Cranial nerve XII may be assessed in an infant by
A)watching the infant's facial expressions when crying.
B)observing the infant suck and swallow.
C)clapping hands and watching the infant blink.
D)observing the infant's rooting reflex.
E)checking the infant's gag reflex.

Question

Quizplus · Accepted Answer

Cranial nerve (CN) XII may be assessed in an infant by observing the infant suck and swallow and by pinching the nose and then observing for the mouth to open and the tip of the tongue to rise in a midline position. Watching the infant's facial expressions when crying assesses CN VII, clapping hands and watching the infant blink tests CN VIII, and observing the rooting reflex assesses CN V. A gag reflex assesses CN IX and X.

Cranial Nerve XII May Be Assessed in an Infant by