Shock NCLEX Questions-complex care

Which finding indicates that rehydration is complete and hypovolemic shock has been successfully treated in a patient? 1. CVP = 8 mm Hg 2. MAP = 45 mm Hg 3. Urinary output of 0.1 mL/kg/hr 4. Hct = 54%

Correct Answer: 1 Rationale 1: A CVP reading of 8 mm Hg is within normal range and rehydration has been restored. Rationale 2: The mean arterial pressure (MAP) should be between 60 to 70 mm Hg as evidence of positive fluid resuscitation efforts. Rationale 3: Urinary output to reflect adequate rehydration begins at 0.5 to 1 mL/kg/hr. Therefore, 0.1 mL is too small and renal insufficiency may be present due to inadequate circulating blood volume. Rationale 4: Hematocrit (Hct) is the percentage of the number of RBCs per fluid volume. The normal range is 35% to 45% for an adult. The higher percentage represents a decreased fluid-to-cell ratio, which implies a fluid deficit and rehydration is not complete. An Hct of 54% is critical and increases the risk of clots, strokes, and other vessel obstruction from potential hemolysis and sluggishness of cellular movements.

A patient is being treated for pericarditis. The nurse will plan interventions to prevent the onset of which type of shock? 1. Obstructive 2. Hypovolemic 3. Distributive 4. Cardiogenic

Correct Answer: 1 Rationale 1: Acute pericarditis and the development of fluid accumulation in the pericardial space can lead to the development of obstructive shock. Rationale 2: Pericarditis is not a risk factor for the development of hypovolemic shock. Rationale 3: Pericarditis is not a risk factor for the development of distributive shock. Rationale 4: Pericarditis is not a risk factor for the development of cardiogenic shock.

Which assessment finding indicates that an infusion of intravenous epinephrine 4 mcg/min is effective in the treatment of a patient with anaphylactic shock? 1. Reduced wheezing 2. Heart rate 55 and regular 3. Blood pressure 98/50 mm Hg 4. Respiratory rate 28

Correct Answer: 1 Rationale 1: An expected action for epinephrine is bronchodilation as evidenced by less wheezing. Rationale 2: Epinephrine increases heart rate. Rationale 3: Epinephrine increases blood pressure. Rationale 4: Epinephrine lowers the respiratory rate. This respiratory rate indicates that epinephrine has not been effective.

A patient is diagnosed with cardiac tamponade. When planning care, the nurse will include interventions to address which type of shock? 1. Obstructive 2. Hypovolemic 3. Distributive 4. Cardiogenic

Correct Answer: 1 Rationale 1: Cardiac tamponade can lead to obstructive shock. Rationale 2: Cardiac tamponade will not lead to hypovolemic shock. Rationale 3: Cardiac tamponade will not lead to distributive shock. Rationale 4: Cardiac tamponade will not lead to cardiogenic shock.

A patient is demonstrating signs of obstructive shock but the cause has yet to be determined. Which finding indicates the patient is experiencing a pulmonary embolism as the cause for obstructive shock? 1. Chest pain 2. Hypotension 3. Tachycardia 4. Oliguria

Correct Answer: 1 Rationale 1: Chest pain is a symptom associated with a massive pulmonary embolus. Rationale 2: Hypotension is seen in other causes of obstructive shock and is not a symptom that differentiates the cause as being from a pulmonary embolus. Rationale 3: Tachycardia is seen in other causes of obstructive shock and is not a symptom that differentiates the cause as being from a pulmonary embolus. Rationale 4: Oliguria is seen in other causes of obstructive shock and is not a symptom that differentiates the cause as being from a pulmonary embolus.

A patient is experiencing an anaphylactic reaction to a medication. The nurse is concerned that the patient will develop distributive shock because: 1. The release of histamine causes vasodilation with plasma leakage. 2. Sympathetic innervation is interrupted. 3. Microorganisms overwhelm the vascular system. 4. Parasympathetic innervation functions are unopposed.

Correct Answer: 1 Rationale 1: In an anaphylactic reaction leading to distributive shock, the release of histamine causes vasodilation with plasma leakage. Vasodilation leads to profound hypotension, hypovolemia from fluid extravasation, reduced reload, and reduced cardiac output. Rationale 2: Sympathetic innervation is not interrupted in an anaphylactic reaction. Rationale 3: Microorganisms do not overwhelm the vascular system in an anaphylactic reaction. Rationale 4: Parasympathetic innervation functioning unopposed is not a characteristic of an anaphylactic reaction.

A patient with cardiomyopathy is demonstrating signs of cardiogenic shock. The nurse realizes that this type of shock is due to: 1. Reduced cardiac output 2. Increased stroke volume 3. Reduced blood volume 4. Blood flow blocked in the pulmonary circulation

Correct Answer: 1 Rationale 1: In cardiogenic shock, cardiac output is reduced, leading to poor tissue perfusion. Rationale 2: In cardiogenic shock, stroke volume is decreased. Rationale 3: There is not a reduction of blood volume in cardiogenic shock. Rationale 4: There is not a blockage of blood flow through the pulmonary circulation in cardiogenic shock.

A patient is brought to the emergency department with hypotension, tachycardia, reduced capillary refill, and oliguria. During the assessment, the nurse determines the patient is experiencing cardiogenic shock because of which additional finding? 1. Jugular vein distention 2. Dry mucous membranes 3. Poor skin turgor 4. Thirst

Correct Answer: 1 Rationale 1: Jugular vein distention is a manifestation of cardiogenic shock. Rationale 2: The mucous membranes are not dry in cardiogenic shock. Rationale 3: The skin turgor is not poor in cardiogenic shock. Rationale 4: Thirst is not a manifestation of cardiogenic shock.

