A patient is diagnosed with hypokalemia. After reviewing the patient's current medications, which drug should the nurse consider that might have contributed to the patient's health problem?

Narcotic.

Thiazide diuretic.

Corticosteroid.

Muscle relaxer.

Answer and Explanation

The Correct Answer is B

Choice A rationale:

Narcotics are not known to directly cause hypokalemia. Their main effects are related to pain relief and central nervous system depression.

Choice B rationale:

Thiazide diuretics can cause potassium loss in the urine, leading to hypokalemia. These diuretics work by inhibiting sodium reabsorption in the distal convoluted tubule, which can lead to potassium excretion as well.

Choice C rationale:

Corticosteroids can cause sodium and water retention but are not typically associated with significant potassium abnormalities.

Choice D rationale:

Muscle relaxers are not known to cause hypokalemia. They primarily act on the neuromuscular junction and do not directly impact potassium levels.

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Correct Answer is A

Explanation

Choice A rationale:

The arterial blood gas results show a low pH (acidosis) and an elevated Paco2 (partial pressure of carbon dioxide), which indicates respiratory acidosis. This condition occurs when there is inadequate removal of carbon dioxide through ventilation, leading to an accumulation of carbonic acid in the blood and a decrease in pH.

Choice B rationale:

Metabolic acidosis would present with a low pH and a low bicarbonate (HCO3-) level, not an elevated Paco2.

Choice C rationale:

Metabolic alkalosis would present with a high pH and an elevated bicarbonate (HCO3-) level, not an elevated Paco2.

Choice D rationale:

Respiratory alkalosis would present with a high pH and a decreased Paco2, not an elevated Paco2 as seen in this case.

A. Hypokalemia. B. Hypercalcemia. C. Hypovolemia. D. Hyperglycemia.

Correct Answer is D

Explanation

Choice A rationale:

Hypokalemia is not a direct adverse effect of dextrose 10% in water infusion. This solution does not contain potassium, and unless the patient already has low potassium levels or other contributing factors, it would not cause hypokalemia.

Choice B rationale:

Hypercalcemia is unrelated to dextrose 10% in water infusion. The solution does not contain calcium, and it would not lead to an increase in serum calcium levels.

Choice C rationale:

Hypovolemia, or low blood volume, is not typically associated with dextrose 10% in water infusion. However, if administered rapidly in large amounts, it could potentially cause fluid overload leading to hypervolemia.

Choice D rationale:

Hyperglycemia is a possible adverse effect of dextrose 10% in water infusion. The solution contains a high concentration of glucose, which can raise blood sugar levels if the body cannot adequately utilize or regulate the glucose. Regular monitoring of blood glucose levels is essential during such an infusion, especially in patients with diabetes or impaired glucose tolerance.

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A patient is diagnosed with hypokalemia. After reviewing the patient's current medications, which drug should the nurse consider that might have contributed to the patient's health problem?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client whose arterial blood gas results show a pH of 7.3 and a Paco2 of 50 mm Hg. The nurse should identify that the client is experiencing which of the following acid-base imbalances?

Correct Answer is A

Explanation

A nurse is caring for a client who is receiving an IV infusion of dextrose 10% in water. The nurse should monitor the client for which of the following adverse effects?

Correct Answer is D

Explanation

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