ABO NOCE Basic Opticianry Ocular Anatomy and Physiology 2

Question 1

Which layer of the retina contains the photoreceptor cells (rods and cones)?

Accepted Answer

Outer nuclear layer

Answer

Ganglion cell layer

Answer

Inner nuclear layer

Answer

Nerve fiber layer

Question 2

The aqueous humor is produced by which ocular structure?

Accepted Answer

Ciliary body

Answer

Trabecular meshwork

Answer

Choroid

Answer

Iris

Question 3

What is the approximate axial length of the average adult human eye?

Accepted Answer

24 mm

Answer

18 mm

Answer

20 mm

Answer

28 mm

Question 4

Which cells in the retina are responsible for color vision?

Accepted Answer

Cones

Answer

Rods

Answer

Bipolar cells

Answer

Amacrine cells

Question 5

The ora serrata marks the junction between which two ocular structures?

Accepted Answer

Retina and pars plana

Answer

Cornea and sclera

Answer

Iris and ciliary body

Answer

Choroid and sclera

Question 6

Which cranial nerve is responsible for carrying visual information from the retina to the brain?

Accepted Answer

Cranial nerve II

Answer

Cranial nerve III

Answer

Cranial nerve IV

Answer

Cranial nerve VI

Question 7

What structure regulates the amount of light entering the eye?

Accepted Answer

Iris

Answer

Cornea

Answer

Lens

Answer

Retina