Fluid & Electrolyte Imbalance Practice Questions

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When caring for a client who has risk factors for fluid and electrolyte imbalances, which assessment finding is the highest priority for the nurse to follow up? Irregular heart rate Weight loss of 4 lb Mild confusion Blood pressure 96/53 mm Hg

Irregular heart rate

A nurse is monitoring a client being evaluated who has a potassium level of 7 mEq/L (mmol/L). Which electrocardiogram changes will the client display? prolonged T waves elevated ST segment peaked T waves shortened PR interval

peaked T waves

Hypokalemia can cause which symptom to occur? Excessive thirst Increased release of insulin Production of concentrated urine Decreased sensitivity to digitalis

Excessive thirst

A client diagnosed with hypernatremia needs fluid volume replacement. What intravenous solution would be the safest for the nurse to administer? 0.45% sodium chloride 0.9% sodium chloride 5% dextrose in water 5% dextrose in normal saline solution

0.45% sodium chloride

A 54-year-old male patient is admitted to the hospital with a case of severe dehydration. The nurse reviews the patient's laboratory results. Which of the following results are consistent with the diagnosis? Select all that apply. Blood urea nitrogen (BUN) of 23 mg/dL Serum osmolality of 310 mOsm/kg Serum sodium of 148 mEq/L Serum glucose of 90 mg/dL Urine specific gravity of 1.03 Hematocrit level of 48%

Blood urea nitrogen (BUN) of 23 mg/dL Serum osmolality of 310 mOsm/kg Serum sodium of 148 mEq/L Urine specific gravity of 1.03

A patient's serum sodium concentration is within the normal range. What should the nurse estimate the serum osmolality to be? <136 mOsm/kg 275-300 mOsm/kg >408 mOsm/kg 350-544 mOsm/kg

275-300 mOsm/kg

Which of the following measurable urine outputs indicates the client is maintaining adequate fluid intake and balance? A patient with a minimal urine output of 50 mL/hour A patient with a minimal urine output of 10 mL/hour A patient with a minimal urine output of 30 mL/hour A patient with a minimal urine output of 20 mL/hour

A patient with a minimal urine output of 30 mL/hour

Which of the following is a clinical manifestation of fluid volume excess (FVE)? Select all that apply. Distended neck veins Crackles in the lung fields Shortness of breath Decreased blood pressure Bradycardia

Distended neck veins Crackles in the lung fields Shortness of breath

A nurse is caring for an adult client with numerous draining wounds from gunshots. The client's pulse rate has increased from 100 to 130 beats per minute over the last hour. The nurse should further assess the client for which of the following? Extracellular fluid volume deficit Altered blood urea nitrogen (BUN) value Metabolic alkalosis Respiratory acidosis

Extracellular fluid volume deficit

The nurse is called to a client's room by a family member who voices concern about the client's status. On assessment, the nurse finds the client tachypneic, lethargic, weak, and exhibiting a diminished cognitive ability. The nurse also identifies 3+ pitting edema. What electrolyte imbalance is the most plausible cause of this client's signs and symptoms? Hypocalcemia Hyponatremia Hyperchloremia Hypophosphatemia

Hyperchloremia

The nurse is assigned to care for a client with a serum phosphorus concentration of 5.0 mg/dL (1.61 mmol/L). The nurse anticipates that the client will also experience which electrolyte imbalance? Hypocalcemia Hyperchloremia Hypermagnesemia Hyponatremia

Hypocalcemia

The nurse is caring for a client who has been admitted with a possible clotting disorder. The client is complaining of excessive bleeding and bruising without cause. The nurse knows to take extra care to check for signs of bruising or bleeding in what condition? Dehydration Hypokalemia Hypocalcemia Hypomagnesemia

Hypocalcemia

A patient has a serum osmolality of 250 mOsm/kg. The nurse knows to assess further for: Dehydration. Hyperglycemia. Hyponatremia. Acidosis.

Hyponatremia

The nurse is conducting a lecture on the difference between hypovolemia and dehydration. When completing a verbal comparison, which point needs clarified? Similar causes are present in both conditions. Hypovolemia contains only low blood volume. In dehydration, only extracellular is depleted. Both conditions result in abnormal laboratory studies.

In dehydration, only extracellular is depleted.

