ATI RN Nursing Care of Children 2019 | Nurselytic

Correct Answer: B

Rationale: The correct answer is B: The child has symmetrical jaw strength when biting down. This finding indicates proper functioning of the child's trigeminal nerve (cranial nerve V). The trigeminal nerve is responsible for motor function of the muscles of mastication, including biting down. Symmetrical jaw strength suggests both sides of the jaw muscles are innervated equally, indicating intact trigeminal nerve function.
Incorrect choices:
A: The child maintains balance when standing with eyes closed - This tests the vestibulocochlear nerve (cranial nerve VIII) involved in balance.
C: The child exhibits a gag reflex when stimulated with a tongue blade - This tests the glossopharyngeal nerve (cranial nerve IX) involved in the gag reflex.
D: The child correctly identifies specific scents - This tests the olfactory nerve (cranial nerve I) involved in the sense of smell.

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