A student nurse is observing a neurological nurse perform an assessment. When the nurse asks the client to stick out his tongue ? the nurse is assessing the function of which cranial nerve?

The XII hypoglossal cranial nerve deals with the function of the tongue and its movement. Clients can exhibit weakness and deviation with impairment of this cranial nerve. Answers A B and C are not tested by this procedure. Cranial nerve I is involved with smelling cranial nerve II is involved with visual function and cranial nerve X deals with the gag reflex.

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