The nurse is evaluating a newly admitted client's laboratory results, which include several values that are outside of reference ranges. Which of the following alterations would cause the release of antidiuretic hormone (ADH)? Increased serum sodium Decreased serum potassium Decreased hemoglobin Increased platelets

Increased serum sodium

The nurse is caring for a client with an arterial blood pH of 7.48 and bicarbonate level of 29 mEq/L (29 mmol/L). Which treatment will the nurse expect to be prescribed for this client? Bronchodilator Potassium supplements Intravenous 0.9% normal saline Oxygen through a rebreather mask

Intravenous 0.9% normal saline

A client with a magnesium concentration of 2.6 mEq/L (1.3 mmol/L) is being treated on a medical-surgical unit. Which treatment should the nurse anticipate will be used? Intravenous furosemide Fluid restriction Oral magnesium oxide Dialysis

Intravenous furosemide

The nurse is caring for a client undergoing alcohol withdrawal. Which serum laboratory value should the nurse monitor most closely? Magnesium Calcium Phosphorus Potassium

Magnesium

What does the nurse recognize as one of the best indicators of the patient's renal function? Blood urea nitrogen Serum creatinine Specific gravity Urine osmolality

Serum creatinine

Following a unilateral adrenalectomy, a nurse should assess for hyperkalemia as indicated by: muscle weakness. tremors. diaphoresis. constipation.

muscle weakness.

The nurse is reviewing lab work on a newly admitted client. Which of the following diagnostic studies confirm the nursing diagnosis of Deficient Fluid Volume? Select all that apply. An elevated hematocrit level A low urine specific gravity Electrolyte imbalance Low protein level in the urine Absence of ketones in urine

An elevated hematocrit level Electrolyte imbalance

What foods can the nurse recommend for the patient with hyperkalemia? Apples and berries Green, leafy vegetables Milk and yogurt Melons

Apples and berries

The nurse is caring for a patient with a diagnosis of hyponatremia. Which nursing intervention is appropriate to include in the plan of care for this patient? Select all that apply. Assessing for symptoms of nausea and malaise Encouraging the intake of low-sodium liquids Monitoring neurologic status Restricting tap water intake Encouraging the use of salt substitute instead of salt

Assessing for symptoms of nausea and malaise Monitoring neurologic status Restricting tap water intake

The nurse should assess the patient for signs of lethargy, increasing intracranial pressure, and seizures when the serum sodium reaches what level? 115 mEq/L 130 mEq/L 145 mEq/L 160 mEq/L

115 mEq/L

A client who is semiconscious presents with restlessness and weakness. The nurse assesses a dry, swollen tongue; body temperature of 99.3 °F; and a urine specific gravity of 1.020. What is the most likely serum sodium value for this client? 110 mEq/L 130 mEq/L 145 mEq/L 165 mEq/L

165 mEq/L

The nurse has been assigned to care for various clients. Which client is at the highest risk for a fluid and electrolyte imbalance? An 82-year-old client who receives all nutrition via tube feedings and whose medications include carvedilol and torsemide. A 45-year-old client who had a laparoscopic appendectomy 24 hours ago and is being advanced to a regular diet. A 79-year-old client admitted with a diagnosis of pneumonia. A 66-year-old client who had an open cholecystectomy with a T-tube placed that is draining 125 mL of bile per shift.

An 82-year-old client who receives all nutrition via tube feedings and whose medications include carvedilol and torsemide.

The nurse is caring for a client who is to receive IV daunorubicin, a chemotherapeutic agent. The nurse starts the infusion and checks the insertion site as per protocol. During the most recent check, the nurse observes that the IV has infiltrated so the nurse stops the infusion. What is the nurse's priority concern with this infiltration? Extravasation of the medication Discomfort to the client Blanching at the site Hypersensitivity reaction to the medication

Extravasation of the medication

A nurse in the neurologic ICU has received a prescription to infuse a hypertonic solution into a client with increased intracranial pressure. This solution will increase the number of dissolved particles in the client's blood, creating pressure for fluids in the tissues to shift into the capillaries and increase the blood volume. This process is best described with which terms? Hydrostatic pressure Osmosis and osmolality Diffusion Active transport

Osmosis and osmolality

The nurse is caring for a client admitted with a diagnosis of acute kidney injury. When reviewing the client's most recent laboratory reports, the nurse notes that the client's magnesium levels are high. The nurse should prioritize assessment for what health problem? Diminished deep tendon reflexes Tachycardia Cool, clammy skin Acute flank pain