The nurse, caring for a patient recovering from an acute myocardial infarction, is planning interventions to reduce the risk of which type of shock? 1. Cardiogenic 2. Hypovolemic 3. Distributive 4. Obstructive

Correct Answer: 1 Rationale 1: One etiology of cardiogenic shock is a myocardial infarction. Rationale 2: Acute myocardial infarction does not cause hypovolemic shock. Rationale 3: Acute myocardial infarction does not cause distributive shock. Rationale 4: Acute myocardial infarction does not cause obstructive shock.

A patient is prescribed vasopressin 0.03 units/minute as treatment for septic shock. What action will the nurse take when providing this medication? 1. Provide the vasopressin infusion in addition to a norepinephrine infusion. 2. Infuse through a peripheral line. 3. Utilize a rapid infuser. 4. Administer with 0.9% normal saline.

Correct Answer: 1 Rationale 1: The dose of 0.03 units/min is usually added to a norepinephrine infusion. Rationale 2: This medication should always be administered via an infusion pump. Rationale 3: A rapid infuser is used to deliver large amounts of warmed crystalloid or blood to a patient over a short period of time. It is not used for medication administration. Rationale 4: This medication does not need to be administered with 0.9% normal saline.

A patient is receiving phenylephrine 50 mcg/min as treatment for shock. Which assessment finding indicates this medication is effective? 1. Blood pressure 110/68 mm Hg 2. Heart rate 110 3. Respiratory rate 12 and regular 4. Decreased peripheral pulses

Correct Answer: 1 Rationale 1: The expected effect of this medication is an increase in blood pressure. Rationale 2: Phenylephrine does not increase the heart rate. Rationale 3: Phenylephrine does not affect the respiratory rate. Rationale 4: Decreased peripheral pulses is a side/toxic effect of this medication.

The nurse is concerned that a patient is at risk for developing obstructive shock because of which assessment findings? Note: Credit will be given only if all correct choices and no incorrect choices are selected. Standard Text: Select all that apply. 1. Age 80 2. History of atrial fibrillation 3. Bacteremia 4. T3 spinal cord injury 5. Latex allergy

Correct Answer: 1,2 Rationale 1: Advanced age increases the risk for development of pulmonary emboli, which is one cause of obstructive shock. Rationale 2: Atrial fibrillation increases the risk for developing pulmonary emboli, which is one cause of obstructive shock. Rationale 3: Bacteremia increases a patient's risk of developing septic shock and not obstructive shock. Rationale 4: A spinal cord injury increases the risk for developing distributive shock and not obstructive shock. Rationale 5: A latex allergy increases the risk for developing distributive shock and not obstructive shock.

A patient is receiving norepinephrine 30 mcg/min for treatment of refractory shock. Which assessment findings suggest the patient is experiencing peripheral vasoconstriction from the medication? Note: Credit will be given only if all correct choices and no incorrect choices are selected. Standard Text: Select all that apply. 1. Decreased peripheral pulses 2. Drop in body temperature 3. Onset of paresthesias 4. Drop in blood pressure 5. Increased cardiac output

Correct Answer: 1,2,3 Rationale 1: At high doses of norepinephrine, decreased peripheral pulses indicates significant vasoconstriction. Rationale 2: At high doses of norepinephrine, a drop in body temperature indicates significant vasoconstriction. Rationale 3: At high doses of norepinephrine, paresthesias indicate significant vasoconstriction. Rationale 4: This medication does not cause a drop in blood pressure. Rationale 5: An increase in cardiac output is an expected effect of this medication and does not indicate significant vasoconstriction.

A patient is experiencing acute respiratory distress after eating an item of a known food allergy. What interventions will the nurse implement when providing emergency care to this patient? Note: Credit will be given only if all correct choices and no incorrect choices are selected. Standard Text: Select all that apply. 1. Administer epinephrine 1:1000 intramuscularly. 2. Apply oxygen via face mask as prescribed. 3. Provide diphenhydramine 25 mg intravenous. 4. Administer vasopressin. 5. Prepare to administer antithrombolytic agents as prescribed.

Correct Answer: 1,2,3 Rationale 1: Epinephrine produces bronchodilation, improving the respiratory status. The route of administration is initially intramuscular. Rationale 2: Supplemental oxygen is used in the treatment of anaphylactic shock. Rationale 3: Hydrogen ion blockers such as diphenhydramine may be administered to block the histamine effects. Rationale 4: Vasopressin is not used in the treatment of anaphylactic shock. Rationale 5: Antithrombolytic agents are not used in the treatment of anaphylactic shock.

During an assessment the nurse is concerned that a patient is developing cardiogenic shock. What did the nurse assess in this patient? Note: Credit will be given only if all correct choices and no incorrect choices are selected. Standard Text: Select all that apply. 1. Systolic blood pressure 82 mm Hg 2. Capillary refill 10 seconds 3. Crackles bilateral lung bases 4. Heart rate 55 and regular 5. Warm dry skin

Correct Answer: 1,2,3 Rationale 1: Hypotension is a manifestation of cardiogenic shock. Rationale 2: Delayed capillary refill is a manifestation of cardiogenic shock. Rationale 3: Crackles are a manifestation of cardiogenic shock. Rationale 4: Bradycardia is not a manifestation of cardiogenic shock. Rationale 5: Warm dry skin is not a manifestation of cardiogenic shock.

The nurse is caring for a patient recovering from a spinal cord injury sustained during a motor vehicle crash. What assessment findings indicate that the patient is developing neurogenic shock? Note: Credit will be given only if all correct choices and no incorrect choices are selected. Standard Text: Select all that apply. 1. Hypotension 2. Bradycardia 3. Warm dry skin 4. Abdominal cramps 5. Palpitations

Correct Answer: 1,2,3 Rationale 1: Hypotension is a manifestation of neurogenic shock because of the loss of autonomic reflexes. Rationale 2: Bradycardia occurs because of the loss of sympathetic innervation. Rationale 3: Warm dry skin occurs because of a loss of cutaneous control of sweat glands. Rationale 4: Abdominal cramping is not a manifestation of neurogenic shock. Rationale 5: Palpitations are not seen in neurogenic shock.

