Prep U questions chapter 10

A nurse correctly identifies a urine specimen with a pH of 4.3 as being which type of solution?

Acidic

Which is the most common cause of symptomatic hypomagnesemia?

Alcoholism

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?

Cerebral edema

Which findings indicate that a client has developed water intoxication secondary to treatment for diabetes insipidus?

Confusion and seizures

The nurse is caring for a client in heart failure with signs of hypervolemia. Which vital sign is indicative of the disease process?

Elevated BP

Before seeing a newly assigned client with respiratory alkalosis, a nurse quickly reviews the client's medical history. Which condition is a predisposing factor for respiratory alkalosis?

Extreme anxiety

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?

Hyperkalemia

Which could be a potential cause of respiratory acidosis?

Hypoventilation

With which condition should the nurse expect that a decrease in serum osmolality will occur?

Kidney failure

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

Pulse

When evaluating arterial blood gases (ABGs), which value is consistent with metabolic alkalosis?

pH 7.48

Which set of arterial blood gas (ABG) results requires further investigation?

pH 7.49, PaCO2 30 mm Hg, PaO2 89 mm Hg, and HCO3- 18 mEq/L

A client is to receive hypotonic IV solution in order to provide free water replacement. Which solution does the nurse anticipate administering?

0.45% NaCl

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

Which is considered an isotonic solution?

0.9% normal saline

The weight of a client with congestive heart failure is monitored daily and entered into the medical record. In a 24-hour period, the client's weight increased by 2 lb. How much fluid is this client retaining?

1 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

The emergency department (ED) nurse is caring for a client with a possible acid-base imbalance. The physician has ordered an arterial blood gas (ABG). What is one of the most important indications of an acid-base imbalance that is shown in an ABG?

Bicarbonate

A client presents with anorexia, nausea and vomiting, deep bone pain, and constipation. The following are the client's laboratory values. sodium 137 mEq/L potassium 4.6 mEq/L chloride 94 mEq/L calcium 12.9 mg/dL What laboratory value is of highest concern to the nurse?

Calcium 12.9 mg/dL (3.2 mmol/L)

The nurse is caring for a 72-year-old client who has been admitted to the unit for a fluid volume imbalance. The nurse knows which of the following is the most common fluid imbalance in older adults?

Dehydration

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

Which intervention is most appropriate for a client with an arterial blood gas (ABG) of pH 7.5, a partial pressure of arterial carbon dioxide (PaCO2) of 26 mm Hg, oxygen (O2) saturation of 96%, bicarbonate (HCO3-) of 24 mEq/L, and a PaO2 of 94 mm Hg?

Instruct the client to breathe into a paper bag

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

Which sign suggests that a client with the syndrome of inappropriate antidiuretic hormone (SIADH) secretion is experiencing complications?

Jugular vein distention

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

Malignancy is causing the electrolyte imbalance

The nurse is caring for a client with an acid-base imbalance. For which imbalance will the nurse calculate the anion gap?

Metabolic acidosis

The nurse is caring for a client with severe diarrhea. The nurse recognizes that the client is at risk for developing which acid-base imbalance?

Metabolic acidosis

The nurse is caring for a patient with diabetes type I who is having severe vomiting and diarrhea. What condition that exhibits blood values with a low pH and a low plasma bicarbonate concentration should the nurse assess for?

Metabolic acidosis

A client who complains of an "acid stomach" has been taking baking soda (sodium bicarbonate) regularly as a self-treatment. This may place the client at risk for which acid-base imbalance?

Metabolic alkalosis

A client with respiratory acidosis is admitted to the intensive care unit for close observation. What client complication associated with respiratory acidosis would the nurse observe?

Papilledema

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?

Peaked T waves

Which electrolyte is a major cation in body fluid?

Potassium

A client is being treated in the ICU 24 hours after having a radical neck dissection completed. The client's serum calcium concentration is 7.6 mg/dL (1.9 mmol/L). Which physical examination finding is consistent with this electrolyte imbalance?

Presence of Trousseau sign

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 - SOB

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

- Tachypnea - Weakness - Lethargy

A client weighing 160.2 pounds (72.7 kg), who has been diagnosed with hypovolemia, is weighed every day. The health care provider asked to be notified if the client loses 1,000 mL of fluid in 24 hours. What weight would be consistent with this amount of fluid loss?

158.0 lbs (71.7 kg) - A loss of 0.5 kg, or 1.1 lb, represents a fluid loss of about 500 mL. Therefore, a loss of 1,000 mL would be equivalent to the loss of 2.2 lbs (1 kg)

A nurse can estimate serum osmolality at the bedside by using a formula. A patient who has a serum sodium level of 140 mEq/L would have a serum osmolality of:

280 mOsm/kg

A client experiencing a severe anxiety attack and hyperventilating presents to the emergency department. The nurse would expect the client's pH value to be

7.50

What percentage of potassium excreted daily leaves the body by way of the kidneys?

80

The nurse is caring for four clients on a medical unit. The nurse is most correct to review which client's laboratory reports first for an electrolyte imbalance?

A 52-year-old with diarrhea

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 30 mL/hour

A nurse is providing client teaching about the body's plasma pH and the client asks the nurse what is the major chemical regulator of plasma pH. What is the best response by the nurse?

Bicarbonate-carbonic acid buffer system

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

Which electrolyte is a major anion in body fluid?

Chloride

A client with emphysema is at a greater risk for developing which acid-base imbalance?