Diminished deep tendon reflexes

The nurse notes that a client has lost 5 lbs. (2.27 kg) of body weight over 5 days. Which additional assessment findings indicate to the nurse that the client is experiencing hypovolemia? Select all that apply. Lung crackles Flat neck veins Bounding pulse Muscle cramps Concentrated urine

Flat neck veins Muscle cramps Concentrated urine

In which of the following medical conditions would administering IV normal saline solution be inappropriate? Select all that apply. Heart failure Pulmonary edema Renal impairment Burns Severe hemorrhage

Heart failure Pulmonary edema Renal impairment

The nurse is caring for a geriatric client in the home setting. Due to geriatric changes decreasing thirst, the nurse is likely to see a decrease in which fluid location which contains the most body water? Intracellular fluid Extracellular fluid Interstitial fluid Intravascular fluid

Intracellular fluid

The nurse is caring for a client who was admitted with fluid volume excess (FVE). Which nursing assessments should the nurse include in the ongoing monitoring of the client? Select all that apply. Nutritional status and diet Blood pressure, heart rate, and rhythm Intake and output, urine volume, and color Strength testing for muscle wasting Skin assessment for edema and turgor

Nutritional status and diet Blood pressure, heart rate, and rhythm Intake and output, urine volume, and color Skin assessment for edema and turgor

A client is diagnosed with syndrome of inappropriate antidiuretic hormone (SIADH). The nurse should anticipate which laboratory test result? Serum sodium level of 124 mEq/L Serum creatinine level of 0.4 mg/dl Hematocrit of 52% Serum blood urea nitrogen (BUN) level of 8.6 mg/dl

Serum sodium level of 124 mEq/L

The nurse is caring for a client with a secondary diagnosis of hypermagnesemia. What assessment finding would be most consistent with this diagnosis? Hypertension Kussmaul respirations Increased DTRs Shallow respirations

Shallow respirations

A patient with diabetes insipidus presents to the emergency room for treatment of dehydration. The nurse knows to review serum laboratory results for which of the diagnostic indicators? Sodium level of 137 mEq/L Potassium level of 3.8 mEq/L Sodium level of 150 mEq/L Potassium level of 6 mEq/L

Sodium level of 150 mEq/L

Which of the following is a factor affecting an increase in urine osmolality? Syndrome of inappropriate antidiuretic hormone release (SIADH) Alkalosis Fluid volume excess Myocardial infarction

Syndrome of inappropriate antidiuretic hormone release (SIADH)

The nurse is caring for a client diagnosed with hyperchloremia. Which are signs and symptoms of hyperchloremia? Select all that apply. Tachypnea Weakness Lethargy Dehydration Hypotension

Tachypnea Weakness Lethargy

A client with mild fluid volume excess is prescribed a diuretic that blocks sodium reabsorption in the distal tubule. Which diuretic does the nurse anticipate administering to this client? bumetanide torsemide hydrochlorothiazide furosemide

hydrochlorothiazide

A nurse is caring for a client in acute renal failure. The nurse should expect hypertonic glucose, insulin infusions, and sodium bicarbonate to be used to treat: hypernatremia. hypokalemia. hyperkalemia. hypercalcemia.

hyperkalemia.

A client reports muscle cramps in the calves and feeling "tired a lot." The client is taking ethacrynic acid (Edecrin) for hypertension. Based on these symptoms, the client will be evaluated for which electrolyte imbalance? hypokalemia hyperkalemia hypocalcemia hypercalcemia

hypokalemia

A client presents with muscle weakness, tremors, slow muscle movements, and vertigo. The following are the client's laboratory values: Sodium 134 mEq/L (134 mmol/L)Potassium 3.2 mEq/L (3.2 mmol/L)Chloride 111 mEq/L (111 mmol/L)Magnesium 1.1 mg/dL (0.45 mmol/L)Calcium 8.4 mg/dL (2.1 mmol/L) What fluid and electrolyte imbalance would the nurse relate to the client's findings? hyponatremia hypokalemia hypocalcemia hypomagnesemia

hypomagnesemia

Early signs of hypervolemia include: a decrease in blood pressure. thirst. moist breath sounds. increased breathing effort and weight gain.

increased breathing effort and weight gain.

A client with cancer is being treated on the oncology unit for bilateral breast cancer. The client is undergoing chemotherapy. The nurse notes the client's serum calcium concentration is 12.3 mg/dL (3.08 mmol/L). Given this laboratory finding, the nurse should suspect that the: a. malignancy is causing the electrolyte imbalance. b. client's diet is lacking in calcium-rich food products. c. client may be developing hyperaldosteronism. client has a history of alcohol abuse.

malignancy is causing the electrolyte imbalance.

