Week 3 Wet Room - Stations 1, 2 and 3

Question 1

3 holes of the orbit

Answer 1

optic foramen
superior orbital fissure
inferior orbital fissure

Question 2

what passes through the optic foramen

Answer 2

optic nerve and opthalmic artery

Question 3

what passes through the superior orbital fissure

Answer 3

CN III, IV, VI
opthalmic nerve (V1)
opthalmic veins

Question 4

inferior orbital fissure

Answer 4

zygomatic branch of V2

Question 5

what hole do the opthalmic veins pass through

Answer 5

the superior orbital fissure

Question 6

7 bones that make the orbit

Answer 6

frontal, zygomatic, maxillary, sphenoid, palatine, ethmoid, lacrimal

Question 7

which layers of the eye are incomplete

Answer 7

vascular layer and retina

Question 8

division of the eye

Answer 8

anterior segment
- anterior chamber
- posterior chamber
posterior segment

Question 9

what is ora serrata

Answer 9

junction between the photosensitive retina and vascular choroid

Question 10

what produces aqueous humor

Answer 10

ciliary bodies

Question 11

what is the only eye muscle not arise from the posterior aspect of the orbit

Answer 11

inferior rectus

Question 12

ligaments that prevent over-adduction/abduction of the eye

Answer 12

later and medial check ligaments

Question 13

what is the opthalmic artery a branch off

Answer 13

internal carotid

Question 14

in 6th nerve palsy where does the eye deviate to

Answer 14

downwards and out

Question 15

3 bones of middle ear

Answer 15

malleus, incus and stapes

Question 16

which ossicle is the shape of a horse stirrup

Answer 16

stapes

Question 17

which ossicle is in contact with the tympanic membrane

Answer 17

malleus

Question 18

what membrane do you see when looking in the ear

Answer 18

the tympanic membrane

Question 19

what does the stapes connect to

Answer 19

oval window

Question 20

muscle that attaches to the malleus and its function

Answer 20

tensor tympani - tighten the tympanic membrane to reduce the amplitude of vibrations

Question 21

muscle that attaches to the stapes and its function

Answer 21

stapedius - tense oval window to reduce oscillation (again dampen loud sounds)

Question 22

two muscle of the middle ear

Answer 22

stapedius and tensor tympani

Question 23

which bone does the middle and inner ear lie in

Answer 23

petrous part of the temporal bone

Question 24

joints between ear ossicles

Answer 24

synovial

Question 25

where is perilymph

Answer 25

in the bony labryrinth

Question 26

where is endolymph

Answer 26

in the membranous labyrinth

Question 27

entry and exit of facial nerve through temporal bone

Answer 27

internal acoustic meatus, stylomastoid foramen

Question 28

branch given off by the facial nerve in the middle ear

Answer 28

chorda tympani

Question 29

innervations of chorda tympani

Answer 29

taste on anterior 2/3

Question 30

what supplies the taste to posterior 1/3 of the tongue

Answer 30

glossopharyngeal

Question 31

secretomotor innervation for the submandibular and sublingual glands comes from where

Answer 31

the chorda tympani branch of facial nerve