Site MapHelpFeedbackMultiple Choice Quiz
Multiple Choice Quiz
(See related pages)

1
Light is a good stimulus for a sensory system because:
A)it travels very quickly
B)it travels in predictable paths
C)it exists in abundance
D)all of the above
2
Inverse optics is:
A)the process by which the visual system develops descriptions of objects from the pattern of light on the retina
B)the process by which the visual system un-inverts the retinal image
C)the practice by which eye doctors correct optical deficiencies
D)the fact that evolution placed the photoreceptors beneath the rest of the retina
3
As a rule ________ animals have _______-placed eyes which _________ binocular overlap.
A)prey; frontally; maximize
B)predator; frontally; minimize
C)prey; laterally; maximize
D)predator; frontally; maximize
4
We move our eyes because:
A)our field of view is limited by the nose
B)our retinas do not have uniform visual acuity
C)otherwise our visual acuity would be degraded by jitter
D)of all of the above
5
If the superior and lateral rectus muscles of the right eye were to contract at the same time, the eye would move:
A)up and to the left
B)up and to the right
C)down and to the left
D)down and to the right
6
The oblique muscles of the eye are responsible for which kinds of eye movements?
A)conjunctive
B)vergence
C)torsional
D)transverse
7
Blink suppression is demonstrated by the:
A)noticeable blackout during a blink
B)increase in the number of blinks in social situations
C)reduced ability to notice a change in the brightness of a light during a blink
D)decrease in the size of the opening of the lids with reduced interest
8
Tears protect the surface of the eye by:
A)flushing away debris
B)minimizing lid movement
C)containing an antimicrobial agent
D)both a and c
9
Which of these is NOT a layer of the eye?
A)vascular tunic
B)fibrous tunic
C)vitreous tunic
D)retina
10
The anterior chamber of the eye is between the _______ and the _______.
A)vitreous chamber; lens
B)cornea; iris
C)optic disc; fovea
D)pupil; vitreous chamber
11
The choroid serves to:
A)nourish the photoreceptors
B)focus the image on the retina
C)maintain the shape of the eyeball
D)control the amount of light entering the eye
12
When the pupil contracts, the intensity of light on the retina ________ and the depth of field ________.
A)increases; increases
B)increases; decreases
C)decreases; increases
D)decreases; decreases
13
The crystalline lens is primarily responsible for:
A)most of the eye's optical power
B)accommodation
C)controlling the depth of field
D)filtering debris from the anterior chamber
14
Glaucoma is caused by:
A)increased intraocular pressure
B)yellowing of the crystalline lens
C)hardening of the crystalline lens
D)a misshapen cornea
15
Which of these is NOT a retinal cell type?
A)photoreceptor
B)amacrine
C)basket
D)horizontal
16
An eyeball that is too short for its optics is:
A)hyperopic
B)myopic
C)emmetropic
D)astigmatic
17
Myopia can be corrected using what kind of lens?
A)convex
B)concave
C)asymmetrical
D)inverted
18
Which of these statements about the fovea is FALSE?
A)The structures overlying the photoreceptors have been pushed to the side.
B)There are virtually no rods inside of it.
C)It sits in the middle of the macula.
D)It is where the retinal ganglion cells axons exit the eye.
19
Most of the ________ cones are found in the ___________ of the retina.
A)5 million; periphery
B)5 million; fovea
C)100 million; periphery
D)100 million; fovea
20
The process by which light is converted into nerve cell activity is called:
A)phototransduction
B)photopigmentation
C)phototransmission
D)photoconjunction





To learn more about the book this website supports, please visit its Information Center.
(c)2006 McGraw-Hill Higher Education
Any use is subject to the Terms of Use and Privacy Notice.
McGraw-Hill Higher Education is one of the many fine businesses of The McGraw-Hill Companies.


PerceptionOnline Learning Center

Home > Chapter 2 > Multiple Choice Quiz