A nurse is providing an afternoon shift report and relates morning assessment findings to the oncoming nurse. Which daily assessment data is necessary to determine changes in the client's hypervolemia status? vital signs edema intake and output weight

weight

The nurse is caring for a client in heart failure with signs of hypervolemia. Which vital sign is indicative of the disease process? Low heart rate Elevated blood pressure Rapid respiration Subnormal temperature

Elevated blood pressure

Which of the following would be appropriate nursing interventions for a client with hypokalemia? Select all that apply. Offer a diet with fruit juices and citrus fruits. Administer the ordered Kayexalate enema. Administer the ordered furosemide 60 mg po. Monitor intake and output every shift. Administer the ordered potassium 40 mg IV push.

Offer a diet with fruit juices and citrus fruits. Monitor intake and output every shift.

A nurse is caring for a client with acute renal failure and hypernatremia. In this case, which action can be delegated to the nursing assistant? Provide oral care every 2-3 hours. Monitor for signs and symptoms of dehydration. Teach the client about increased fluid intake. Assess the client's weight daily for trends.

Provide oral care every 2-3 hours.

A client with chronic renal failure has a serum potassium level of 6.8 mEq/L. What should the nurse assess first? Blood pressure Respirations Temperature Pulse

Pulse

A client is experiencing edema in the tissue. What type of intravenous fluid would the nurse expect to be prescribed? isotonic fluid no intravenous solution hypertonic solution hypotonic solution

hypertonic solution

Oncotic pressure refers to the: number of dissolved particles contained in a unit of fluid. excretion of substances such as glucose through increased urine output. amount of pressure needed to stop the flow of water by osmosis. osmotic pressure exerted by proteins.

osmotic pressure exerted by proteins.

The health care provider ordered an IV solution for a dehydrated patient with a head injury. Select the IV solution that the nurse knows would be contraindicated. 0.9% NaCl 5% DW 0.45% NS 3% NS

5% DW

It is important for a nurse to know how to calculate the corrected serum calcium level for a patient when hypocalcemia is seen along with low serum albumin levels. Calculate the corrected serum calcium when the serum calcium is 9 mg/dL and the serum albumin is 3 g/dL. 9.8 mg/dL 10.3 mg/dL 11 mg/dL 12 mg/dL

9.8 mg/dL

A client is diagnosed with syndrome of inappropriate antidiuretic hormone (SIADH). The nurse informs the client that the physician will order diuretic therapy and restrict fluid and sodium intake to treat the disorder. If the client doesn't comply with the recommended treatment, which complication may arise? Cerebral edema Hypovolemic shock Severe hyperkalemia Tetany

Cerebral edema

Which electrolyte is a major anion in body fluid? Chloride Potassium Sodium Calcium

Chloride

What percentage of potassium excreted daily leaves the body by way of the kidneys? 20 40 60 80

80

A client with excess fluid volume and hyponatremia is in a comatose state. What are the nursing considerations concerning fluid replacement? Restrict fluids and salt for 24 hours. Correct the sodium deficit rapidly with salt. Administer small volumes of a hypertonic solution. Monitor the serum sodium for changes hourly.

Administer small volumes of a hypertonic solution.

The nurse is caring for a client being treated with isotonic IV fluid for hypernatremia. What complication of hypernatremia should the nurse continuously monitor for? Red blood cell crenation Red blood cell hydrolysis Cerebral edema Renal failure

Cerebral edema

Which laboratory result does the nurse identify as a direct result of the client's hypovolemic status with hemoconcentration? Abnormal potassium level Elevated hematocrit level Low white blood count Low urine specific gravity

Elevated hematocrit level

When planning the care of a client with a fluid imbalance, the nurse understands that in the human body, water and electrolytes move from the arterial capillary bed to the interstitial fluid. What causes this to occur? Active transport of hydrogen ions across the capillary walls Pressure of the blood in the renal capillaries Action of the dissolved particles contained in a unit of blood Hydrostatic pressure resulting from the pumping action of the heart

