Nursing Elites

1. The client with chronic renal failure is being taught about dietary restrictions by the nurse. Which of the following food items should the client avoid?

• A. Apples
• B. Bananas
• C. Chicken
• D. Rice

Correct answer: B

Rationale: The correct answer is B: Bananas. Bananas are high in potassium, which should be limited in clients with chronic renal failure to prevent hyperkalemia. Apples (choice A), chicken (choice C), and rice (choice D) are not typically restricted in clients with chronic renal failure. Apples and rice are lower in potassium, while chicken is a good source of lean protein, which is usually encouraged in these clients to meet their protein needs without excess potassium intake.

2. 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.

3. The client is being educated by the healthcare provider about risk factors associated with atherosclerosis and methods to reduce the risk. Which of the following is a risk factor that the client cannot modify?

• A. Diabetes
• B. Age
• C. Exercise level
• D. Dietary preferences

Correct answer: B

Rationale: Age is a nonmodifiable risk factor for atherosclerosis because it is a natural part of the aging process. While lifestyle factors such as diabetes, exercise level, and dietary preferences can be modified to reduce the risk of atherosclerosis, age cannot be altered. Therefore, age is the correct answer. Diabetes, exercise level, and dietary preferences can all be improved or managed through interventions and lifestyle changes to mitigate the risk of atherosclerosis.

4. The client with deep vein thrombosis (DVT) in the left lower leg is receiving heparin therapy. Which of the following assessments is the most important for the nurse to perform?

• A. Measure the circumference of the left leg.
• B. Assess for signs of bleeding, such as bruising or hematuria.
• C. Monitor the client's vital signs.
• D. Monitor the client's respiratory status.

Correct answer: B

Rationale: The most important assessment for a client with DVT on heparin therapy is to monitor for signs of bleeding, such as bruising or hematuria. Heparin is an anticoagulant medication that can increase the risk of bleeding. Assessing for bleeding is crucial to prevent complications like hemorrhage. Measuring the circumference of the leg may be relevant for assessing for edema but is not as critical as monitoring for bleeding. Monitoring vital signs and respiratory status are important aspects of care but are not the priority when the client is on heparin therapy for DVT.

5. A client was admitted for a myocardial infarction and cardiogenic shock 2 days ago. Which laboratory test result should a nurse expect to find?

• A. Blood urea nitrogen (BUN) of 52 mg/dL
• B. Creatinine of 2.3 mg/dL
• C. BUN of 10 mg/dL
• D. BUN/creatinine ratio of 8:1

Correct answer: A

Rationale: In cardiogenic shock, decreased renal perfusion leads to an elevated BUN. Choice A is correct. Creatinine remains normal in cardiogenic shock as it signifies kidney damage, which has not occurred in this case. A low BUN indicates overhydration, malnutrition, or liver damage, which are not typically seen in cardiogenic shock. A low BUN/creatinine ratio is associated with fluid volume excess or acute renal tubular acidosis, not specifically indicative of cardiogenic shock.

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