Eyes Flashcards

1
Q

As they extend from the retina to the brain, nerve fibers…

A

from the nasal half of each retina cross to reach the opposite visual cortex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Constriction of the pupil is brought about by contraction of the…

A

circular muscle of the iris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

During accommodation for near vision…

A

the iris dilates and lets in more light

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

In humans, both eyes focus on only one set of objects. This is called

A

binocular vision

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Intraocular pressure is primarily due to the

A

aqueous humor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Most of the refraction of light entering the eye occurs at the

A

cornea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The anterior cavity contains

A

aqueous humor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The blind spot is the area where

A

the optic nerve exits the eye

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

The fibrous tunic is composed of the

A

sclera and cornea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The point of greatest visual acuity is the

A

central fovea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The white of the eye, which gives shape to the eyeball, makes it more rigid, and protects its inner parts is the

A

sclera

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

When entering a dark room on a sunny day, it takes some time to be able to see because

A

it takes time for the retina to rebuild its rhodopsin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which cranial nerve carries visual impulses to the brain?

A

II

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Which of the following is part of the vascular tunic of the eye?

A

choroid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly