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: C

Rationale: The oral mucosa and conjunctivae are the best places to observe petechiae in dark-skinned individuals because these areas have less pigmentation.

Correct Answer: D

Rationale: The nurse should explain that a topical anesthetic can be applied to the injection site before the immunization to reduce discomfort.

Correct Answer: C

Rationale: By 3 to 4 months of age, an infant should be able to fix on and follow a target, indicating proper visual development.

Correct Answer: C

Rationale: The most appropriate action is to assist the child back to their room for the treatment but reassure them that they may return when the procedure is completed. This approach ensures that the child receives the necessary treatment while also acknowledging their desire to continue playing in the playroom. Choice A is incorrect because it suggests moving the child to the room and asking the child-life specialist to bring toys, which may not be necessary. Choice B is incorrect as rescheduling the treatment may not be in the best interest of the child's health. Choice D is incorrect as the nurse should guide the child back to their room for the treatment.