ATI Nursing Care of Children

Correct Answer: D

Rationale: Upper arm circumference correlates best with total muscle mass because it includes both muscle and fat components, making it a reliable indicator of muscle mass.

Correct Answer: B

Rationale: The correct intervention to maintain the skin integrity of a preterm infant born at 30 weeks is to bathe the infant with sterile water. Bathing with sterile water or a neutral pH solution is recommended to protect the delicate skin of preterm infants, which is more permeable and prone to damage. Choices A, C, and D are incorrect as avoiding cleaning the skin may lead to hygiene issues, cleansing with alkaline-based soap can be harsh on the delicate skin, and thoroughly rinsing with plain water after bathing may not be as gentle and protective for preterm infants.

Correct Answer: C

Rationale: PCA pumps are designed to deliver both a continuous baseline dose and patient-activated bolus doses, which can help manage pain effectively while minimizing the risk of overdose.

Correct Answer: C

Rationale: A diet rich in vegetables, legumes, and starches can provide sufficient amino acids, particularly when complemented with varied food sources to ensure a balanced intake of essential nutrients.

Correct Answer: B

Rationale: Opisthotonos with pain on flexion is a sign of possible meningitis or other serious neurological conditions, requiring immediate medical evaluation.