Hydrostatic pressure resulting from the pumping action of the heart

The nurse is caring for a client who is being treated on the oncology unit with a diagnosis of lung cancer with bone metastases. The client reports a new onset of weakness with abdominal pain and further assessment suggests that the client likely has a fluid volume deficit. The nurse should recognize that this client may be experiencing which electrolyte imbalance? Hypernatremia Hypomagnesemia Hypophosphatemia Hypercalcemia

Hypercalcemia

A physician orders regular insulin 10 units I.V. along with 50 ml of dextrose 50% for a client with acute renal failure. What electrolyte imbalance is this client most likely experiencing? Hypercalcemia Hypernatremia Hyperglycemia Hyperkalemia

Hyperkalemia

A client is diagnosed with syndrome of inappropriate antidiuretic hormone (SIADH). Laboratory results reveal serum sodium level 130 mEq/L and urine specific gravity 1.030. Which nursing intervention helps prevent complications associated with SIADH? Restricting fluids to 800 ml/day Administering vasopressin as ordered Elevating the head of the client's bed to 90 degrees Restricting sodium intake to 1 gm/day

Restricting fluids to 800 ml/day

The nurse is instructing a client with recurrent hyperkalemia about following a potassium-restricted diet. Which statement by the client indicates the need for additional instruction? "I will not salt my food; instead I'll use salt substitute." "Bananas have a lot of potassium in them; I'll stop buying them." "I'll drink cranberry juice with my breakfast instead of coffee." "I need to check to see whether my cola beverage has potassium in it."

"I will not salt my food; instead I'll use salt substitute."

An adult client is brought in to the clinic feeling thirsty with dry, sticky mucous membranes; decreased urine output; fever; a rough tongue; and lethargy. The nurse reconciles the client's medication list and notes that salt tablets had been prescribed. What would the nurse do next? Continue to monitor client with another appointment. Be prepared to administer a lactated Ringer's IV. Be prepared to administer a sodium chloride IV. Consider sodium restriction with discontinuation of salt tablets.

Consider sodium restriction with discontinuation of salt tablets.

One day after a client is admitted to the medical unit, the nurse determines that the client is oliguric. The nurse notifies the acute-care nurse practitioner who prescribes a fluid challenge of 200 mL of normal saline solution over 15 minutes. This intervention will help to achieve what goal? Distinguish hyponatremia from hypernatremia. Evaluate pituitary gland function, Distinguish reduced renal blood flow from decreased renal function. Provide an effective treatment for hypertension-induced oliguria.

Distinguish reduced renal blood flow from decreased renal function.

A client with hypertension has been prescribed hydrochlorothiazide. What nursing action will best reduce the client's risk for electrolyte disturbances? Maintain a low-sodium diet. Encourage the use of over-the-counter calcium supplements. Ensure the client has sufficient potassium intake. Encourage fluid intake.

Ensure the client has sufficient potassium intake.

You are caring for a new client on your unit who is third-spacing fluid. You know to assess for what type of edema? Generalized Dependent Brassy Pitting

Generalized

The nurse is adding the intake and output results for a client diagnosed with dehydration. The nurse notes a 24-hour intake of 1500 mL/day between oral fluids and intravenous solutions. The output total is calculated as 2800 mL/day from urine output, emesis, and Hemovac drainage. Which nursing action is best to maintain an acceptable fluid balance? Suggest a fluid restriction. Encourage oral fluids. Remove the Hemovac. Offer a prescribed antiemetic medication.

Offer a prescribed antiemetic medication.

A patient has been involved in a traumatic accident and is hemorrhaging from multiple sites. The nurse expects that the compensatory mechanisms associated with hypovolemia would cause what clinical manifestations? (Select all that apply.) Hypertension Oliguria Tachycardia Bradycardia Tachypnea

Oliguria Tachycardia Tachypnea

A patient with abnormal sodium losses is receiving a regular diet. How can the nurse supplement the patient's diet to provide 1,600 mg of sodium daily? One beef cube and 8 oz of tomato juice Four beef cubes and 8 oz of tomato juice One beef cube and 16 oz of tomato juice One beef cube and 12 oz of tomato juice

One beef cube and 8 oz of tomato juice

A nurse is assessing a client with syndrome of inappropriate antidiuretic hormone. Which finding requires further action? Tetanic contractions Jugular vein distention Weight loss Polyuria

Tetanic contractions

A nurse is assessing a client's reflexes. Which condition does the nurse need to confirm when tapping the facial nerve of a client who has dysphagia? hypervolemia hypercalcemia hypomagnesemia hypermagnesemia

hypomagnesemia


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