A doctor asks her patient to follow the motion of her finger as she moves it up and down, left and right. Which of the following cranial nerves is not being tested?
A) the vestibulocochlear nerve (VIII)
B) the oculomotor nerve (III)
C) the trochlear nerve (IV)
D) the abducens (VI)

Question

Quizplus · Accepted Answer

Moving a finger up and down or left and right tests the function of the oculomotor nerve (III), trochlear nerve (IV), and abducens (VI) which control eye movements. The vestibulocochlear nerve (VIII) is responsible for hearing and balance and is not involved in this test.

A Doctor Asks Her Patient to Follow the Motion of Her