Question 1

The ability of the brain to assign meaning to a stimulus is called:

Accepted Answer

A)  adaptation. 
B)  integration. 
C)  processing. 
D)  perception. 
E)  assembly. 
A)  adaptation. 
B)  integration. 
C)  processing. 
D)  perception. 
E)  assembly.

Question 2

MATCHING
Match the sense organ with its description.
a.ear
f.proprioreceptor
b.eye
g.semicircular canal
c.lateral line organ
h.tongue
d.nocioreceptor
i.utricle/saccule
e.nose
-responsible for olfaction

Accepted Answer

The answer of MATCHING
Match the sense organ with its description.
a.ear
f.proprioreceptor
b.eye
g.semicircular...

Question 3

Figure 43-5
Use the figure to answer the corresponding question(s).  
-The function of the cell type labeled 3 in Figure 43-5 is:

Accepted Answer

A)  to detect shape and movement. 
B)  to receive messages from the bipolar cells. 
C)  to receive input from the receptor cells. 
D)  to stimulate the ganglion cells. 
E)  to send a neural impulse to the brain. 
A)  to detect shape and movement. 
B)  to receive messages from the bipolar cells. 
C)  to receive input from the receptor cells. 
D)  to stimulate the ganglion cells. 
E)  to send a neural impulse to the brain.

Question 4

The olfactory epithelium is located in the roof of the mouth.
____________________

Accepted Answer

A) True 
 B)False

Question 5

MATCHING
Match the sense organ with its description.
a.ear
f.proprioreceptor
b.eye
g.semicircular canal
c.lateral line organ
h.tongue
d.nocioreceptor
i.utricle/saccule
e.nose
-opsin and retinal are found here

Accepted Answer

The answer of MATCHING
Match the sense organ with its description.
a.ear
f.proprioreceptor
b.eye
g.semicircular...

Question 6

Figure 43-5
Use the figure to answer the corresponding question(s).  
-Which of the following statements is false?

Accepted Answer

A)  The axons of ganglion cells form the optic nerves that carry information to the brain. 
B)  The axons of the optic nerves end in the lateral geniculate nuclei of the thalamus. 
C)  Integration of visual information takes place in the frontal lobes of the cerebrum. 
D)  Neurons in the reticular activating system are involved in visual integration. 
E)  The optic nerves cross to form the optic chiasm. 
A)  The axons of ganglion cells form the optic nerves that carry information to the brain. 
B)  The axons of the optic nerves end in the lateral geniculate nuclei of the thalamus. 
C)  Integration of visual information takes place in the frontal lobes of the cerebrum. 
D)  Neurons in the reticular activating system are involved in visual integration. 
E)  The optic nerves cross to form the optic chiasm.

Question 7

Sound waves travel within the ear and cause hair cells of the organ of Corti to rub against the __________, initiating nerve impulses to the brain.

Accepted Answer

A)  basement membrane 
B)  basilar membrane 
C)  tectorial membrane 
D)  tympanic membrane 
E)  plasma membrane 
A)  basement membrane 
B)  basilar membrane 
C)  tectorial membrane 
D)  tympanic membrane 
E)  plasma membrane

Question 8

What would happen if you cut the vestibular fibers of the vestibulocochlear nerve?

Accepted Answer

A)  You would not be able to detect sound. 
B)  You would not be able to detect linear acceleration. 
C)  You would loose sensory functions in the upper body. 
D)  You would loose your sense of taste. 
E)  You would loose your sense of smell. 
A)  You would not be able to detect sound. 
B)  You would not be able to detect linear acceleration. 
C)  You would loose sensory functions in the upper body. 
D)  You would loose your sense of taste. 
E)  You would loose your sense of smell.

Question 9

MATCHING
Match the sense organ with its description.
a.ear
f.proprioreceptor
b.eye
g.semicircular canal
c.lateral line organ
h.tongue
d.nocioreceptor
i.utricle/saccule
e.nose
-How does a person distinguish flavors?

Accepted Answer

Concepts to Consider: It depends on the

Question 10

The brain can infer the pitch of a sound from the:

Accepted Answer

A)  number of hair cells that are stimulated. 
B)  particular hair cells that are stimulated. 
C)  intensity with which the hair cells are stimulated. 
D)  intensity of the action potential produced by the stimulated hair cells. 
E)  fluid movements of the semicircular canals. 
A)  number of hair cells that are stimulated. 
B)  particular hair cells that are stimulated. 
C)  intensity with which the hair cells are stimulated. 
D)  intensity of the action potential produced by the stimulated hair cells. 
E)  fluid movements of the semicircular canals.

Question 11

Impulses from a sense organ may differ in all of the following ways except in:

Accepted Answer

A)  the total number of fibers transmitting messages. 
B)  the frequency of the action potentials passing over a given fiber. 
C)  the total number of action potentials passing over a given fiber. 
D)  the specific types of action potential. 
E)  the specific fibers carrying action potentials. 
A)  the total number of fibers transmitting messages. 
B)  the frequency of the action potentials passing over a given fiber. 
C)  the total number of action potentials passing over a given fiber. 
D)  the specific types of action potential. 
E)  the specific fibers carrying action potentials.

