Physiology - Vision 2

Question 1

which artery is the opthalmic artery a branch of

a.central retinal
b.internal carotid
c.posterior communicating
d.anterior cerebral
e.external carotid

Answer 1

b.internal carotid

Question 2

which artery supplies the inner 2/3 of the retina

a. opthalmic artery
b.internal carotid artery
c.central retinal artery
d. external artery

Answer 2

c.central retinal artery

Question 3

which of these arteries is an end artery

a. opthalmic artery
b.internal carotid artery
c.central retinal artery
d. external artery

Answer 3

c.central retinal artery

Question 4

deformation and displacement of what structure is the primary mechanism of glaucomatous optic neuropathy

a.lens
b.iris
c.optic nerve
d.lamina cribosa
e.schlemms canal

Answer 4

d.lamina cribosa

Question 5

what is seen on fundoscopy of raised intracranial pressure

a.papilloedema
b.cotton wool spots
c.neovascularisation

Answer 5

a.papilloedema

optic disc swelling

Question 6

optic disc margins appearing blurred and small haemorrhages present is known as what

a.papilloedema
b.cotton wool spots
c.neovascularisation

Answer 6

a.papilloedema

raised intercranial pressure

Question 7

the cilliary arteries (long posterior, short posterior and anterior) are branches of which artery

a.central retinal
b.internal carotid
c.posterior communicating
d.opthalmic
e.external carotid

Answer 7

d.opthalmic

Question 8

what makes up the uvea

Answer 8

choroid
cilliary body
iris

Question 9

which layer of the retina is neurosensory

a.inner
b.outer

Answer 9

a.inner

Question 10

the transition site between the retina and cilliary body

a.ora serrata
b.medial rectus muscle
c.fovea
d.limbus

Answer 10

a.ora serrata