Nerves

Question 1

What branches does the facial nerve split into?

Answer 1

temporal
zygomatic
buccal
mandibular
cervical

Question 2

Where does the cranial portion of the facial nerve enter the skull

Answer 2

At internal acoustic meatus

Question 3

What does chorda tympani do

Answer 3

Joins the lingual nerve to pick up special sensory information from anterior 2/3 tongue
Carries parasymp innervation to lacrimal, submandibular and sublingual glands

Question 4

What nerve supplies all the muscles of the tongue except palatoglossus

Answer 4

Hypoglossal nerve

Question 5

What supplies the palatoglossus

Answer 5

Vagus nerve

Question 6

What innervates the muscles of the soft palate + pharynx

Answer 6

Pharyngeal plexus of CNX except tensor veli palitini (V3)

All muscles of the pharynX are innervated by CNX. Apart from the STYLOpharyngeus which is GLOSSopharyngeal

Question 7

What is the sensory innervation of the gag reflex

Answer 7

Glossopharyngeal CNIX

Question 8

What is the motor innervation of the gag reflex

Answer 8

CN IX, X, XII, V3

Question 9

Where does the vestibulocochlear nerve and facial nerve exit the skull?

Answer 9

Internal acoustic meatus

Question 10

What nerves exit at the jugular foramen

Answer 10

Glossopharyngeal, vagus and accessory nerve and internal jugular vein

Question 11

What exits at the foramen rotundum

Answer 11

Maxillary division of trigmeminal

Question 12

What is the thinnest part of the skull commonly fractured

Answer 12

Pterion: where frontal, sphenoid, temporal and parietal bones meet

Question 13

What provides parasymp innervation to the parotid gland

Answer 13

Auriculotemporal branch of mandibular of trigeminal

Question 14

What are the primary muscles of mastication?

Answer 14

Masseter. Temporalis. Lateral pterygoid. Medial pterygoid

Question 15

Where are meiobomiam glands found

Answer 15

Tarsal plates (sebaceous glands)

Question 16

What does the accessory nerve innervate

Answer 16

Sternocleidomastoid and trapezius muscles runs in the posterior triangle of the neck

Question 17

What nerves run in the cavernous sinus

Answer 17

CN 3,4,5,6

Question 18

What part of the ethmoid bone transmits CN1

Answer 18

Cribiform plate

Question 19

What CN supplies muscles of the tongue

Answer 19

Hypoglossal apart from palatoglossus (vagus)

Question 20

What is the autonomic nerve supply to the parotid gland

Answer 20

Lesser petrosal - branch of glossopharyngeal

Question 21

What does the tensor tympani do and its nerve supply

Answer 21

Reduces sound while chewing, Attaches to malleus, CN V3

Question 22

What does the stapedius muscle do and its nerve supply

Answer 22

Dampens sound received by the stapes, Attaches to stapes, facial nerve

Question 23

Sensory innervation of naso/oropharynx

Answer 23

CN IX

Question 24

Sensory innervation of laryngopharynx

Answer 24

CN X

Question 25

Semicircular canals detect ___ change in movement

Answer 25

Angular

Question 26

Urticle and saccule detect ___ change in movement

Answer 26

Horizontal/vertical

Question 27

Branchial cysts are commonly from which arch

Answer 27

2nd

Question 28

What supplies all the intrinsic muscles of the larynx

Answer 28

Recurrent laryngeal nerve except the cricothyroid