A patient, experiencing vasodilation, is diagnosed with distributive shock. The nurse will assess the patient for which etiologies? Note: Credit will be given only if all correct choices and no incorrect choices are selected. Standard Text: Select all that apply. 1. Sepsis 2. Spinal cord injury 3. Anaphylaxis 4. Hemorrhage 5. Pulmonary embolism

Correct Answer: 1,2,3 Rationale 1: One etiology of distributive shock is sepsis. Rationale 2: One etiology of distributive shock is spinal cord injury. Rationale 3: One etiology of distributive shock is anaphylaxis. Rationale 4: Hemorrhage is not an etiology of distributive shock. Rationale 5: Pulmonary embolism is not an etiology of distributive shock.

A patient being treated for cardiogenic shock is being hemodynamically monitored. Which findings are consistent with the patient's diagnosis? Note: Credit will be given only if all correct choices and no incorrect choices are selected. Standard Text: Select all that apply. 1. Elevated pulmonary arterial wedge pressure 2. Elevated central venous pressure 3. Elevated systemic vascular resistance index 4. Elevated mean arterial pressure 5. Elevated stroke volume

Correct Answer: 1,2,3 Rationale 1: This finding is consistent with pulmonary vascular congestion. Rationale 2: This finding is consistent with fluid volume overload. Rationale 3: This finding is consistent with pulmonary vascular congestion. Rationale 4: This finding is not consistent with cardiogenic shock. Rationale 5: This finding is not consistent with cardiogenic shock.

A patient is brought to the emergency department with manifestations of anaphylactic shock. What will the nurse assess as possible causes for this disorder? Note: Credit will be given only if all correct choices and no incorrect choices are selected. Standard Text: Select all that apply. 1. Recent bee sting 2. Ingestion of drugs 3. History of latex allergy 4. Recent diagnostic imaging tests 5. Recent myocardial infarction

Correct Answer: 1,2,3,4 Rationale 1: Venoms such as bee stings can trigger anaphylactic shock. Rationale 2: Drugs can trigger anaphylactic shock. Rationale 3: Latex can trigger anaphylactic shock. Rationale 4: Contrast media for diagnostic tests can trigger anaphylactic shock. Rationale 5: Myocardial infarction is not a trigger for anaphylactic shock.

The nurse is explaining the mechanism of a pulmonary embolism to the family of a patient diagnosed with the disorder. Place in order the steps the nurse will use to instruct the family about this disease process. Standard Text: Click and drag the options below to move them up or down. Choice 1. Blood clot causes backup of blood in the right ventricle. Choice 2. Blood clot blocks blood to the left ventricle. Choice 3. Left ventricle does not get enough blood to pump through the body. Choice 4. Amount of blood the heart has to pump to the body drops. Choice 5. Blood pressure drops. Choice 6. Amount of blood going to the body drops.

Correct Answer: 1,2,3,4,5,6 Rationale 1: The obstruction caused by the pulmonary embolism increases the afterload of the right ventricle, causing right ventricular failure. Rationale 2: The embolus prevents adequate blood flow from the pulmonary circulation to the left ventricle. Rationale 3: Because blood flow from the pulmonary circulation is blocked, left ventricular preload drops. Rationale 4: Because left ventricular preload is decreased, there is not enough blood in the heart to pump, causing decreased cardiac output. Rationale 5: A lack of blood circulating will lead to hypotension. Rationale 6: When the blood is backed up and is not being pumped into the general circulation, tissue perfusion is reduced.

The nurse is preparing medications for a patient being treated for cardiogenic shock. Which medications will the nurse most likely provide to this patient? Note: Credit will be given only if all correct choices and no incorrect choices are selected. Standard Text: Select all that apply. 1. Dopamine 2. Norepinephrine 3. Dobutamine 4. Epinephrine 5. Phenylephrine

Correct Answer: 1,2,3,5 Rationale 1: Dopamine is commonly used in the treatment of cardiogenic shock. Rationale 2: Norepinephrine is commonly used in the treatment of cardiogenic shock. Rationale 3: Dobutamine may be used in the patient with cardiogenic shock who has an adequate blood pressure. Rationale 4: Epinephrine is not used in the treatment of cardiogenic shock. Rationale 5: Phenylephrine is a vasopressor and may be used in the patient with cardiogenic shock who is receiving dobutamine.

Which finding indicates that a patient is experiencing increased peripheral resistance and vasoconstriction? 1. Strong bounding pulse with deep red coloring 2. Pale, cool extremities with decreased pulses 3. Increased venous engorgement with strong pulses 4. Faster than normal capillary refill time

Correct Answer: 2 Rationale 1: An increased blood supply would increase color and bounding pulses as seen with vasodilation (blood engorgement) and is not present with increased peripheral resistance and vasoconstriction. Rationale 2: Increased peripheral resistance causes the blood supply to decrease and results in decreased blood to the tissues, which causes pallor and decreased skin temperatures. The pulses would decrease in intensity with a decreased blood supply. Rationale 3: Venous engorgement would not result from vasoconstriction of the arteries. Strong pulses would not be present with vasoconstriction from increased peripheral resistance. Rationale 4: Capillary refill times are delayed or slowed due to decreased blood flow through the vessels caused by the vasoconstriction from increased peripheral resistance.

