Superficial structures of the Head

Question 1

Muscles of facial expression develop from ___ and are innervated by ___

Answer 1

Develop from 2nd pharygneal arch

Innervated by facial nerve

Question 2

General efferents to the muscles of facial expression are

Answer 2

Parotid plexus, formed by the facial nerve

Question 3

General afferents of the face are cutaneous terminal branches of

Answer 3

Trigeminal nerve

Spinal nerves (cervical plexus and dorsal ramus of C2)

Question 4

Facial nerve gives off nerves to

Answer 4

Posterior auricular muscle and

posterior belly of digastric and

sylohyoid muscle

Question 5

What are the nerves of the facial plexus?

Answer 5

Temporal

Zygomatic

Buccal

Mandibular

Cervical

Question 6

Bell’s palsy is caused by

Answer 6

Compression of the facial nerve in the facial canal of the temporal bone

Question 7

What nerve is the cause of tension headaches?

Answer 7

Greater occipital nerve (dorsal ramus of C2)

Question 8

V1 exits the cranial cavity via ___ and exits onto ___

Answer 8

Exits: superior orbital fissure

Exits onto: forehead and dorsum of nose

Question 9

V2 exits cranial cavity via ___ and exits onto midface via ___

Answer 9

Cranial cavity: foramen rotundum

Midface: infraorbital foramen

Question 10

V3 exits cranial cavity via __ and terminal branches exit onto the chin, cheek, and temple via ___

Answer 10

Cranial cavity: foramen ovale

Chin: mental foramen

Question 11

Branches of the opthalmic nerve (V1)

Answer 11

Supraorbital nerve

Supratorchlear

Lacrimal

Infratrochelar

External nasal

Question 12

Branches of maxillary nerve (V2)

Answer 12

Zygomaticotemporal

Zygomaticofacial

Infraorbital

Question 13

Branches of the mandibular nerve (V3)

Answer 13

Auriculotemporal

Buccal

Mental

Question 14

The superficial temporal artery travels with the

Answer 14

Auriculotemporal nerve

Question 15

The opthalmic artery terminates as the ___ which travels with ___

Answer 15

Terminates as dorsal nasal artery

Travels with infratrochlear nerve

Question 16

___ (3) carry superficial venous blood to deep venous structures: the ___ and ___

Answer 16

Opthalmic, infraoribtal, and deep facial carry superficial venous blood to cavernous sinus and pterygoid venous plexus

Question 17

What structures pierce the buccinator muscle?

Answer 17

Parotid duct

Buccal branch of mandibular nerve

Question 18

What structures pass through the parotid gland?

Answer 18

Parotid plexus of the facial nerve

External carotid artery + branches

Retromandibular vein + tribuatries

Question 19

Parotid gland is innervated by

Answer 19

Auriculotemproal nerve (V3) and great auricular nerve (cervical plexus)

Question 20

VE parasympathethics of the parotid gland (fibers)

Answer 20

Preganglionic parasympathethic fibers from glossopharygneal nerve synapse in otic ganglion

Postganglionic fibers are distributed to the parotid gland via auriculotemporal nerve

Question 21

VE parasympatehthics of the parotid gland stimulates

Answer 21

Thin, watery saliva

Question 22

VE sympathethics of the parotid gland are carried on

Answer 22

External carotid artery

Question 23

VE sympatehthics of the parotid gland stimulates

Answer 23

Thick saliva, decreased salivation

Question 24

Which form of innervation of the parotid gland is vasomotor?

Answer 24

VE sympathethics

Question 25

Mumps is caused by

Answer 25

Infection of the parotid gland

Question 26

Sialolith is

Answer 26

Calcified deposit in the parotid duct