Question 1

Which of the following will respond to steady pressure?

Accepted Answer

A)  Hair cells 
B)  Meissnerʹs corpuscles 
C)  Ruffini corpuscles 
D)  Pacinian corpuscles 
E)  Olfactory receptors 
A)  Hair cells 
B)  Meissnerʹs corpuscles 
C)  Ruffini corpuscles 
D)  Pacinian corpuscles 
E)  Olfactory receptors C

Question 2

The strength of a stimulus is indicated by the _________of action potentials.

Accepted Answer

A)  duration 
B)  intensity 
C)  loss 
D)  speed 
E)  frequency 
A)  duration 
B)  intensity 
C)  loss 
D)  speed 
E)  frequency E

Question 3

Vibration of the stirrup against this membrane transmits sound waves into the fluid -filled cochlea.

Accepted Answer

A)  Tectorial membrane 
B)  Basilar membrane 
C)  Oval window 
D)  Tympanic membrane 
E)  Round window 
A)  Tectorial membrane 
B)  Basilar membrane 
C)  Oval window 
D)  Tympanic membrane 
E)  Round window C

Question 4

How do we perceive the pitch of sounds?

Accepted Answer

A)  Different parts of the basilar membrane vibrate in response to different frequencies of sound. 
B)  The tympanic membrane vibrates more strongly at high frequencies. 
C)  Rods vibrate in response to high-frequency sounds and cones respond to low-frequency sounds. 
D)  The pinna swivels in different directions in response to sounds of different frequency. 
E)  The hammer, anvil, and stirrup vibrate at different speeds. 
A)  Different parts of the basilar membrane vibrate in response to different frequencies of sound. 
B)  The tympanic membrane vibrates more strongly at high frequencies. 
C)  Rods vibrate in response to high-frequency sounds and cones respond to low-frequency sounds. 
D)  The pinna swivels in different directions in response to sounds of different frequency. 
E)  The hammer, anvil, and stirrup vibrate at different speeds.

Question 5

In humans, depth perception is possible because

Accepted Answer

A)  the two eyes are necessary for any vision to occur. 
B)  we have two eyes on the sides of our heads. 
C)  the two eyes have overlapping visual fields. 
D)  the two eyes see identical images. 
E)  each of the two eyes ʺseesʺ an entirely different image. 
A)  the two eyes are necessary for any vision to occur. 
B)  we have two eyes on the sides of our heads. 
C)  the two eyes have overlapping visual fields. 
D)  the two eyes see identical images. 
E)  each of the two eyes ʺseesʺ an entirely different image.

Question 6

What is the blind spot, and why does it occur?

Accepted Answer

The blind spot is the location

Question 7

Receptor potentials are_________ the strength of the stimulus.

Accepted Answer

A)  unrelated to 
B)  directly proportional to 
C)  the same regardless of 
D)  much greater than 
E)  inversely proportional to 
A)  unrelated to 
B)  directly proportional to 
C)  the same regardless of 
D)  much greater than 
E)  inversely proportional to

Question 8

A cell specialized to respond to a particular type of stimulus is a

Accepted Answer

A)  saccule. 
B)  sensory receptor. 
C)  corpuscle. 
D)  sensory receiver. 
E)  pinna. 
A)  saccule. 
B)  sensory receptor. 
C)  corpuscle. 
D)  sensory receiver. 
E)  pinna.

Question 9

The many individual light-sensitive subunits in an insectʹs eye are called

Accepted Answer

A)  ommatidia. 
B)  ganglion cells. 
C)  cones. 
D)  corpuscles. 
E)  rods. 
A)  ommatidia. 
B)  ganglion cells. 
C)  cones. 
D)  corpuscles. 
E)  rods.

Question 10

The sense of taste relies on

Accepted Answer

A)  taste buds, olfactory receptors, and nociceptors. 
B)  both taste buds and olfactory receptors. 
C)  olfactory receptors only. 
D)  taste buds, olfactory receptors, and mechanoreceptors. 
E)  taste buds only. 
A)  taste buds, olfactory receptors, and nociceptors. 
B)  both taste buds and olfactory receptors. 
C)  olfactory receptors only. 
D)  taste buds, olfactory receptors, and mechanoreceptors. 
E)  taste buds only.

