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. Which of the following are the primary bacteria involved in the initiation of dental caries?

• A. Streptococcus mutans and Lactobacillus species
• B. Salmonella and Listeria species
• C. Streptococcus, Lactobacillus, and Salmonella species
• D. Listeria, Botulinum species, and Escherichia coli

Correct answer: A

Rationale: The correct answer is A: Streptococcus mutans and Lactobacillus species. These bacteria are primarily responsible for initiating dental caries by fermenting carbohydrates and producing acids that demineralize enamel. Choice B, Salmonella and Listeria species, are not the primary bacteria involved in dental caries. Choice C includes Salmonella which is not a primary culprit in dental caries. Choice D lists Listeria, Botulinum species, and Escherichia coli, none of which are the primary bacteria associated with initiating dental caries.

3. A factor contributing to the risk for dehydration in the older adult is that _____.

• A. drinking fluids causes loss of bladder control
• B. older adults do not seem to notice mouth dryness as readily as younger people
• C. increased fluid intake will decrease the intake of nutrient-dense foods
• D. changes in intestinal motility contribute to excess fluid loss

Correct answer: C

Rationale: Older adults may not notice mouth dryness as readily as younger individuals, increasing their risk for dehydration, especially if they do not consciously increase fluid intake.

4. To follow a healthy diet, a person should be sure that:

• A. 20-35% of the total carbs eaten should be made up of fiber
• B. 45-65% of the total carbs eaten should be made up of fiber
• C. 45-65% of the total fiber eaten should be made up of soluble fiber
• D. 45-65% of the total calories eaten should be made up of carbs

Correct answer: D

Rationale: The Acceptable Macronutrient Distribution Range (AMDR) suggests that 45-65% of total daily calories should come from carbohydrates.

5. As a nurse assigned for care for geriatric patients, you need to frequently assess your patient using the nursing process. Which of the following needs be considered with the highest priority?

• A. Patients own feeling about his illness
• B. Safety of the client especially those elderly clients who frequently falls
• C. Nutritional status of the elderly client
• D. Physiologic needs that are life threatening

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.

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