Question 1

What type of vision occurs in light levels that activate both rods and cones?

Accepted Answer

A)   photopic
B)   scotopic
C)   mesopic
D)   rhodopic
E)   retinotopicF) A) and E)
G) A) and C)

Question 2

Which receptor type is used for sound waves?

Accepted Answer

A)   hair cells in cochlea
B)   mechanical nociceptors
C)   hair cells in semicircular canals
D)   warm receptors
E)   hair cells in utricleF) A) and B)
G) A) and E)

Question 3

Auditory information is transmitted through the medial geniculate nucleus in the thalamus to the cortex.

Accepted Answer

A) True 
 B)False

Question 4

Which receptor type is used to detect angular acceleration?

Accepted Answer

A)   hair cells in utricle
B)   hair cells in semicircular canals
C)   chemoreceptors
D)   mechanical nociceptors
E)   hair cells in cochleaF) A) and C)
G) None of the above

Question 5

The eighth cranial nerve carries information about hearing and equilibrium from the ear to the central nervous system.

Accepted Answer

A) True 
 B)False

Question 6

Somatosensory receptors that lack identifiable specialized structures are called

Accepted Answer

A)   photoreceptors.
B)   Pacinian corpuscles.
C)   feedback loops.
D)   gustatory receptors.
E)   free nerve endings.F) A) and B)
G) A) and C)

Question 7

A decrease in the amplitude of a receptor potential over time in the presence of a continued stimulus is called habituation.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following is NOT part of the gate -control theory of pain modulation?

Accepted Answer

A)   Inhibitory interneurons are inhibited by collaterals from the nociceptor afferent.
B)   Signals that modify pain originate from higher centers of the brain.
C)   Inhibitory interneurons can modulate second -order pain neurons.
D)   A nonpainful stimulus can activate the inhibitory interneuron and thereby inhibit the painful stimulus.
E)   Inhibitory interneurons are activated by collaterals of Afi fibers that are associated with mechanical stimuli.F) A) and D)
G) A) and C)

Question 9

Which of the following structures sits on the basilar membrane and contains the hair cells for sound?

Accepted Answer

A)   tectorial membrane
B)   organ of Corti
C)   basilar membrane
D)   helicotrema
E)   tympanic membraneF) B) and E)
G) A) and E)

Question 10

What is the stimulus type to which a receptor responds the greatest called?

Accepted Answer

A)   adequate stimulus
B)   transduction
C)   modality
D)   appropriation
E)   perceptionF) All of the above
G) None of the above

Question 11

What structure detects linear acceleration?

Accepted Answer

A)   cochlea
B)   utricle
C)   basilar membrane
D)   ampulla
E)   semicircular canalsF) D) and E)
G) C) and E)

Question 12

Receptive field sizes are approximately the same over all parts of the body for a specific modality.

Accepted Answer

A) True 
 B)False

Question 13

The posterior portion of the semicircular canal detects acceleration in which direction?

Accepted Answer

A)   linear acceleration in the up and down directions
B)   rotation of the head from side to side, as in moving the ear toward the shoulder
C)   rotating the head as in saying "no"
D)   moving the head up and down as in saying "yes"
E)   linear acceleration in the forward and backward directionsF) All of the above
G) A) and B)

Question 14

What is the form of energy associated with a particular stimulus type called?

Accepted Answer

A)   adequate stimulus
B)   perception
C)   appropriation
D)   modality
E)   transductionF) All of the above
G) A) and C)

Question 15

The anterior portion of the semicircular canal detects acceleration in which direction?

Accepted Answer

A)   the rotation of the head from side to side, as in moving the ear toward the shoulder
B)   rotating the head as in saying "no"
C)   linear acceleration in the up and down directions
D)   linear acceleration in the forward and backward directions
E)   moving the head up and down as in saying "yes"F) B) and E)
G) A) and E)

Question 16

The process whereby a sensory receptor converts a stimulus modality into a change in membrane potential is called

Accepted Answer

A)   modality conversion.
B)   sensory production.
C)   sensory transduction.
D)   sensory generation.
E)   sensory conversion.F) C) and D)
G) B) and C)

Question 17

Photoreceptive cells are located within the retina. Describe the general structure and the cells present within the retina, and how light is converted into electrical energy within rods and cones.