The nurse should warm intravenous fluids when a rapid infuser is being utilized to prevent which complication? 1. Hemorrhagic shock 2. Hypothermia 3. Sepsis 4. Cardiogenic shock

Correct Answer: 2 Rationale 1: Hemorrhagic shock is caused by a loss of cells or blood volume and is not a result of infusing fluids too quickly. Rationale 2: Hypothermia can result when providing room temperature fluids at a faster pace than the body can warm them. Rationale 3: Bacterial contamination can be avoided by sterile technique, and sepsis is not caused by the rate or temperature of the fluid being administered. Rationale 4: Cardiogenic shock results from poor ventricular functioning, not from the temperature of the intravenous fluids being administered too rapidly.

A patient is demonstrating pulmonary edema, hypotension, and delayed capillary refill. The nurse suspects the patient is experiencing which type of shock? 1. Hypovolemic 2. Cardiogenic 3. Anaphylactic 4. Obstructive

Correct Answer: 2 Rationale 1: Pulmonary edema would not be present in hypovolemic shock. Rationale 2: In cardiogenic shock, there is a low cardiac output, hypotension, and pulmonary edema. Rationale 3: Pulmonary edema would not be present in anaphylactic shock. Rationale 4: Pulmonary edema would not be present in obstructive shock

Which laboratory finding should cause the nurse to suspect that a patient is developing hypovolemic shock? 1. Serum sodium of 130 mEq/L (130 mmol/L) 2. Metabolic acidosis validated by arterial blood gases 3. Serum lactate of 3 mmol/L 4. SvO2 greater than 80%

Correct Answer: 2 Rationale 1: The sodium level in hypovolemic shock is elevated above the normal values of 135 to 145 mEq/L, not reduced. Rationale 2: Metabolic acidosis is present due to an accumulation of carbonic acid, leaving a bicarbonate deficit from decreased tissue perfusion. Rationale 3: Serum lactate is greater than 4 mmol/L as a result of tissue ischemia, hypoxia, and breakdown from decreased blood flow with hypovolemic shock. Rationale 4: SvO2 (mixed venous oxygen saturation) would be less than 60% due to decreased circulating blood volume or decrease in cells to carry the oxygen. Therefore, O2 is carried less efficiently and decreased, not increased.

Which solution would be the most appropriate initial volume replacement for a patient with severe GI bleeding? 1. 200 mL of normal saline (NS) per hour for 5 hours 2. A liter of Ringer's lactate (RL) over 15 minutes 3. Two liters of D5W over half an hour 4. 500 mL of 0.45% normal saline (1/2 NS) over half an hour

Correct Answer: 2 Rationale 1: This is not an adequate amount of fluid replacement. Rationale 2: The patient requires immediate infusion of an adequate amount of fluid. Fluid resuscitation begins with 500 to 1,000 mL of an isotonic solution. Rationale 3: This is a hypotonic solution and would not help with fluid resuscitation. Rationale 4: This is a hypotonic solution and would not help with fluid resuscitation.

Which life-threatening complications would the nurse anticipate developing in the patient being treated for hypovolemic shock? Note: Credit will be given only if all correct choices and no incorrect choices are selected. Standard Text: Select all that apply. 1. Fluid volume overload 2. Renal insufficiency 3. Cerebral ischemia 4. Gastric stress ulcer 5. Pulmonary edema

Correct Answer: 2,3 Rationale 1: Fluid volume overload is not an identified complication of hypovolemic shock. Rationale 2: Renal insufficiency is a serious complication because of the prerenal etiology of hypovolemia. Rationale 3: Early identification and correction of the fluid volume deficit in hypovolemic shock is necessary to prevent cerebral ischemia. Rationale 4: Although physiologic stress can increase the risk for the development of stress ulcers, it is not considered one of the common or life-threatening complications of hypovolemic shock. Rationale 5: Pulmonary edema is not an identified complication of hypovolemic shock.

What will the nurse identify as symptoms of hypovolemic shock in a patient? Note: Credit will be given only if all correct choices and no incorrect choices are selected. Standard Text: Select all that apply. 1. Temperature of 97.6°F (36.4°C) 2. Restlessness 3. Decrease in blood pressure of 20 mm Hg when the patient sits up 4. Capillary refill time greater than 3 seconds 5. Sinus bradycardia of 55 beats per minute

Correct Answer: 2,3,4 Rationale 1: Fever will increase oxygen demands but is unrelated to hypovolemic shock unless prolonged fever has caused severe dehydration, reducing the circulating blood volume. Hypovolemic shock reduces temperatures by peripheral shunting of blood away from the extremities and reducing the core metabolic rate. Rationale 2: Due to decreased blood flow to the brain and peripheral areas when blood is shunted to maintain the vital organs, cerebral hypoxia occurs, leading to a change in mental status. Rationale 3: Orthostatic hypotension is a manifestation of hypovolemic shock. Rationale 4: Due to decreased blood flow to the brain and peripheral areas when blood is shunted to maintain the vital organs, capillary refill time will be reduced. Rationale 5: Bradycardia is not present. The compensatory response is to increase the heart rate to circulate the blood faster to make up for the fluids that are not present in hypovolemic shock.

The nurse recognizes that which patient would be most likely to develop hypovolemic shock? A patient with: 1. Decreased cardiac output 2. Severe constipation, causing watery diarrhea 3. Ascites 4. Syndrome of inappropriate ADH (SIADH)

Correct Answer: 3 Rationale 1: Although ECG changes reflect the effectiveness of the heart's pumping when circulating the blood, it is not a risk factor for hypovolemic shock, which reflects a decreased circulating volume from either blood or fluid losses within the intravascular system. Rationale 2: Severe constipation does not affect the circulating blood volume. Rationale 3: Third spacing shifts move the fluids from the intravascular space into the interstitial space, causing a drop in the circulating blood volume. Therefore, third spacing is a risk factor for the development of hypovolemic shock. Rationale 4: Overhydration does not lead to hypovolemic shock. It leads to fluid overload, which might cause cardiogenic shock, congestive heart failure, and pulmonary edema.