Chronic respiratory acidosis

The nurse is caring for a client with a serum potassium concentration of 6.0 mEq/L (6.0 mmol/L) and a fluid volume excess. The client is ordered to receive oral sodium polystyrene sulfonate and furosemide. What other order should the nurse anticipate giving?

Discontinue the intravenous lactated Ringer solution

Which laboratory result does the nurse identify as a direct result of the client's hypovolemic status with hemoconcentration?

Elevated hematocrit level

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?

Hypomagnesemia

Early signs of hypervolemia include

Increased breathing effort and weight gain

Clients diagnosed with hypervolemia should avoid sweet or dry food because it

Increases the client's desire to consume fluid

A physician orders an isotonic I.V. solution for a client. Which solution should the nurse plan to administer?

Lactated Ringer's solution

A client hospitalized for treatment of a pulmonary embolism develops respiratory alkalosis. Which clinical findings commonly accompany respiratory alkalosis?

Light-headedness or paresthesia

The nurse is caring for a client with multiple organ failure and in metabolic acidosis. Which pair of organs is responsible for regulatory processes and compensation?

Lungs and kidney

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

Magnesium

A client in the emergency department reports that he has been vomiting excessively for the past 2 days. His arterial blood gas analysis shows a pH of 7.50, partial pressure of arterial carbon dioxide (PaCO2) of 43 mm Hg, partial pressure of arterial oxygen (PaO2) of 75 mm Hg, and bicarbonate (HCO3-) of 42 mEq/L. Based on these findings, the nurse documents that the client is experiencing which type of acid-base imbalance?

Metabolic alkalosis

A priority nursing intervention for a client with hypervolemia involves which of the following?

Monitoring respiratory status for signs and symptoms of pulmonary complications

Following a unilateral adrenalectomy, a nurse should assess for hyperkalemia as indicated by:

Muscle weakness

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

A nurse is caring for a client admitted with a diagnosis of exacerbation of myasthenia gravis. Upon assessment of the client, the nurse notes the client has severely depressed respirations. The nurse would expect to identify which acid-base disturbance?

Respiratory acidosis

A client admitted with acute anxiety has the following arterial blood gas (ABG) values: pH, 7.55; partial pressure of arterial oxygen (PaO2), 90 mm Hg; partial pressure of arterial carbon dioxide (PaCO2), 27 mm Hg; and bicarbonate (HCO3-), 24 mEq/L. Based on these values, the nurse suspects:

Respiratory alkalosis

A client comes to the emergency department with status asthmaticus. His respiratory rate is 48 breaths/minute, and he is wheezing. An arterial blood gas analysis reveals a pH of 7.52, a partial pressure of arterial carbon dioxide (PaCO2) of 30 mm Hg, PaO2 of 70 mm Hg, and bicarbonate (HCO3??') of 26 mEq/L. What disorder is indicated by these findings?

Respiratory alkalosis

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

Which of the following arterial blood gas results would be consistent with metabolic alkalosis?

Serum bicarbonate of 28 mEq/L

Which medication does the nurse anticipate administering to antagonize the effects of potassium on the heart for a patient in severe metabolic acidosis?

Sodium bicarbonate

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 150 mEq/L

Which of the following is a factor affecting an increase in urine osmolality?

Syndrome of inappropriate antidiuretic hormone release (SIADH)

To compensate for decreased fluid volume (hypovolemia), the nurse can anticipate which response by the body?

Tachycardia

A client seeks medical attention for an acute onset of severe thirst, polyuria, muscle weakness, nausea, and bone pain. Which health history information will the nurse report to the health care provider?

Takes high doses of vitamin D

The nurse is caring for a client who has been diagnosed with chronic obstructive pulmonary disease (COPD) and is experiencing respiratory acidosis. The client asks what is making the acidotic state. What does the nurse identify as the result of the disease process that causes the fall in pH?

The lungs are not able to regulate carbonic acid levels

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?

Weight

The nurse is planning care for an older adult client. Which of the following would require the nurse assess for chronic respiratory acidosis?

Thoracic skeletal change

Which condition leads to chronic respiratory acidosis in older adults?

Thoracic skeletal change

A client is diagnosed with hypocalcemia and the nurse is teaching the client about symptoms. What symptom would the nurse include in the teaching?

Tingling sensation in the fingers

A nurse is reviewing a report of a client's routine urinalysis. Which value requires further investigation?

Urine pH of 3.0

A newly graduated nurse is admitting a client with a long history of emphysema. The nurse learns that the client's PaCO2 has been between 56 and 64 mm Hg for several months. Why should the nurse be cautious administering oxygen?

Using oxygen may result in the client developing carbon dioxide narcosis and hypoxemia

A client with Guillain-Barré syndrome develops respiratory acidosis as a result of reduced alveolar ventilation. Which combination of arterial blood gas (ABG) values confirms respiratory acidosis?

pH, 7.25; PaCO2 50 mm Hg

The nurse is analyzing the arterial blood gas (ABG) results of a client diagnosed with severe pneumonia. Which of the following ABG results indicates respiratory acidosis?

pH: 7.20, PaCO2: 65 mm Hg, HCO3-: 26 mEq/L

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

A client with severe hypervolemia is prescribed a loop diuretic and the nurse is concerned with the client experiencing significant sodium and potassium losses. What drug was most likely prescribed?

Furosemide

What does the nurse recognize as one of the best indicators of the patient's renal function?

Serum creatinine