Nursing Elites

1. Why is the specific gravity for infants lower than for older children?

• A. Infants have a greater body surface area.
• B. Infants have a higher basal metabolic rate.
• C. Infants have a greater percentage of body weight that is water.
• D. Infants' kidneys are less able to concentrate urine.

Correct answer: D

Rationale: The correct answer is D because infants' kidneys are less developed compared to older children, making them less efficient at concentrating urine. This results in a lower specific gravity in infants. The other choices do not directly explain why the specific gravity is lower in infants.

2. A nurse is teaching a group of parents about preventing childhood obesity. Which of the following instructions should the nurse include?

• A. Serve your child 1 to 2 cups of fruit juice daily
• B. Feed your child whole milk until 2 years of age
• C. Eat at least one fruit or vegetable with each meal
• D. Limit your child's TV watching to 1 to 2 hr per day

Correct answer: D

Rationale: The nurse should instruct parents to limit their child�s TV watching to 1 to 2 hours per day to prevent childhood obesity.

3. A nurse assesses a male patient who has developed gynecomastia while receiving treatment for peptic ulcers. Which medication from the patient�s history should the nurse recognize as a contributing factor?

• A. Amoxicillin (Amoxil)
• B. Cimetidine (Tagamet)
• C. Metronidazole (Flagyl)
• D. Omeprazole (Prilosec)

Correct answer: B

Rationale: Cimetidine binds to androgen receptors, producing receptor blockade, which can cause enlarged breast tissue, reduced libido, and impotence. All these effects reverse when dosing stops. Amoxicillin, metronidazole, and omeprazole are not associated with gynecomastia.

4. When educating a parent of a child with HIV, which statement indicates an understanding of the teaching?

• A. I will notify my child's school about their condition.
• B. I will give my child the prescribed antiretroviral medication at regular intervals.
• C. I will expect my child to receive yearly immunizations.
• D. I will bring my child in for yearly skin testing.

Correct answer: B

Rationale: The correct answer is B because ensuring the child receives the prescribed antiretroviral medication at regular intervals is crucial in maintaining therapeutic levels and preventing drug resistance in a child with HIV. Choices A, C, and D are incorrect because notifying the school about the condition, expecting yearly immunizations, and bringing the child in for yearly skin testing do not directly address the essential aspect of medication adherence, which is fundamental in managing HIV in children.

5. The healthcare provider is assessing an infant brought to the clinic due to diarrhea. The infant is alert but has dry mucous membranes. Which additional assessment data indicates to the healthcare provider that the infant is experiencing an early to moderate stage of dehydration?

• A. Bradycardia
• B. Tachycardia
• C. Increased blood pressure
• D. Normal fontanels

Correct answer: B

Rationale: Tachycardia is a common early sign of dehydration in infants, especially when presenting with dry mucous membranes and diarrhea. The increased heart rate is the body's compensatory mechanism to maintain cardiac output in response to dehydration. Bradycardia, increased blood pressure, and normal fontanels are not typically associated with early to moderate dehydration in infants.

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