Nursing Elites

1. Magnesium's major functions in the body would be least likely to include which of the following?

• A. allowing muscles to relax after contraction
• B. assisting the operation of hundreds of enzymes
• C. synthesis of protein in the soft tissues
• D. regulation of body temperature

Correct answer: D

Rationale: Magnesium plays a key role in muscle relaxation, enzyme operation, and protein synthesis, but it is not directly involved in regulating body temperature.

2. In a patient with chronic kidney disease, which dietary modification is recommended?

• A. Increase protein intake
• B. Reduce potassium intake
• C. Increase sodium intake
• D. Reduce fiber intake

Correct answer: B

Rationale: Reducing potassium intake is important for patients with chronic kidney disease to prevent hyperkalemia.

3. A client receiving total parenteral nutrition (TPN is awaiting the next container. What fluid should the nurse infuse in the interim?

• A. Dextrose 5% in water
• B. 0.9% sodium chloride
• C. Dextrose 10% in water
• D. Lactated Ringer's solution

Correct answer: B

Rationale: The correct answer is 0.9% sodium chloride. When a client receiving TPN is awaiting the next container, infusing 0.9% sodium chloride is the appropriate choice to maintain fluid and electrolyte balance. Dextrose solutions are not recommended as they do not provide sufficient nutrition. Lactated Ringer's solution contains electrolytes but lacks essential nutrients found in TPN, making it an inadequate choice during the delay in TPN delivery.

4. What type of diet would most likely benefit a patient with cystic fibrosis?

• A. Low sodium
• B. Low fat
• C. Clear liquid
• D. High calorie, high protein

Correct answer: D

Rationale: Patients with cystic fibrosis often have malabsorption issues, leading to increased energy needs. A high-calorie, high-protein diet is recommended to help meet these needs, support growth, and maintain overall health. Choices A, B, and C do not address the specific dietary requirements associated with cystic fibrosis, making them less beneficial for these patients.

5. Which statement about essential nutrients should the nurse include?

• A. Fat-containing foods can help to decrease triglyceride levels.
• B. Animal sources of protein contain 20 essential amino acids.
• C. Carbohydrates are the primary source of fuel for muscles and the brain.
• D. High-fiber foods are a good source of energy.

Correct answer: C

Rationale: The correct answer is C because carbohydrates are indeed the primary source of fuel for muscles and the brain. Choice A is incorrect because while certain fats are essential, they do not help decrease triglyceride levels. Choice B is incorrect because animal sources of protein do not contain all 20 essential amino acids. Choice D is incorrect because although high-fiber foods are important for digestion and overall health, they are not a direct source of energy.

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