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. At what age may an infant close their eyes to bright lights and show improved head control?

• A. 30-33 weeks after conception
• B. 34-36 weeks after conception
• C. Less than 30 weeks after conception
• D. 37-40 weeks after conception

Correct answer: A

Rationale: Around 30-33 weeks after conception, infants usually start closing their eyes in response to bright lights and exhibit enhanced head control. This developmental milestone indicates progress in their visual and motor abilities, reflecting the maturation of their neurological system. As preterm infants continue to grow and develop, they gradually acquire these skills, showcasing the natural progression of their sensory and motor functions.

3. The healthcare provider is planning care for a patient receiving morphine sulfate via a patient-controlled analgesia pump. Which intervention may be required due to a potential adverse effect of this drug?

• A. Administering a cough suppressant
• B. Inserting a Foley catheter
• C. Administering an anti-diarrheal
• D. Monitoring urinary output

Correct answer: B

Rationale: Morphine can lead to urinary retention and urinary hesitancy. If a patient shows signs of bladder distention or inability to void, the healthcare provider should be notified, and urinary catheterization may be necessary. Administering a cough suppressant or an anti-diarrheal is not typically required to address adverse effects of morphine. Liver function tests (LFTs) are not directly related to the potential adverse effects of morphine on the urinary system.

4. When providing teaching to the family of a school-age child with juvenile idiopathic arthritis, which instruction should the nurse include?

• A. Limit the child's movement of the large joints.
• B. Encourage the child to perform independent self-care.
• C. Provide the child with a soft mattress for sleeping.
• D. Schedule a 2-hour daily nap for the child in the afternoon.

Correct answer: B

Rationale: Encouraging the child to perform independent self-care is essential when managing juvenile idiopathic arthritis. This instruction helps minimize pain and stiffness in the child's joints while promoting mobility and independence. It is crucial for the child to learn self-management skills early to cope better with the condition in the long term.

5. A healthcare professional is reviewing the laboratory report of an infant who is receiving treatment for severe dehydration. The professional should identify which of the following laboratory values indicates effectiveness of the current treatment?

• A. Potassium 2.9 mEq/L
• B. Sodium 140 mEq/L
• C. Urine specific gravity 1.035
• D. BUN 25 mg/dL

Correct answer: B

Rationale: A sodium level of 140 mEq/L within the expected reference range indicates effective treatment for dehydration. In dehydration, sodium levels are often elevated, so a normal sodium level suggests that the treatment is helping to restore the electrolyte balance in the infant's body.

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