Head and Neck Anatomy Pre-Practical Lecture

Question 1

what does the ethmoid bone form?

Answer 1

part of the floor of the cranial cavity, part of the lateral wall of the nose and the nasal septum

Question 2

what is a meatus?

Answer 2

the space that lies underneath the projecting concha

Question 3

what does the siphon-ethmoid recess open into?

Answer 3

spenoid sinus?

Question 4

what does the superior meatus open onto?

Answer 4

posterior ethmoid air cells

Question 5

what does the middle meatus open onto?

Answer 5

maxillary sinus
frontal sinus
anterior ethmoidal air cells
middle ethmoidal air cells

Question 6

what does the inferior meatus open onto?

Answer 6

nasolacriimal duct

Question 7

is the temporalis and masseter superficial or deep muscles?

Answer 7

superficial

Question 8

are the pterygoids superficial or deep muscle?

Answer 8

deep

Question 9

muscles of the tongue

Answer 9

genioglossus
styloglossus
hypoglossus
palatoglossus

Question 10

what innervates the muscles of the tongue except palatoglossus?

Answer 10

hypoglossal nerve XII

Question 11

where does the hypoglossal nerve emerge from?

Answer 11

from the Hypoglossal canal and comes in from under (hypo) the tongue

Question 12

action of the genioglossus

Answer 12

protrudes

Question 13

action of the styloglossus

Answer 13

retracts

Question 14

action of the hyoglossus

Answer 14

depresses

Question 15

innervation of the palatoglossus

Answer 15

Pharyngeal Plexus (X)

Question 16

action of the palatoglossus

Answer 16

Is actually a palatal muscle and helps to narrow the oropharynx in
swallowing

Question 17

action of the intrinsic muscles of the tongue

Answer 17

Alter shape of the tongue

Question 18

what are the muscles of the vocal cords innervated by? (except cricothyroid)

Answer 18

recurrent laryngeal nerve

Question 19

what is the cricothyroid innervated by?

Answer 19

superior laryngeal nerve

Question 20

action of the cricothyroid muscle

Answer 20

tenses and elongates the vocal cord

Question 21

what type of muscles are in the pharynx?

Answer 21

circular and longitudinal

Question 22

what innervates the stylopharyngeus?

Answer 22

IX

Question 23

what innervated the pharynx apart from the stylopharyngeus

Answer 23

X