Question 11

Your friend has trouble distinguishing the color red from the color green. You explain that he is color-deficient because his eyes

Accepted Answer

A)  are too elongated or have a cornea that is too round. 
B)  were damaged by bright sunlight. 
C)  have larger blind spots than normal. 
D)  have rods but no cones. 
E)  do not have the photopigments stimulated by red or green light. 
A)  are too elongated or have a cornea that is too round. 
B)  were damaged by bright sunlight. 
C)  have larger blind spots than normal. 
D)  have rods but no cones. 
E)  do not have the photopigments stimulated by red or green light.

Question 12

The hammer, anvil, and stirrup are located in the

Accepted Answer

A)  auditory canal. 
B)  inner ear. 
C)  cochlea. 
D)  middle ear. 
E)  outer ear. 
A)  auditory canal. 
B)  inner ear. 
C)  cochlea. 
D)  middle ear. 
E)  outer ear.

Question 13

Which of the following has the greatest potential to damage hair cells after prolonged exposure?

Accepted Answer

A)  Two humans talking 
B)  Noise from an urban street 
C)  Noisy restaurant 
D)  A car engine 
E)  MP3 player 
A)  Two humans talking 
B)  Noise from an urban street 
C)  Noisy restaurant 
D)  A car engine 
E)  MP3 player

Question 14

The round shape of the eyeball is maintained by the gel -like

Accepted Answer

A)  iris. 
B)  choroid. 
C)  aqueous humor. 
D)  cornea. 
E)  vitreous humor. 
A)  iris. 
B)  choroid. 
C)  aqueous humor. 
D)  cornea. 
E)  vitreous humor.

Question 15

The threshold of human skin temperature at which cool or cold is perceived as pain is

Accepted Answer

A)  59°F. 
B)  0°F. 
C)  32°F. 
D)  -5°F. 
A)  59°F. 
B)  0°F. 
C)  32°F. 
D)  -5°F.

Question 16

The optic nerve

Accepted Answer

A)  forms a blind spot at the fovea. 
B)  is made up of hair cells. 
C)  connects the two eyes. 
D)  carries action potentials that originate in the retina. 
E)  interprets the action potentials it carries. 
A)  forms a blind spot at the fovea. 
B)  is made up of hair cells. 
C)  connects the two eyes. 
D)  carries action potentials that originate in the retina. 
E)  interprets the action potentials it carries.

Question 17

Cones are specialized to detect which of the following types of stimuli?

Accepted Answer

A)  Taste 
B)  Heat and cold 
C)  Odor 
D)  Light 
E)  Vibration 
A)  Taste 
B)  Heat and cold 
C)  Odor 
D)  Light 
E)  Vibration

Question 18

Ommatidia are found in the compound eyes of

Accepted Answer

A)  flatworms. 
B)  insects. 
C)  mollusks. 
D)  amphibians. 
E)  humans. 
A)  flatworms. 
B)  insects. 
C)  mollusks. 
D)  amphibians. 
E)  humans.

Question 19

Which of these structures can be swiveled around in some animals to better locate a sound?

Accepted Answer

A)  Pinna 
B)  Cochlea 
C)  Hammer 
D)  Anvil 
A)  Pinna 
B)  Cochlea 
C)  Hammer 
D)  Anvil

Question 20

How is the placement of the eyes of a predator different from their placement on its prey?

Accepted Answer

Both eyes of a lion are in the front of

Exam 40: The Senses

Which of the following will respond to steady pressure?

The strength of a stimulus is indicated by the _________of action potentials.

Vibration of the stirrup against this membrane transmits sound waves into the fluid -filled cochlea.

How do we perceive the pitch of sounds?

In humans, depth perception is possible because

What is the blind spot, and why does it occur?

Receptor potentials are_________ the strength of the stimulus.

A cell specialized to respond to a particular type of stimulus is a

The many individual light-sensitive subunits in an insectʹs eye are called

The sense of taste relies on

Your friend has trouble distinguishing the color red from the color green. You explain that he is color-deficient because his eyes

The hammer, anvil, and stirrup are located in the

Which of the following has the greatest potential to damage hair cells after prolonged exposure?

The round shape of the eyeball is maintained by the gel -like

The threshold of human skin temperature at which cool or cold is perceived as pain is

The optic nerve

Cones are specialized to detect which of the following types of stimuli?

Ommatidia are found in the compound eyes of

Which of these structures can be swiveled around in some animals to better locate a sound?

How is the placement of the eyes of a predator different from their placement on its prey?

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

Cellular Reproduction

Meiosis: the Basis of Sexual Reproduction

Patterns of Inheritance

DNA: The Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amid Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity Ii: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

Energy Flow and Nutrient Cycling in Ecosystems

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

Filters