The nurse, caring for a patient in hypovolemic shock, will not utilize a hypotonic solution for fluid resuscitation because hypotonic solutions: 1. Move quickly into the interstitial spaces and can cause third spacing 2. Stay longer to expand the intravascular space but deplete intracellular fluid levels 3. Do not stay in the intravascular space long enough to expand the circulating blood volume 4. Need a smaller bore needle to run at a slower rate to keep the intravascular space low

Correct Answer: 3 Rationale 1: Hypotonic solutions do not cause third spacing. Rationale 2: Hypotonic solutions do not stay in the intravascular space long enough to expand the circulating blood volume. Rationale 3: Hypotonic solutions do not stay in the intravascular space long enough to expand the circulating blood volume. Rationale 4: The bore size of the needle does not affect the displacement or shifting of fluids.

A patient with neurogenic shock is demonstrating bradycardia. What action will the nurse take at this time? 1. Limit patient movement. 2. Prepare to administer crystalloids. 3. Administer phenylephrine as prescribed. 4. Administer atropine as prescribed.

Correct Answer: 4 Rationale 1: Limiting movement will not correct bradycardia in the patient with neurogenic shock. Rationale 2: Crystalloids are used to correct vasodilation. Rationale 3: Phenylephrine is used in the patient with neurogenic shock to correct hypotension. Rationale 4: Bradycardia in neurogenic shock is corrected by the administration of atropine at the dose of 0.5 to 1.0 mg intravenous every 5 minutes to a total dose of 3 mg.

A patient weighing 220 lbs is prescribed 10 mcg/kg/min of dopamine to improve cardiac output from cardiogenic shock. How many milligrams of dopamine will the patient receive in an hour?

Correct Answer: 60 Rationale : Determine the patient's weight in kg by dividing 220 lbs by 2.2 or 100 kg. Then multiply the number of mcg of medication the patient is to receive per minute by 100 kg or 10 mcg × 100 kg = 1,000 mcg. This is the dosage the patient will receive in 1 minute. To determine the amount of medication in 1 hour, multiply 1,000 mcg × 60 = 60,000 mcg. Using the conversion 1 mg = 1,000 mcg, divide 60,000 mcg by 1,000 mcg to determine that the patient will receive 60 mg of dopamine in 1 hour.

Nursing assessment of a client receiving serum albumin for treatment of shock should include: a.) Assessing lung sounds. b.) Monitoring glucose. c.) Monitoring the potassium level. d.) Monitoring hemoglobin and hematocrit.

a.) Assessing lung sounds. Rationale: Colloids pull fluid into vascular space. Circulatory overload could occur. The nurse should assess the client for symptoms of heart failure.

A client in shock is prescribed an inotropic drug to act on alpha and beta receptors. The nurse will most likely be administering: a.) Dopamine. b.) Dobutamine. c.) Pavulon. d.) Milrinone.

a.) Dopamine.

A patient is admitted to the emergency department after sustaining abdominal injuries and a broken femur from a motor vehicle accident. The patient is pale, diaphoretic, and is not talking coherently. Vital signs upon admission are temperature 98 F (36 C), heart rate 130 beats/minute, respiratory rate 34 breaths/minute, blood pressure 50/40 mmHg. The healthcare provider suspects which type of shock? a.) Hypovolemic b.) Cardiogenic c.) Neurogenic d.) Distributive

a.) Hypovolemic

Which type of fluid is most appropriate for volume replacement for a patient with non-hemorrhagic hypovolemic shock? a.) Lactated Ringers (LR) b.) 10% Dextrose in Water (D 10 W) c.) One-half Normal Saline (1/2% NS) d.) Packed Red Blood Cells (PRBC)

a.) Lactated Ringers (LR)

The client experiences shock following a spinal cord injury. This type of shock is classified as: a.) Hypovolemic. b.) Neurogenic. c.) Cardiogenic. d.) Anaphylactic.

a.) Neurogenic.

A client has been diagnosed with sepsis. The nurse will most likely find which of the following when assessing this client: Select all that apply: a.) Rapid shallow respirations. b.) Severe hypotension. c.) Mental status changes. d.) Elevated temperature. e.) Lactic acidosis. f.) Oliguria.

a.) Rapid shallow respirations. d.) Elevated temperature.

The client in shock is prescribed an infusion of lactated Ringer's solution. The nurse recognizes that the function of this fluid in the treatment of shock is to: a.) Replace fluid, and promote urine output. b.) Draw water into cells. c.) Draw water from cells to blood vessels. d.) Maintain vascular volume.

a.) Replace fluid, and promote urine output.

A patient in compensated septic shock has hemodynamic monitoring with a pulmonary artery catheter and an arterial catheter. Which information obtained by the nurse indicates that the patient is still in the compensatory stage of shock? a.) The cardiac output is elevated. b.) The central venous pressure (CVP) is increased. c.) The systemic vascular resistance (SVR) is high. d.) The PAWP is high.

a.) The cardiac output is elevated. Rationale: In the early stages of septic shock, the cardiac output is high. The other hemodynamic changes would indicate that the patient had developed progressive or refractory septic shock.

A patient with a myocardial infarction (MI) and cardiogenic shock has the following vital signs: BP 86/50, pulse 126, respirations 30. Hemodynamic monitoring reveals an elevated PAWP and decreased cardiac output. The nurse will anticipate: a.) administration of furosemide (Lasix) IV. b.) titration of an epinephrine (Adrenalin) drip. c.) administration of a normal saline bolus. d.) assisting with endotracheal intubation.

a.) administration of furosemide (Lasix) IV. Rationale: The PAWP indicates that the patient's preload is elevated and furosemide is indicated to reduce the preload and improve cardiac output. Epinephrine would further increase myocardial oxygen demand and might extend the MI. The PAWP is already elevated, so normal saline boluses would be contraindicated. There is no indication that the patient requires endotracheal intubation.

