Nursing Elites

1. Which mineral is a principal component of cell membranes?

• A. phosphorus
• B. magnesium
• C. iron
• D. iodine

Correct answer: A

Rationale: Phosphorus is the correct answer. It is a key component of cell membranes, being part of the phospholipid bilayer that provides structure and controls the movement of substances in and out of cells. Magnesium, iron, and iodine do not serve as principal components of cell membranes. Magnesium is involved in various enzymatic reactions, iron is essential for oxygen transport, and iodine plays a role in thyroid hormone synthesis.

2. Can soluble fibers be fermented by gut bacteria?

• A. TRUE
• B. FALSE
• C.
• D.

Correct answer: A

Rationale: Soluble fibers can indeed be fermented by gut bacteria in the large intestine, leading to the production of beneficial short-chain fatty acids. This fermentation process is important for gut health and provides various health benefits. Therefore, the statement is true. Choice B is incorrect as it contradicts the known scientific fact that soluble fibers can be broken down by gut bacteria through fermentation.

3. The dietary guidelines for Americans recommend consuming:

• A. nutrient dense foods
• B. non-essential amino acids
• C. energy dense foods
• D. organically grown foods

Correct answer: A

Rationale: The guidelines emphasize nutrient-dense foods that provide essential vitamins, minerals, and other nutrients without excessive calories, sugars, or unhealthy fats.

4. Chest x-ray was ordered after thoracentesis. When your client asks what is the reason for another chest x-ray, you will explain:

• A. to rule out pneumothorax
• B. to rule out any possible perforation
• C. to decongest
• D. to rule out any foreign body

Correct answer: C

Rationale: Effective nursing care involves comprehensive assessments that address all aspects of a patient's condition, ensuring that interventions are appropriately targeted and outcomes are optimized.

5. A client who is breastfeeding is being taught diet modification by a nurse. Which of the following statements by the client indicates an understanding of the teaching?

• A. I should drink an 8-ounce glass of water each time my baby nurses.
• B. I should take a 1500-milligram iron supplement daily.
• C. I can eat a 2500-calorie daily diet to lose 1 lb per week.
• D. I can eat ounces of swordfish daily.

Correct answer: A

Rationale: The correct answer is A because drinking an 8-ounce glass of water each time the baby nurses helps maintain hydration and support milk production. Choice B is incorrect as the need for iron supplementation should be discussed with a healthcare provider. Choice C is incorrect as a 2500-calorie diet is not typically recommended for weight loss during breastfeeding. Choice D is incorrect as consuming high levels of swordfish is not advisable due to its mercury content, which can be harmful to the baby.

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