Question 1

When a rod located in the retina is stimulated by light,

Accepted Answer

A)   the cell depolarizes.
B)   the inactive form of retinal associates with bleached opsin.
C)   the activity of transducin decreases.
D)   the release of neurotransmitter increases.
E)   the intracellular concentration of cGMP decreases.F) All of the above
G) B) and D)

Question 2

Low frequency sound waves create the maximum displacement of the basilar membrane ________, where that membrane is ________.

Accepted Answer

A)   near the helicotrema , stiffer
B)   near the helicotrema, flexible
C)   near the oval window, stiffer
D)   near the oval window, flexible
E)   in the middle, stifferF) A) and B)
G) All of the above

Question 3

Match the symptoms to the problem.
-conductive hearing loss

Accepted Answer

A)  damage to the cerebral cortex
B)  degeneration of hair cells
C)  ringing in the ears
D)  dizziness and nausea
E)  problems with structures of the middle earF) B) and D)
G) C) and D)

Question 4

List the five taste receptors, what they respond to and describe how each of these receptors transduce that response.

Accepted Answer

Sweet (sugar), sour (acid), salty (certa...

Question 5

Match the type of receptor with the appropriate description.
-The most studied examples of this type are phasic receptors called Pacinian corpuscles.

Accepted Answer

A)  chemoreceptors
B)  touch receptors
C)  thermoreceptors
D)  nociceptorsE) All of the above
F) A) and C)

Question 6

The following steps occur in rods when they are excited by a photon of light.Place them in the correct sequence.
1) Membrane sodium channels close.
2) cGMP is broken down.
3) The membrane hyperpolarizes and the rate of neurotransmitter release declines.
4) Transducin is activated.
5) Opsin is activated.

Accepted Answer

A)   1, 5, 2, 4, 3
B)   5, 4, 2, 1, 3
C)   3, 5, 2, 1, 4
D)   4, 5, 2, 1, 3
E)   1, 3, 4, 5, 2F) B) and D)
G) A) and B)

Question 7

________ are sensory receptors that respond to changes in a stimulus by altering their firing which rapidly stops as the stimulus is maintained.

Accepted Answer

The answer of ________ are sensory receptors that respond to...

Question 8

For a person suffering from ________, the focal point of the object is focused in front of the retina leading to blurring of distant objects.

Accepted Answer

The answer of For a person suffering from ________, the...

Question 9

Which structures monitor rotational acceleration of the head?

Accepted Answer

A)   cristae of the semicircular canals
B)   maculae of the saccule only
C)   maculae of the utricle only
D)   maculae of the utricle and sacculeE) A) and B)
F) B) and D)

Question 10

The initial response to sweet and umami involves the bind to a receptor, which activates the protein ________ whereas salty and sour stimulate ________.

Accepted Answer

gustducin,...

Question 11

The hair cells of the cochlear duct are located in the ________.

Accepted Answer

The answer of The hair cells of the cochlear duct...

Question 12

A graded change in membrane potential within a sensory receptor cell is always called a(n)

Accepted Answer

A)   depolarization.
B)   hyperpolarization.
C)   action potential.
D)   receptor potential.E) A) and C)
F) A) and B)

Question 13

Match the specific receptor to its typical stimulus.
-texture

Accepted Answer

A)  free nerve ending
B)  Merkel receptor
C)  Meissner's corpuscle
D)  Ruffini corpuscle
E)  Pacinian corpuscleF) All of the above
G) A) and B)

Question 14

The release of neurotransmitter from a vestibular hair cell into the synapse with a sensory neuron would increase

Accepted Answer

A)   in response to any mechanical stimulation of the hair cell.
B)   when the stereocilia of the hair cell are displaced away from the kinocilium.
C)   when the stereocilia are equally displaced to either side of the kinocilium.
D)   when the stereocilia of the hair cell are displaced toward the kinocilium.E) A) and B)
F) A) and C)

Question 15

The central opening in the eye through which the light passes on to the retina is the

Accepted Answer

A)   conjunctiva.
B)   cornea.
C)   pupil.
D)   lens.
E)   fovea.F) A) and D)
G) A) and E)

Question 16

________ hearing loss results from conditions that affect the ability of sound wave that have entered the external ear from generating/transmitting a vibration that will reach the cochlea.

Accepted Answer

The answer of ________ hearing loss results from conditions that...

Question 17

The intensity of a stimulus can be determined within the central nervous system by

Accepted Answer

A)   population coding only.
B)   labeled line coding only.
C)   frequency coding only.
D)   population coding and/or frequency coding.
E)   labeled line coding and/or frequency coding.F) All of the above
G) C) and D)

Question 18

Chemicals such as histamine, prostaglandins, serotonin, and substance P

Accepted Answer

A)   only sensitize nociceptors.
B)   only activate nociceptors.
C)   only inhibit nociceptors.
D)   only sensitize and activate nociceptors.
E)   sensitize, activate and inhibit nociceptors.F) A) and B)
G) B) and C)

Question 19

Describe how lateral inhibition allows for localization of a stimulus.

Accepted Answer

Lateral inhibition increases the contras...