When assessing the hemodynamic information for a newly admitted patient in shock of unknown etiology, the nurse will anticipate administration of large volumes of crystalloids when the a.) cardiac output is increased and the central venous pressure (CVP) is low. b.) pulmonary artery wedge pressure (PAWP) is increased, and the urine output is low. c.) heart rate is decreased, and the systemic vascular resistance is low. d.) cardiac output is decreased and the PAWP is high.

a.) cardiac output is increased and the central venous pressure (CVP) is low. Rationale: A high cardiac output and low CVP suggest septic shock, and massive fluid replacement is indicated. Increased PAWP indicates that the patient has excessive fluid volume (and suggests cardiogenic shock), and diuresis is indicated. Bradycardia and a low systemic vascular resistance (SVR) suggest neurogenic shock, and fluids should be infused cautiously.

The nurse evaluates that fluid resuscitation for a 70 kg patient in shock is effective on finding that the patient's a.) urine output is 40 ml over the last hour. b.) hemoglobin is within normal limits. c.) CVP has decreased. d.) mean arterial pressure (MAP) is 65 mm Hg.

a.) urine output is 40 ml over the last hour. Rationale: Assessment of end-organ perfusion, such as an adequate urine output, is the best indicator that fluid resuscitation has been successful. The hemoglobin level is not useful in determining whether fluid administration has been effective unless the patient is bleeding and receiving blood. A decrease in CVP indicates that more fluid is needed. The MAP is at the low normal range, but does not clearly indicate that tissue perfusion is adequate.

A patient outcome that is appropriate for the patient in shock who has a nursing diagnosis of decreased cardiac output related to relative hypovolemia is a.) urine output of 0.5 ml/kg/hr. b.) decreased peripheral edema. c.) decreased CVP. d.) oxygen saturation 90% or more.

a.) urine output of 0.5 ml/kg/hr. Rationale: A urine output of 0.5 ml/kg/hr indicates adequate renal perfusion, which is a good indicator of cardiac output. The patient may continue to have peripheral edema because fluid infusions may be needed despite third-spacing of fluids in relative hypovolemia. Decreased central venous pressure (CVP) for a patient with relative hypovolemia indicates that additional fluid infusion is necessary. An oxygen saturation of 90% will not necessarily indicate that cardiac output has improved.

An intensive care nurse, is assessing a patient with suspected sepsis. Which predisposing factors would expect to be found in the patient with septic shock? a.) A 45 year old client with a history of renal insufficiency. b.) A client age 65, with a history of cancer who is recovering from an abdominal peritoneal resection. c.) A 27 year old with pyelonephritis responding to treatment with an antibiotic. d.) A 50 year old with community acquired tuberculosis.

b.) A client age 65, with a history of cancer who is recovering from an abdominal peritoneal resection.

A patient who has been involved in a motor-vehicle crash is admitted to the ED with cool, clammy skin, tachycardia, and hypotension. All of these orders are written. Which one will the nurse act on first? a.) Insert two 14-gauge IV catheters. b.) Administer oxygen at 100% per non-rebreather mask. c.) Place the patient on continuous cardiac monitor. d.) Draw blood to type and crossmatch for transfusions.

b.) Administer oxygen at 100% per non-rebreather mask. Rationale: The first priority in the initial management of shock is maintenance of the airway and ventilation. Cardiac monitoring, insertion of IV catheters, and obtaining blood for transfusions should also be rapidly accomplished, but only after actions to maximize oxygen delivery have been implemented.

The acute care nurse is planning an inservice to present evidence based practices to address the increasing incidence in ventilator associated pneumonia. Interventions included in this protocol include: a.) Avoid the use of agents that increase the pH of the stomach as these blocks their antibacterial properties. b.) Maintaining the head of the bed at 30 degrees and strict hand washing before and after any patient contact. c.) Changing the ventilator circuit at least every 24 hours. d.) Provide routine oral care with a combination of alcohol based products.

b.) Maintaining the head of the bed at 30 degrees and strict hand washing before and after any patient contact.

Dobutamine (Dobutrex) is used to treat a client experiencing cardiogenic shock. Nursing intervention includes: a.) Monitoring for fluid overload. b.) Monitoring for cardiac dysrhythmias. c.) Monitoring respiratory status. d.) Monitoring for hypotension.

b.) Monitoring for cardiac dysrhythmias. Rationale: Dobutamine is beneficial in cases where shock is caused by heart failure. The drug increases contractility, and has the potential to cause dysrhythmias.

A patient who is receiving chemotherapy is admitted to the hospital with acute dehydration caused by nausea and vomiting. Which action will the nurse include in the plan of care to best prevent the development of shock, systemic inflammatory response syndrome (SIRS), and multiorgan dysfunction syndrome (MODS)? a.) Administer all medications through the patient's indwelling central line. b.) Place the patient in a private room. c.) Restrict the patient to foods that have been well-cooked or processed. d.) Insert a nasogastric (NG) tube for enteral feeding.

b.) Place the patient in a private room. Rationale: The patient who has received chemotherapy is immune compromised, and placing the patient in a private room will decrease the exposure to other patients and reduce infection/sepsis risk. Administration of medications through the central line increases the risk for infection and sepsis. There is no indication that the patient is neutropenic, and restricting the patient to cooked and processed foods is likely to decrease oral intake further and cause further malnutrition, a risk factor for sepsis and shock. Insertion of an NG tube is invasive and will not decrease the patient's nausea and vomiting.

To monitor a patient with severe acute pancreatitis for the early organ damage associated with MODS, the most important assessments for the nurse to make are a.) stool guaiac and bowel sounds. b.) lung sounds and oxygenation status. c.) serum creatinine and urinary output. d.) serum bilirubin levels and skin color.

b.) lung sounds and oxygenation status. Rationale: The respiratory system is usually the FIRST system to show the signs of MODS because of the direct effect of inflammatory mediators on the pulmonary system. The other assessment data are also important to collect, but they will not indicate the development of MODS as early.

A patient is treated in the emergency department (ED) for shock of unknown etiology. The first action by the nurse should be to a.) check the blood pressure. b.) obtain an oxygen saturation. c.) attach a cardiac monitor. d.) check level of consciousness.

b.) obtain an oxygen saturation. Rationale: The initial actions of the nurse are focused on the ABCs, and assessing the airway and ventilation is necessary. The other assessments should be accomplished as rapidly as possible after the oxygen saturation is determined and addressed.

The nurse caring for a patient in shock notifies the health care provider of the patient's deteriorating status when the patient's ABG results include: a.) pH 7.48, PaCO2 33 mm Hg. b.) pH 7.33, PaCO2 30 mm Hg. c.) pH 7.41, PaCO2 50 mm Hg. d.) pH 7.38, PaCO2 45 mm Hg.

b.) pH 7.33, PaCO2 30 mm Hg. Rationale: The patient's low pH in spite of a respiratory alkalosis indicates that the patient has severe metabolic acidosis and is experiencing the progressive stage of shock; rapid changes in therapy are needed. The values in the answer beginning "pH 7.48" suggest a mild respiratory alkalosis (consistent with compensated shock). The values in the answer beginning "pH 7.41" suggest compensated respiratory acidosis. The values in the answer beginning "pH 7.38" are normal.

While caring for a seriously ill patient, the nurse determines that the patient may be in the compensatory stage of shock on finding a.) cold, mottled extremities. b.) restlessness and apprehension. c.) a heart rate of 120 and cool, clammy skin. d.) systolic BP less than 90 mm Hg.

b.) restlessness and apprehension. Rationale: Restlessness and apprehension are typical during the compensatory stage of shock. Cold, mottled extremities, cool and clammy skin, and a systolic BP less than 90 are associated with the progressive and refractory stages.

The triage nurse receives a call from a community member who is driving an unconscious friend with multiple injuries after a motorcycle accident to the hospital. The caller states that they will be arriving in 1 minute. In preparation for the patient's arrival, the nurse will obtain a.) a liter of lactated Ringer's solution. b.) 500 ml of 5% albumin. c. ) two 14-gauge IV catheters. d.) a retention catheter.

c. ) two 14-gauge IV catheters. Rationale: A patient with multiple trauma may require fluid resuscitation to prevent or treat hypovolemic shock, so the nurse will anticipate the need for 2 large bore IV lines to administer normal saline. Lactated Ringer's solution should be used cautiously and will not be ordered until the patient had been assessed for possible liver abnormalities. Although colloids may sometimes be used for volume expansion, it is generally accepted that crystalloids should be used as the initial therapy for fluid resuscitation. A catheter would likely be ordered, but in the 1 minute that the nurse has to obtain supplies, the IV catheters would take priority.

A client is progressing into the third stage of shock. The nurse will expect this client to demonstrate: Choose all that apply: a.) Intractable circulatory failure. b.) Neuroendocrine responses. c.) Demonstrating MODS. d.) Buildup of metabolic wastes. e.) Profound hypotension. f.) Increase in lactic acidosis.

c.) Demonstrating MODS. d.) Buildup of metabolic wastes.

A 4.5 kg infant is admitted to the pediatric intensive care unit after 33 days of watery diarrhea. The infant is diagnosed with severe dehydration. The infant's skin is mottled and turgor is poor. Capillary refill is delayed, and there is an absence of tears with crying. Which intervention should be the priority action by the healthcare provider? a.) Calculate the mean arterial pressure b.) Draw blood for a complete blood count c.) Establish vascular access d.) Take a complete set of vital signs

c.) Establish vascular access Rationale: Vascular access should be established quickly in order to replace lost volume before shock progresses.

The healthcare provider is caring for a patient who has septic shock. Which of these should the healthcare provider administer to the patient first? a.) Antibiotics to treat the underlying infection. b.) Corticosteroids to reduce inflammation. c.) IV fluids to increase intravascular volume. d.) Vasopressors to increase blood pressure.

c.) IV fluids to increase intravascular volume. Rationale: Circulation and perfusion are addressed first so IV fluids will be started immediately. After blood cultures are obtained, broad-spectrum antibiotics should be administered without delay. Vasopressors are administered if the patient is not responding to the fluid challenge. Corticosteroids may be considered to address the inflammatory-induced vasodilation and capillary leakage.

When performing a physical assessment of a patient with severe sepsis, what abnormal assessment would the nurse expect to find? a.) A WBC of 8,100 despite the presence of chills. b.) A blood pressure of 100/72 with a capillary refill of <3 seconds. c.) Leucocytosis in a patient with absent bowel sounds. d.) Renal output that fluctuates according to intravenous intake.

c.) Leucocytosis in a patient with absent bowel sounds. Rationale: Leucocytosis in a patient with absent bowel sounds A white count > 12,000/mm3 and a left shift is one of the diagnostic criteria. Absent bowel sounds indicate a possible ileus. This would allow translocation of the intestinal flora into the bloodstream.

A patient who has pericarditis related to radiation therapy, becomes dyspneic, and has a rapid, weak pulse. Heart sounds are muffled, and a 12 mmHg drop in blood pressure is noted on inspiration. The healthcare provider's interventions are aimed at preventing which type of shock? a.) Distributive b.) Neurogenic c.) Obstructive d.) Cardiogenic

c.) Obstructive Rationale: Obstructive shock can be caused by anything that impedes the heart's ability to contract and pump blood around the body, as with cardiac tamponade.

