Question 1

Color blindness is tested using________ .

Accepted Answer

A)  Ishihara plates
B)  a Snellen eye chart
C)  sudden illumination of the retina
D)  a chart of lines radiating out from a white circleE) C) and D)
F) B) and D)

Question 2

The results of a test of visual acuity are 20/15. This individual _________.

Accepted Answer

A)  has normal vision
B)  has better than normal vision
C)  needs glasses for farsightedness
D)  needs glasses for nearsightednessE) A) and B)
F) C) and D)

Question 3

Astigmatism _________ .

Accepted Answer

A)  results from a slight elongation of the eyeball
B)  results from irregular curvatures of the lens or cornea
C)  literally means "old vision"
D)  is a decline in visual acuityE) A) and D)
F) None of the above B

Question 4

The normal, or ________, eye accommodates properly.

Accepted Answer

A)  hyperopic
B)  emmetropic
C)  myopicD) All of the above
E) B) and C)

Question 5

This type of examination allows one to study the interior of the eyeball.

Accepted Answer

A)  an ophthalmoscopic examination
B)  visual observation
C)  observation of the eyeball through a hand- held magnifying lens
D)  an examination using a rheostatE) A) and D)
F) All of the above

Question 6

Testing of these reflexes can provide information about cranial nerves that carry autonomic fibers.

Accepted Answer

A)  photopupillary
B)  convergence
C)  accommodation pupillary
D)  photopupillary and accommodation pupillaryE) All of the above
F) None of the above

Question 7

Many older individuals develop presbyopia, a condition in which________ .

Accepted Answer

A)  the lens loses elasticity and can no longer focus for distant vision, and visual acuity declines
B)  the lens loses elasticity and can no longer focus for distant vision
C)  the near point of accommodation becomes further away
D)  visual acuity declinesE) A) and D)
F) B) and D)

Question 8

This reflex involves extrinsic eye muscles, and is controlled by the somatic nervous system.

Accepted Answer

A)  photopupillary
B)  convergence
C)  accommodation pupillaryD) B) and C)
E) A) and B)

Question 9

Individuals who are nearsighted, or ________, see close objects clearly, but see distant objects as blurry.

Accepted Answer

A)  myopic
B)  emmetropic
C)  hyperopicD) B) and C)
E) A) and C)

Question 10

The image formed on the retina as light passes through the eye is reversed left to right, inverted, and smaller than the object. It is called a _________ image.

Accepted Answer

A)  refracted
B)  real
C)  reversedD) A) and B)
E) A) and C) B

Question 11

Binocular vision ________.

Accepted Answer

A)  provides a panoramic field of view
B)  allows an animal to see in two different directions
C)  is present in horses and rabbits
D)  provides depth perception (three- dimensional vision) E) None of the above
F) All of the above D

Exam 24: Special Senses: Visual Tests and Experiments

Color blindness is tested using________ .

Correct Answer
verified

The results of a test of visual acuity are 20/15. This individual _________.

Correct Answer
verified

Astigmatism _________ .

Correct Answer
verified
B

The normal, or ________, eye accommodates properly.

Correct Answer
verified

This type of examination allows one to study the interior of the eyeball.

Correct Answer
verified

Testing of these reflexes can provide information about cranial nerves that carry autonomic fibers.

Correct Answer
verified

Many older individuals develop presbyopia, a condition in which________ .

Correct Answer
verified

This reflex involves extrinsic eye muscles, and is controlled by the somatic nervous system.

Correct Answer
verified

Individuals who are nearsighted, or ________, see close objects clearly, but see distant objects as blurry.

Correct Answer
verified

The image formed on the retina as light passes through the eye is reversed left to right, inverted, and smaller than the object. It is called a _________ image.

Correct Answer
verified
B

Binocular vision ________.

Correct Answer
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D

Exam 24: Special Senses: Visual Tests and Experiments

Color blindness is tested using________ .

Correct AnswerverifiedShow Answer

The results of a test of visual acuity are 20/15. This individual _________.

Correct AnswerverifiedShow Answer

Astigmatism _________ .

Correct AnswerverifiedB

The normal, or ________, eye accommodates properly.

Correct AnswerverifiedShow Answer

This type of examination allows one to study the interior of the eyeball.

Correct AnswerverifiedShow Answer

Testing of these reflexes can provide information about cranial nerves that carry autonomic fibers.

Correct AnswerverifiedShow Answer

Many older individuals develop presbyopia, a condition in which________ .

Correct AnswerverifiedShow Answer

This reflex involves extrinsic eye muscles, and is controlled by the somatic nervous system.

Correct AnswerverifiedShow Answer

Individuals who are nearsighted, or ________, see close objects clearly, but see distant objects as blurry.

Correct AnswerverifiedShow Answer

The image formed on the retina as light passes through the eye is reversed left to right, inverted, and smaller than the object. It is called a _________ image.

Correct AnswerverifiedB

Binocular vision ________.

Correct AnswerverifiedD

Correct Answer
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Correct Answer
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Correct Answer
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B

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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B

Correct Answer
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D