Question 1

Why does there seem to be a link between smell and memory?

Accepted Answer

Olfactory pathways branch off from the o...

Question 2

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) None of the above
F) B) and C)

Question 3

After an injury,Paul has difficulty recognizing and interpreting certain sounds.These symptoms imply damage to the

Accepted Answer

A)   external ear.
B)   auditory cortex.
C)   middle ear.
D)   cochlea.E) A) and D)
F) B) and C)

Question 4

A stimulus below the ________ will activate sensory neurons,but the signal will not reach the conscious brain because higher neurons dampen it.

Accepted Answer

perceptual...

Question 5

Match the type of receptor with the appropriate description.
-These receptors respond to stimuli that are harmful or potentially harmful to body tissues and lead to the perception of pain.

Accepted Answer

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

Question 6

________ between hair cell stereocilia ensure that when the largest stereocilia is bent,all of the sterocilia are bent thereby gating more ion channels.

Accepted Answer

A)   Kinocilia
B)   Otoliths
C)   Utricles
D)   Tip linksE) All of the above
F) None of the above

Question 7

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) All of the above
F) C) and D)

Question 8

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

Accepted Answer

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

Question 9

Match the stimulus to the type of receptor that typically responds to it.
-stretch

Accepted Answer

A)  chemoreceptor
B)  mechanoreceptorC) A) and B)
D) undefined

Question 10

The hair cell of the cochlea is depolarized when the stereocilia are bent

Accepted Answer

A)   in any direction.
B)   towards the smallest stereocilia.
C)   towards the tallest stereocilia.
D)   towards the middle stereocilia.
E)   Hair cells are not depolarized by bending of the sterocilia.F) B) and E)
G) A) and E)

Question 11

Match the symptoms to the problem.
-Ménière's disease

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) C) and D)
G) A) and C)

Question 12

________ ganglion cells transmit information about texture,while ________ ganglion cells transmit information about movement.

Accepted Answer

Parvocellu...

Question 13

Greater visual acuity results from convergence of ________ numbers of photoreceptors onto retinal ganglion cells.

Accepted Answer

The answer of Greater visual acuity results from convergence of...

Question 14

Inhibiting adenyl cyclase in olfactory sensory neurons would

Accepted Answer

A)   increase the sensitivity of these receptors.
B)   expand the range of sensitivity of these receptors.
C)   reduce the sensitivity of these receptors.
D)   convert the olfactory receptors from phasic to tonic receptors.
E)   have no effect on these receptors.F) None of the above
G) A) and B)

Question 15

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) A) and B)
G) A) and C)

Question 16

Our perception of the pull of gravity and linear acceleration is the result of

Accepted Answer

A)   changes in the pressure exerted by the cupula on hair cells.
B)   vibrations of the tectorial membrane striking hair cells.
C)   the pressure exerted by the otolithic organ on hair cells of the maculae.
D)   the movement of the otolithic organ within the ampullae of the semicircular canals.E) None of the above
F) A) and C)

Question 17

The hair cell of the semicircular canal hyperpolarize when the stereocilia are bent

Accepted Answer

A)   in any direction.
B)   towards the kinocilium.
C)   away from the kinocilium.
D)   towards the longest stereocilia.
E)   Hair cells are not hyperpolarized by bending of the sterocilia.F) D) and E)
G) A) and E)

Question 18

Accomodation describes the focusing of light on the retina by changing

Accepted Answer

A)   the shape of the lens.
B)   pupillary diameter.
C)   the shape of the cornea.
D)   distance of the retina from the lens.E) A) and B)
F) None of the above

Question 19

The structure that overlies the organ of Corti and is attached to the tips of the hair cells is the

Accepted Answer

A)   basilar membrane.
B)   tectorial membrane.
C)   stapedius.
D)   perilymph.
E)   endolymph.F) A) and E)
G) B) and E)

Question 20

Activation of a ________ leads to the perception of pain and itch.

Accepted Answer

The answer of Activation of a ________ leads to the...

Exam 10: Sensory Physiology

Accomodation describes the focusing of light on the retina by changing

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The hair cell of the semicircular canal hyperpolarize when the stereocilia are bent

Correct AnswerverifiedShow Answer

A stimulus below the ________ will activate sensory neurons,but the signal will not reach the conscious brain because higher neurons dampen it.

Correct Answerverifiedperceptual...View AnswerShow Answer

Greater visual acuity results from convergence of ________ numbers of photoreceptors onto retinal ganglion cells.

Correct AnswerverifiedShow Answer

________ between hair cell stereocilia ensure that when the largest stereocilia is bent,all of the sterocilia are bent thereby gating more ion channels.

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Match the symptoms to the problem. -Ménière's disease

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Our perception of the pull of gravity and linear acceleration is the result of

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

Correct AnswerverifiedShow Answer

Activation of a ________ leads to the perception of pain and itch.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Why does there seem to be a link between smell and memory?

Correct AnswerverifiedOlfactory pathways branch off from the o...View AnswerShow Answer

Match the type of receptor with the appropriate description. -These receptors respond to stimuli that are harmful or potentially harmful to body tissues and lead to the perception of pain.

Correct AnswerverifiedShow Answer

The hair cell of the cochlea is depolarized when the stereocilia are bent

Correct AnswerverifiedShow Answer

After an injury,Paul has difficulty recognizing and interpreting certain sounds.These symptoms imply damage to the

Correct AnswerverifiedShow Answer

________ ganglion cells transmit information about texture,while ________ ganglion cells transmit information about movement.

Correct AnswerverifiedParvocellu...View AnswerShow Answer

Which structures monitor rotational acceleration of the head?

Correct AnswerverifiedShow Answer

The structure that overlies the organ of Corti and is attached to the tips of the hair cells is the

Correct AnswerverifiedShow Answer

Inhibiting adenyl cyclase in olfactory sensory neurons would

Correct AnswerverifiedShow Answer

Match the stimulus to the type of receptor that typically responds to it. -stretch

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Match the specific receptor to its typical stimulus. -texture

Correct AnswerverifiedShow Answer

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perceptual...
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Olfactory pathways branch off from the o...
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ganglion cells transmit information about texture,while ganglion cells transmit information about movement.

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Parvocellu...
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