Question 20

A decrease in ones perception of a stimulus whose intensity has not changed due to higher neural inhibition is

Accepted Answer

A)   habituation.
B)   convergence.
C)   divergence.
D)   adaptation.E) All of the above
F) B) and C)

Exam 10: Sensory Physiology

Match the symptoms to the problem. -conductive hearing loss

Correct Answer
verified

Which structures monitor rotational acceleration of the head?

Correct Answer
verified

Low frequency sound waves create the maximum displacement of the basilar membrane , where that membrane is .

Correct Answer
verified

For a person suffering from ________, the focal point of the object is focused in front of the retina leading to blurring of distant objects.

Correct Answer
verified

________ hearing loss results from conditions that affect the ability of sound wave that have entered the external ear from generating/transmitting a vibration that will reach the cochlea.

Correct Answer
verified

A graded change in membrane potential within a sensory receptor cell is always called a(n)

Correct Answer
verified

________ are sensory receptors that respond to changes in a stimulus by altering their firing which rapidly stops as the stimulus is maintained.

Correct Answer
verified

Match the type of receptor with the appropriate description. -The most studied examples of this type are phasic receptors called Pacinian corpuscles.

Correct Answer
verified

Correct Answer
verified

Describe how lateral inhibition allows for localization of a stimulus.

Correct Answer
verified
Lateral inhibition increases the contras...
View Answer

List the five taste receptors, what they respond to and describe how each of these receptors transduce that response.

Correct Answer
verified
Sweet (sugar), sour (acid), salty (certa...
View Answer

The initial response to sweet and umami involves the bind to a receptor, which activates the protein whereas salty and sour stimulate .

Correct Answer
verified
gustducin,...
View Answer

Match the specific receptor to its typical stimulus. -texture

Correct Answer
verified

The intensity of a stimulus can be determined within the central nervous system by

Correct Answer
verified

Chemicals such as histamine, prostaglandins, serotonin, and substance P

Correct Answer
verified

The hair cells of the cochlear duct are located in the ________.

Correct Answer
verified

When a rod located in the retina is stimulated by light,

Correct Answer
verified

The release of neurotransmitter from a vestibular hair cell into the synapse with a sensory neuron would increase

Correct Answer
verified

The central opening in the eye through which the light passes on to the retina is the

Correct Answer
verified

A decrease in ones perception of a stimulus whose intensity has not changed due to higher neural inhibition is

Correct Answer
verified

Exam 10: Sensory Physiology

Match the symptoms to the problem. -conductive hearing loss

Correct AnswerverifiedShow Answer

Which structures monitor rotational acceleration of the head?

Correct AnswerverifiedShow Answer

Low frequency sound waves create the maximum displacement of the basilar membrane ________, where that membrane is ________.

Correct AnswerverifiedShow Answer

For a person suffering from ________, the focal point of the object is focused in front of the retina leading to blurring of distant objects.

Correct AnswerverifiedShow Answer

________ hearing loss results from conditions that affect the ability of sound wave that have entered the external ear from generating/transmitting a vibration that will reach the cochlea.

Correct AnswerverifiedShow Answer

A graded change in membrane potential within a sensory receptor cell is always called a(n)

Correct AnswerverifiedShow Answer

________ are sensory receptors that respond to changes in a stimulus by altering their firing which rapidly stops as the stimulus is maintained.

Correct AnswerverifiedShow Answer

Match the type of receptor with the appropriate description. -The most studied examples of this type are phasic receptors called Pacinian corpuscles.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Describe how lateral inhibition allows for localization of a stimulus.

Correct AnswerverifiedLateral inhibition increases the contras...View AnswerShow Answer

List the five taste receptors, what they respond to and describe how each of these receptors transduce that response.

Correct AnswerverifiedSweet (sugar), sour (acid), salty (certa...View AnswerShow Answer

The initial response to sweet and umami involves the bind to a receptor, which activates the protein ________ whereas salty and sour stimulate ________.

Correct Answerverifiedgustducin,...View AnswerShow Answer

Match the specific receptor to its typical stimulus. -texture

Correct AnswerverifiedShow Answer

The intensity of a stimulus can be determined within the central nervous system by

Correct AnswerverifiedShow Answer

Chemicals such as histamine, prostaglandins, serotonin, and substance P

Correct AnswerverifiedShow Answer

The hair cells of the cochlear duct are located in the ________.

Correct AnswerverifiedShow Answer

When a rod located in the retina is stimulated by light,

Correct AnswerverifiedShow Answer

The release of neurotransmitter from a vestibular hair cell into the synapse with a sensory neuron would increase

Correct AnswerverifiedShow Answer

The central opening in the eye through which the light passes on to the retina is the

Correct AnswerverifiedShow Answer

A decrease in ones perception of a stimulus whose intensity has not changed due to higher neural inhibition is

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Low frequency sound waves create the maximum displacement of the basilar membrane , where that membrane is .

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Lateral inhibition increases the contras...
View Answer

Correct Answer
verified
Sweet (sugar), sour (acid), salty (certa...
View Answer

The initial response to sweet and umami involves the bind to a receptor, which activates the protein whereas salty and sour stimulate .

Correct Answer
verified
gustducin,...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified