ABO Exam (Anatomy and Physiology) with all Correct &
100% Verified Answers |Actual Complete Update |
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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 ✔Correct Answer-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 ✔Correct Answer-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 ✔Correct Answer-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 ✔Correct Answer-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 ✔Correct Answer-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 ✔Correct Answer-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 ✔Correct Answer-a. hyperopia
Impulses are carried from the retina to the brain along the:
a. optic nerve
b. ora serrata
c. ciliary body
d. fovea centralis ✔Correct Answer-a. optic nerve
While reading, or performing other near vision tasks:
1. the pupils constrict
2. the eyes converge
3. the crystalline lens accommodates
4. the stroma contracts
a. 1 and 2
b. 2 and 3
c. 1, 2 and 3
d. 2, 3 and 4 ✔Correct Answer-c. 1, 2 and 3
The area of the retina capable of perceiving the greatest amount of detail is:
a. macula
b. fovea centralis
c. ora serrata
d. rods ✔Correct Answer-b. fovea centralis
The average cornea has a refractive power of approximately:
a. 14 diopters
b. 23 diopters
c. 43 diopters
d. 63 diopters ✔Correct Answer-c. 43 diopters
The layer of the cornea which is highly regenerative is:
a. the stroma
b. the endothelium
c. Bowman's membrane
100% Verified Answers |Actual Complete Update |
Already Graded A+
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 ✔Correct Answer-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 ✔Correct Answer-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 ✔Correct Answer-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 ✔Correct Answer-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 ✔Correct Answer-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 ✔Correct Answer-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 ✔Correct Answer-a. hyperopia
Impulses are carried from the retina to the brain along the:
a. optic nerve
b. ora serrata
c. ciliary body
d. fovea centralis ✔Correct Answer-a. optic nerve
While reading, or performing other near vision tasks:
1. the pupils constrict
2. the eyes converge
3. the crystalline lens accommodates
4. the stroma contracts
a. 1 and 2
b. 2 and 3
c. 1, 2 and 3
d. 2, 3 and 4 ✔Correct Answer-c. 1, 2 and 3
The area of the retina capable of perceiving the greatest amount of detail is:
a. macula
b. fovea centralis
c. ora serrata
d. rods ✔Correct Answer-b. fovea centralis
The average cornea has a refractive power of approximately:
a. 14 diopters
b. 23 diopters
c. 43 diopters
d. 63 diopters ✔Correct Answer-c. 43 diopters
The layer of the cornea which is highly regenerative is:
a. the stroma
b. the endothelium
c. Bowman's membrane
