Nursing Elites

1. A child who weighs 10 kg will begin taking oral trimethoprim-sulfamethoxazole (TMP-SMX). The liquid preparation contains 40 mg of TMP and 200 mg of SMX per 5 mL. The nurse determines that the child’s dose should be 8 mg of TMP and 40 mg of SMX/kg/day divided into two doses. Which order for this child is correct?

• A. 5 mL PO BID
• B. 5 mL PO daily
• C. 10 mL PO BID
• D. 10 mL PO daily

Correct answer: A

Rationale: The correct answer is A: '5 mL PO BID.' To calculate the child’s daily dose requirement, you multiply the child's weight (10 kg) by the prescribed dosage per kg, which is 8 mg for TMP and 40 mg for SMX. This results in a total daily requirement of 80 mg of TMP and 400 mg of SMX. To divide this into two doses, each dose should contain half of the total daily requirement, which is 40 mg TMP and 200 mg SMX. Since the liquid preparation contains 40 mg of TMP and 200 mg of SMX per 5 mL, the correct dose per administration is 5 mL. Therefore, 5 mL PO BID is the correct order. Choice B, '5 mL PO daily,' is incorrect as the total daily dose needs to be divided into two doses. Choices C and D, '10 mL PO BID' and '10 mL PO daily,' respectively, are incorrect as they do not align with the calculated dosage requirements based on the child's weight and the prescribed dosage per kg.

2. After teaching a client with renal cancer who is prescribed temsirolimus (Torisel), the nurse assesses the client’s understanding. Which statement made by the client indicates a correct understanding of the teaching?

• A. I will take this medication with food and plenty of water.
• B. I shall keep my appointment at the infusion center each week.
• C. I’ll limit my intake of green leafy vegetables while on this medication.
• D. I must not take this medication if I have an infection or am feeling ill.

Correct answer: B

Rationale: The correct answer is B. Temsirolimus, also known as Torisel, is administered as a weekly intravenous infusion. This medication blocks protein needed for cell division, inhibiting cell cycle progression. It is not taken orally, so there is no need to take it with food or water. Keeping the weekly infusion center appointment is crucial for the client to receive the prescribed treatment effectively. Choice A is incorrect as temsirolimus is not taken with food or water. Choice C is incorrect because there is no need to limit the intake of green leafy vegetables while on this medication. Choice D is incorrect as having an infection or feeling ill does not prohibit the use of temsirolimus.

3. Which of the following is a characteristic symptom of hypothyroidism?

• A. Fatigue.
• B. Weight gain.
• C. Cold intolerance.
• D. Heat intolerance.

Correct answer: C

Rationale: The correct answer is 'Cold intolerance.' Hypothyroidism is associated with a decreased metabolic rate, leading to a decreased ability to regulate body temperature and a feeling of being cold. Fatigue (Choice A) and weight gain (Choice B) are also common symptoms of hypothyroidism due to the overall slowing down of bodily functions. Heat intolerance (Choice D) is more commonly associated with hyperthyroidism, where the body's metabolism is overactive, leading to increased heat production.

4. Laboratory findings indicate that a client's serum potassium level is 2.5 mEq/L. What action should the nurse take?

• A. Inform the healthcare provider of the need for potassium replacement.
• B. Prepare to administer a glucose-insulin-potassium replacement.
• C. Change the plan of care to include hourly urinary output measurement.
• D. Instruct the client to increase daily intake of potassium-rich foods.

Correct answer: A

Rationale: A serum potassium level of 2.5 mEq/L is critically low, indicating severe hypokalemia. The immediate action the nurse should take is to inform the healthcare provider of the need for potassium replacement. Option B, preparing to administer glucose-insulin-potassium replacement, is not the first-line intervention; it may be considered in specific situations but requires a healthcare provider's prescription. Option C, changing the plan of care to include hourly urinary output measurement, is not the priority when managing critically low potassium levels. Option D, instructing the client to increase daily intake of potassium-rich foods, is not appropriate in this acute situation where immediate intervention is needed to address the dangerously low potassium level.

5. A client is scheduled to undergo computerized tomography (CT) with contrast for evaluation of an abdominal mass. The nurse should tell the client that:

• A. The test may be painful
• B. The test takes 2 to 3 hours
• C. Food and fluids are not allowed for 4 hours after the test
• D. Dye is injected and may cause a warm flushing sensation

Correct answer: D

Rationale: The correct answer is D. A contrast-aided CT scan involves the injection of dye to enhance the images obtained. The dye may cause a warm flushing sensation when injected, which is a common side effect. Choices A, B, and C are incorrect. CT with contrast is generally not a painful procedure, the duration of the test does not usually take 2 to 3 hours, and restrictions on food and fluids are typically before the test, not afterward.

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