Neuro A&P- cranial nerves

Question 1

Olfactory

Answer 1

Sensory = smell

Runs through the nasal mucosa

Question 2

Optic

Answer 2

Sensory = light

Question 3

Oculomotor

Answer 3

Movement of the eye up/down in/out

Constriction of the pupil

Question 4

Trochlear

Answer 4

Movement of the eye slightly down and out

Question 5

Trigeminal

Answer 5

MIXED
the sensation of the face, scalp, teeth
Contraction of chewing muscles

Question 6

Abducens

Answer 6

Movement of the eye

Question 7

Facial

Answer 7

MIXED
the sense of taste
contraction of the facial muscles; upper proper & nervous intermedias

Question 8

Vestibulocochlear

Answer 8

Sensory = hearing and equilibrium

Question 9

Glossopharyngeal

Answer 9

MIXED
the sense of taste
contraction of the pharynx
secretion of saliva

Question 10

Vagus

Answer 10

MIXED

both sensation and movement of the heart, lungs, larynx, pharynx, and GI tract

Question 11

Accessory

Answer 11

Contraction of neck and shoulder muscles

Question 12

Hypoglossal

Answer 12

movement of the tongue

Question 13

Pharyngeal branch of the vagus nerve

Answer 13

sensory and motor control of muscles and mucous membranes of the pharynx and soft palate vagus nerve

Question 14

Superior Laryngeal Branch of the vagus nerve

Answer 14

Sensory information from the epiglottis and interior larynx

external motor fibers that innervate the cricothyroid inferior pharyngeal constrictor

Question 15

Recurrent Laryngeal branch of vagus nerve

Answer 15

innervation of mucosa layer of vocal folds and intrinsic muscles of the larynx
the left loops the aortic between the trachea and esophagus