Which of the following assessment findings is an early indication of hypovolemic shock? a.) Diminished bowel sounds b.) Increased urinary output c.) Tachycardia d.) Hypertension

c.) Tachycardia Rationale: Tachycardia is an early symptom as the body compensates for a declining blood pressure the heart rate increases to circulate the blood faster to prevent tissue hypoxia.

Multiple organ dysfunction syndrome (MODS) develops in severe sepsis as a result of systemic inflammatory response syndrome (SIRS), disseminated intravascular coagulation and damage to the endothelium. Which of the following statements best describes the management of MODS? a.) The use of proton pump inhibitors and H2 agents to increase the pH of the stomach inhibit the development of stress ulcers, an ileus and malabsorption issues. b.) Maintaining ventilator settings that ensure a tidal volume of at least 6 mL/kg of body weight will keep the lungs from being injured by endothelial damage. c.) There is no specific therapies for MODS other than supportive care and the early recognition of dysfunctional organ(s). d.) Much of the organ damage that occurs with MODS in the setting of severe sepsis is associated with pre-existing conditions.

c.) There is no specific therapies for MODS other than supportive care and the early recognition of dysfunctional organ(s).

Sepsis is the most common cause of disseminated intravascular coagulation (DIC). All of the following statements concerning this life threatening complications are true except: a.) The rapidity of onset is determined by the intensity of the trigger and is related to the condition of the patient's liver, bone marrow and endothelium. b.) In the early phase, the patient may demonstrate manifestations of thrombosis and microemboli. c.) Though a coagulopathy is present, excessive blood loss rarely results in hemorrhagic shock. d.) The most critical intervention for DIC is the early identification and treatment of the underlying disorder.

c.) Though a coagulopathy is present, excessive blood loss rarely results in hemorrhagic shock.

When caring for a patient who has just been admitted with septic shock, which of these assessment data will be of greatest concern to the nurse? a.) BP 88/56 mm Hg b.) Apical pulse 110 beats/min c.) Urine output 15 ml for 2 hours d.) Arterial oxygen saturation 90%

c.) Urine output 15 ml for 2 hours Rationale: The best data for assessing the adequacy of cardiac output are those that provide information about end-organ perfusion such as urine output by the kidneys. The low urine output is an indicator that renal tissue perfusion is inadequate and the patient is in the progressive stage of shock. The low BP, increase in pulse, and low-normal O2 saturation are more typical of compensated septic shock.

A patient with massive trauma and possible spinal cord injury is admitted to the ED. The nurse suspects that the patient may be experiencing neurogenic shock in addition to hypovolemic shock, based on the finding of a.) cool, clammy skin. b.) shortness of breath. c.) heart rate of 48 beats/min d.) BP of 82/40 mm Hg.

c.) heart rate of 48 beats/min Rationale: The normal sympathetic response to shock/hypotension is an increase in heart rate. The presence of bradycardia suggests unopposed parasympathetic function, as occurs in neurogenic shock. The other symptoms are consistent with hypovolemic shock.

A patient in septic shock has not responded to fluid resuscitation, as evidenced by a decreasing BP and cardiac output. The nurse anticipates the administration of a.) nitroglycerine (Tridil). b.) dobutamine (Dobutrex). c.) norepinephrine (Levophed). d.) sodium nitroprusside (Nipride).

c.) norepinephrine (Levophed). Rationale: When fluid resuscitation is unsuccessful, administration of vasopressor drugs is used to increase the systemic vascular resistance (SVR) and improve tissue perfusion. Nitroglycerin would decrease the preload and further drop cardiac output and BP. Dobutamine will increase stroke volume, but it would also further decrease SVR. Nitroprusside is an arterial vasodilator and would further decrease SVR.

A patient with hypovolemic shock has a urinary output of 15 ml/hr. The nurse understands that the compensatory physiologic mechanism that leads to altered urinary output is a.) activation of the sympathetic nervous system (SNS), causing vasodilation of the renal arteries. b.) stimulation of cardiac -adrenergic receptors, leading to increased cardiac output. c.) release of aldosterone and antidiuretic hormone (ADH), which cause sodium and water retention. d.) movement of interstitial fluid to the intravascular space, increasing renal blood flow.

c.) release of aldosterone and antidiuretic hormone (ADH), which cause sodium and water retention. Rationale: The release of aldosterone and ADH lead to the decrease in urine output by increasing the reabsorption of sodium and water in the renal tubules. SNS stimulation leads to renal artery vasoconstriction. -Receptor stimulation does increase cardiac output, but this would improve urine output. During shock, fluid leaks from the intravascular space into the interstitial space.

When compensatory mechanisms for hypovolemic shock are activated, the nurse would expect which two patient findings to normalize? a.) Intensity of peripheral pulses and body temperature. b.) Peripheral pulses and heart rate (HR). c.) Metabolic alkalosis and oxygen saturation. d.) Cardiac output (CO) and blood pressure (BP).

d.) Cardiac output (CO) and blood pressure (BP).

The healthcare provider is caring for a patient with a diagnosis of hemorrhagic pancreatitis. The patient's central venous pressure (CVP) reading is 2, blood pressure is 90/50 mmHg, lung sounds are clear, and jugular veins are flat. Which of these actions is most appropriate for the nurse to take? a.) Slow the IV infusion rate b.) Administer dopamine c.) No interventions are needed at this time d.) Increase the IV infusion rate

d.) Increase the IV infusion rate

The nurse is caring for a patient admitted with a urinary tract infection and sepsis. Which information obtained in the assessment indicates a need for a change in therapy? a.) The patient is restless and anxious. b.) The patient has a heart rate of 134. c.) The patient has hypotonic bowel sounds. d.) The patient has a temperature of 94.1° F.

d.) The patient has a temperature of 94.1° F. Rationale: Hypothermia is an indication that the patient is in the progressive stage of shock. The other data are consistent with compensated shock.