Question 12

Cones are responsible for:

Accepted Answer

A)  night vision. 
B)  the detection of movement. 
C)  dim light vision. 
D)  peripheral vision. 
E)  the perception of fine detail. 
A)  night vision. 
B)  the detection of movement. 
C)  dim light vision. 
D)  peripheral vision. 
E)  the perception of fine detail.

Question 13

Changes in blood pH can be detected by:

Accepted Answer

A)  interoceptors. 
B)  exteroceptors. 
C)  mechanoreceptors. 
D)  proprioceptors. 
E)  thermoreceptors. 
A)  interoceptors. 
B)  exteroceptors. 
C)  mechanoreceptors. 
D)  proprioceptors. 
E)  thermoreceptors.

Question 14

Discuss how a rod responds differently in the light than in the dark.

Accepted Answer

This comparison is p

Question 15

A receptor potential is an all-or-none response.
____________________

Accepted Answer

A) True 
 B)False

Question 16

Figure 43-2
Use the figure to answer the corresponding question(s).  
-The sensation of movement or dizziness persists, even after an individual stops spinning, due to the continued:

Accepted Answer

A)  movement of perilymph through the cochlea. 
B)  movement of the tectorial membrane over the organ of Corti. 
C)  movement of otoliths through the cochlea. 
D)  stimulation of hair cells by the statoliths. 
E)  movement of endolymph through the semicircular canals. 
A)  movement of perilymph through the cochlea. 
B)  movement of the tectorial membrane over the organ of Corti. 
C)  movement of otoliths through the cochlea. 
D)  stimulation of hair cells by the statoliths. 
E)  movement of endolymph through the semicircular canals.

Question 17

MATCHING
Match the sense organ with its description.
a.ear
f.proprioreceptor
b.eye
g.semicircular canal
c.lateral line organ
h.tongue
d.nocioreceptor
i.utricle/saccule
e.nose
-the basilar membrane is found here

Accepted Answer

The answer of MATCHING
Match the sense organ with its description.
a.ear
f.proprioreceptor
b.eye
g.semicircular...

Question 18

Which touch receptors of the skin are sensitive to deep pressure?

Accepted Answer

A)  Pacinian corpuscles 
B)  Meissner corpuscles 
C)  Merkel disks 
D)  free nerve endings 
E)  Ruffini corpuscles 
A)  Pacinian corpuscles 
B)  Meissner corpuscles 
C)  Merkel disks 
D)  free nerve endings 
E)  Ruffini corpuscles

Question 19

Figure 43-4
Use the figure to answer the corresponding question(s).  
-Which of the following is not one of the seven main groups of odors that humans can detect?

Accepted Answer

A)  musk 
B)  floral 
C)  herbaceous 
D)  putrid 
E)  peppermint 
A)  musk 
B)  floral 
C)  herbaceous 
D)  putrid 
E)  peppermint

Question 20

A pheromone is a chemical signal secreted into the environment.
____________________

Accepted Answer

A) True 
 B)False

Exam 43: Sensory Systems

The ability of the brain to assign meaning to a stimulus is called:

MATCHING Match the sense organ with its description. a.ear f.proprioreceptor b.eye g.semicircular canal c.lateral line organ h.tongue d.nocioreceptor i.utricle/saccule e.nose -responsible for olfaction

Figure 43-5 Use the figure to answer the corresponding question(s). -The function of the cell type labeled 3 in Figure 43-5 is:

The olfactory epithelium is located in the roof of the mouth. ____________________

MATCHING Match the sense organ with its description. a.ear f.proprioreceptor b.eye g.semicircular canal c.lateral line organ h.tongue d.nocioreceptor i.utricle/saccule e.nose -opsin and retinal are found here

Figure 43-5 Use the figure to answer the corresponding question(s). -Which of the following statements is false?

Sound waves travel within the ear and cause hair cells of the organ of Corti to rub against the __________, initiating nerve impulses to the brain.

What would happen if you cut the vestibular fibers of the vestibulocochlear nerve?

MATCHING Match the sense organ with its description. a.ear f.proprioreceptor b.eye g.semicircular canal c.lateral line organ h.tongue d.nocioreceptor i.utricle/saccule e.nose -How does a person distinguish flavors?

The brain can infer the pitch of a sound from the:

Impulses from a sense organ may differ in all of the following ways except in:

Cones are responsible for:

Changes in blood pH can be detected by:

Discuss how a rod responds differently in the light than in the dark.

A receptor potential is an all-or-none response. ____________________

Figure 43-2 Use the figure to answer the corresponding question(s). -The sensation of movement or dizziness persists, even after an individual stops spinning, due to the continued:

MATCHING Match the sense organ with its description. a.ear f.proprioreceptor b.eye g.semicircular canal c.lateral line organ h.tongue d.nocioreceptor i.utricle/saccule e.nose -the basilar membrane is found here

Which touch receptors of the skin are sensitive to deep pressure?

Figure 43-4 Use the figure to answer the corresponding question(s). -Which of the following is not one of the seven main groups of odors that humans can detect?

A pheromone is a chemical signal secreted into the environment. ____________________

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