ABO Exam Prep 1 Anatomy and physiology Questions & Answers

ABO Exam Prep 1 Anatomy and
physiology12

The extraocular muscles are inserted into the sclera and serve to rotate the eye in all possible
directions. There are _____ of these muscles in each eye.



a. two

b. four

c. six

d. eight - ANSWERS-c. six



The fibrous tunic is comprised of the:



a. Iris and choroid

b. sclera, cornea, and limbus

c. Iris, ciliary body and choroid

d. retina and optic disk - ANSWERS-b. sclera, cornea and limbus



Fusion occurs:

a. in the brain

b. in the optic chiasm

c. at the retina

d. in the fovea centralis - ANSWERS-a. in the brain



The aqueous fluid is continually being produced by:

, a. the Iris

b. the crystalline lens

c. the ciliary body

d. the choroid - ANSWERS-c. the ciliary body



The ability of the eye to bring objects of varying distances to focus on the retina is know as:

a. presbyopia

b. esophoria

c. accommodation

d. fusion - ANSWERS-c. accommodation



When accommodation is at rest, rays of light from a distant source come to focus in front of the
retina. This condition is known as:

a. hyperopia

b. myopia

c. presbyopia

d. amblyopia - ANSWERS-b. myopia



When accommodation is at rest, rays of light from a distant source come to focus behind the
retina. This condition is known as:

a. hyperopia

b. myopia

c. presbyopia

c. amblyopia - ANSWERS-a. hyperopia



Impulses are carried from the retina to the brain along the:

a. optic nerve