Accepted Answer

There are three distinct layers of cells...

Question 18

In the optic chiasm, ganglion cells from the ________portion of the retina cross over, whereas the ganglion cells from the________portion of the retina remain on the same side.

Accepted Answer

A)   nasal : temporal
B)   center : nasal
C)   temporal : nasal
D)   temporal : center
E)   nasal : centerF) B) and E)
G) A) and C)

Question 19

Molecules must be dissolved in fluid to interact with the receptor for which of the following?

Accepted Answer

A)   vision
B)   olfaction
C)   taste
D)   touch
E)   both olfaction and tasteF) A) and D)
G) A) and E)

Question 20

The dorsal column -medial lemniscal pathway carries mechanoreceptive and proprioceptive information to the thalamus, whereas the spinothalamic tract carries thermoreceptive and nociceptive information.

Accepted Answer

A) True 
 B)False

Exam 10: The Nervous System: Sensory Systems

Receptive field sizes are approximately the same over all parts of the body for a specific modality.

Correct AnswerverifiedShow Answer

Molecules must be dissolved in fluid to interact with the receptor for which of the following?

Correct AnswerverifiedShow Answer

Which of the following is NOT part of the gate -control theory of pain modulation?

Correct AnswerverifiedShow Answer

What structure detects linear acceleration?

Correct AnswerverifiedShow Answer

What type of vision occurs in light levels that activate both rods and cones?

Correct AnswerverifiedShow Answer

What is the form of energy associated with a particular stimulus type called?

Correct AnswerverifiedShow Answer

The eighth cranial nerve carries information about hearing and equilibrium from the ear to the central nervous system.

Correct AnswerverifiedShow Answer

What is the stimulus type to which a receptor responds the greatest called?

Correct AnswerverifiedShow Answer

The process whereby a sensory receptor converts a stimulus modality into a change in membrane potential is called

Correct AnswerverifiedShow Answer

Somatosensory receptors that lack identifiable specialized structures are called

Correct AnswerverifiedShow Answer

In the optic chiasm, ganglion cells from the ________portion of the retina cross over, whereas the ganglion cells from the________portion of the retina remain on the same side.

Correct AnswerverifiedShow Answer

The anterior portion of the semicircular canal detects acceleration in which direction?

Correct AnswerverifiedShow Answer

Auditory information is transmitted through the medial geniculate nucleus in the thalamus to the cortex.

Correct AnswerverifiedShow Answer

Which of the following structures sits on the basilar membrane and contains the hair cells for sound?

Correct AnswerverifiedShow Answer

Which receptor type is used to detect angular acceleration?

Correct AnswerverifiedShow Answer

Which receptor type is used for sound waves?

Correct AnswerverifiedShow Answer

A decrease in the amplitude of a receptor potential over time in the presence of a continued stimulus is called habituation.

Correct AnswerverifiedShow Answer

The posterior portion of the semicircular canal detects acceleration in which direction?

Correct AnswerverifiedShow Answer

Photoreceptive cells are located within the retina. Describe the general structure and the cells present within the retina, and how light is converted into electrical energy within rods and cones.

Correct AnswerverifiedThere are three distinct layers of cells...View AnswerShow Answer

The dorsal column -medial lemniscal pathway carries mechanoreceptive and proprioceptive information to the thalamus, whereas the spinothalamic tract carries thermoreceptive and nociceptive information.

Correct AnswerverifiedShow Answer

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In the optic chiasm, ganglion cells from the portion of the retina cross over, whereas the ganglion cells from theportion of the retina remain on the same side.

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There are three distinct layers of cells...
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