Anatomy

Question 1

CN VII

Answer 1

Facial
Motor to muscles of expression and scalp
Abnormality - des ceased labial seal on left

Question 2

CN IX

Answer 2

Glossopharyngeal
Mediates gag
Abnormality - diminished taste sensation, salvia production, and gag reflex

Question 3

CN X

Answer 3

Vagus
Controls muscles of phonation
Abnormality - vocal fold motion impairment and vocal hoarseness

Question 4

CN XI

Answer 4

Spinal accessory
Motor to neck
Abnormality - Decreased pharyngeal constriction

Question 5

CN XII

Answer 5

Hypoglossal
Inner ares all intrinsic and extrinsic tongue muscles
Abnormality - tongue deviates to the right upon profusion

Question 6

Buccinators

Answer 6

Cheek muscles

Maintains food between molars

Question 7

Orbicularis oris

Answer 7

Pucker

Raise and depress lips

Question 8

Temporalis and masseater

Answer 8

Contracts mandible, opens and closes mouth w

Question 9

Hyloglossus
Genioglossus
Styloglossus
Palatoglossus

Answer 9

Tongue movement

Depressing or elevating or protruding

Question 10

Geniohyoid
Mylohyoid
Anterior diagstric

Answer 10

Forms floor of mouth

Question 11

Uvula

Answer 11

Shortens and raises velum

Question 12

Pharyngeal constrictors

Answer 12

Help with bolus propulsion
Glossopharyngeus
Hypopharyngeus
Stylopharyngeus

Question 13

Cricopharyngeus

Answer 13

Prevents entry of air into esophagus during swallowing

Considered UES

Question 14

Cricothyroid

Answer 14

Adductor of vocal folds

Question 15

Vocalis

Answer 15

Controls vocal cord tensions

Question 16

Cricoarytenoid

Answer 16

Abductor of vocal folds

Question 17

CN V

Answer 17

Trigeminal
Motor to jaw muscles of mastication
Abnormality - poor mastication