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 patient in the emergency department reports taking sildenafil (Viagra) and nitroglycerin 1 hr before sexual activity. Which finding should the nurse immediately report to the physician?

• A. WBC of 3200 cells/mm³
• B. RR of 26 breaths/min
• C. Temp of 38°C
• D. BP of 70/50

Correct answer: D

Rationale: The correct answer is D: BP of 70/50. When sildenafil (Viagra) is taken with nitroglycerin, it can cause severe hypotension that is unresponsive to treatment. The combination of these medications can lead to a dangerous drop in blood pressure. It is crucial to immediately report hypotension in this scenario as it poses a significant risk to the patient's life. It is recommended to allow at least 24 hours to elapse between the last dose of sildenafil and nitroglycerin to prevent such adverse effects. The other vital signs and lab values may be abnormal but do not have the immediate life-threatening implications that severe hypotension does in this context.

3. Which is the appropriate intervention when providing care to a child diagnosed with nephrotic syndrome, who is edematous and on bed rest?

• A. Monitor blood pressure every 30 minutes.
• B. Reposition every 2 hours.
• C. Limit visitors.
• D. Encourage fluids.

Correct answer: B

Rationale: Repositioning every 2 hours is crucial in preventing skin breakdown in an edematous child on bed rest. This intervention helps redistribute pressure and maintain skin integrity, reducing the risk of pressure ulcers. It is an essential part of care for patients with limited mobility to ensure their comfort and prevent complications related to immobility.

4. Which assessment finding for a 4-month-old infant would require further action by the nurse?

• A. The posterior fontanel is open.
• B. The infant has good head control when held upright.
• C. The infant is able to roll only from abdomen to back.
• D. The anterior fontanel is open and soft.

Correct answer: A

Rationale: The correct answer is A. The posterior fontanel should be closed by 4 months of age. An open posterior fontanel at this age may indicate a delay in normal closure, which could be a cause for concern and require further evaluation by the healthcare provider to ensure proper development and growth. Choices B, C, and D are typical developmental milestones for a 4-month-old infant and do not raise immediate concerns requiring further action by the nurse.

5. How would you best evaluate the clinical usefulness of a test?

• A. Decide on using a single test for all clients and families
• B. Consider what needs to be collected and discuss with colleagues
• C. Ask the family for a test suggestion
• D. Read the statistical methods used to validate the scores

Correct answer: B

Rationale: When evaluating the clinical usefulness of a test, the best approach is to consider what specific information needs to be collected based on the clients' needs. Discussing these considerations with colleagues helps in ensuring that the chosen test is appropriate and beneficial for the individuals being assessed. Choice A is incorrect as using a single test for all clients may not account for individual differences. Choice C is incorrect as the family's suggestion alone may not align with clinical needs. Choice D is incorrect as understanding statistical methods alone may not fully capture the clinical utility of a test.

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