Question 1

Color blindness is tested using _ .

Accepted Answer

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

Question 2

Astigmatism .

Accepted Answer

A)  literally means "old vision" 
B)  is a decline in visual acuity 
C)  results from irregular curvatures of the lens or cornea 
D)  results from a slight elongation of the eyeball 
A)  literally means "old vision" 
B)  is a decline in visual acuity 
C)  results from irregular curvatures of the lens or cornea 
D)  results from a slight elongation of the eyeball C

Question 3

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

Accepted Answer

A)  photopupillary 
B)  convergence 
C)  accommodation pupillary 
A)  photopupillary 
B)  convergence 
C)  accommodation pupillary B

Question 4

Binocular vision .

Accepted Answer

A)  provides depth perception (three-dimensional vision) 
B)  is present in horses and rabbits 
C)  allows an animal to see in two different directions 
D)  provides a panoramic field of view 
A)  provides depth perception (three-dimensional vision) 
B)  is present in horses and rabbits 
C)  allows an animal to see in two different directions 
D)  provides a panoramic field of view

Question 5

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

Accepted Answer

A)  needs glasses for nearsightedness 
B)  has better than normal vision 
C)  has normal vision 
D)  needs glasses for farsightedness 
A)  needs glasses for nearsightedness 
B)  has better than normal vision 
C)  has normal vision 
D)  needs glasses for farsightedness

Question 6

The three types of cone cells absorb _, , and wavelength of light.

Accepted Answer

A)  red, blue, green 
B)  red, yellow, purple 
C)  red, yellow, blue 
D)  red, blue, yellow 
A)  red, blue, green 
B)  red, yellow, purple 
C)  red, yellow, blue 
D)  red, blue, yellow

Question 7

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

Accepted Answer

A)  an examination using a rheostat 
B)  an ophthalmoscopic examination 
C)  visual observation 
D)  observation of the eyeball through a hand-held magnifying lens 
A)  an examination using a rheostat 
B)  an ophthalmoscopic examination 
C)  visual observation 
D)  observation of the eyeball through a hand-held magnifying lens

Question 8

The normal, or , eye accommodates properly.

Accepted Answer

A)  hyperopic 
B)  emmetropic 
C)  myopic 
A)  hyperopic 
B)  emmetropic 
C)  myopic

Question 9

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

Question 10

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

Accepted Answer

A)  hyperopic 
B)  emmetropic 
C)  myopic 
A)  hyperopic 
B)  emmetropic 
C)  myopic

Question 11

In a person with myopia (nearsightedness), light from a distant object is brought to a focal point _.

Accepted Answer

A)  on the retina 
B)  behind the retina 
C)  in front of the retina 
A)  on the retina 
B)  behind the retina 
C)  in front of the retina

Question 12

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)  reversed 
A)  refracted 
B)  real 
C)  reversed

Question 13

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

Accepted Answer

A)  convergence 
B)  photopupillary 
C)  photopupillary and accommodation pupillary 
D)  accommodation pupillary 
A)  convergence 
B)  photopupillary 
C)  photopupillary and accommodation pupillary 
D)  accommodation pupillary

Exam 24: Special Senses: Visual Tests and Experiments

Color blindness is tested using _ .

Astigmatism .

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

Binocular vision .

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

The three types of cone cells absorb _, , and wavelength of light.

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

The normal, or , eye accommodates properly.

Many older individuals develop presbyopia, a condition in which _ .

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

In a person with myopia (nearsightedness), light from a distant object is brought to a focal point _.

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.

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

The Language of Anatomy

Organ Systems Overview

The Microscope

The Cell: Anatomy and Division

The Cell: Transport Mechanisms and Cell Permeability

Classification of Tissues

The Integumentary System

Overview of the Skeleton: Classification and Structure of Bones and Cartilages

The Axial Skeleton

The Appendicular Skeleton

Articulations and Body Movements

Microscopic Anatomy and Organization of Skeletal Muscle

Gross Anatomy of Muscular System

Skeletal Muscle Physiology: Frogs and Human Subjects

Histology of Nervous Tissue

Neurophysiology of Nerve Impulses: Frog Subjects

Gross Anatomy of the Brain and Cranial Nerves

Electroencephalography

The Spinal Cord and Spinal Nerves

The Autonomic Nervous System

Human Reflex Physiology

General Sensation

Special Senses: Anatomy of the Visual System

Special Senses: Hearing and Equilibrium

Special Senses: Olfaction and Taste

Functional Anatomy of the Endocrine Glands

Endocrine Wet Labs and Human Metabolism

Blood

Anatomy of the Heart

Conduction System of the Heart and Electrocardiography

Anatomy of Blood Vessels

Human Cardiovascular Physiology: Blood Pressure and Pulse Determinations

Frog Cardiovascular Physiology

The Lymphatic System and Immune Response

Anatomy of the Respiratory System

Respiratory System Physiology

Anatomy of the Digestive System

Digestive System Processes: Chemical and Physical

Anatomy of the Urinary System

Urinalysis

Anatomy of the Reproductive System

Physiology of Reproduction: Gametogenesis and the Female Cycles

Survey of Embryonic Development

Principles of Heredity

Surface Anatomy Roundup

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