Question 1

Which type of sensory receptor responds to chemicals?

Accepted Answer

A)   taste cells
B)   rod and cone cells in the retina
C)   hair cells in the spiral organ of the inner ear
D)   hair cells in the semicircular canal of the inner ear
E)   hair cells in the vestibule of the inner earF) All of the above
G) A) and E)

Question 2

Which structure in the eye refracts and focuses light rays?

Accepted Answer

A)   lens
B)   humors
C)   cone cells
D)   retina
E)   pupilF) B) and D)
G) B) and E)

Question 3

Many rod cells share one bipolar cell but cone cells do not. Certain cone cells synapse with only one ganglion cell. What are the consequences of this arrangement?

Accepted Answer

A)   Rod cells distinguish color better than cone cells.
B)   Cone cells are better up close, while rod cells are better far away.
C)   Rod cells are better up close, while cone cells are better far away.
D)   Rod cells distinguish more detail than cone cells.
E)   Cone cells distinguish more detail than rod cells.F) All of the above
G) C) and D)

Question 4

Which of the following statements is not true concerning rod and cone cells?

Accepted Answer

A)   Both have an outer segment jointed to an inner segment by a short stalk.
B)   Both contain a deep purple pigment called rhodopsin.
C)   Both have pigment molecules embedded in the membrane of the outer segment.
D)   Both contain retinal, a derivative of vitamin A.
E)   Both have synaptic vesicles at the synaptic endings of the inner segment.F) All of the above
G) A) and B)

Question 5

Which of the following is not a type of cutaneous receptor?

Accepted Answer

A)   Merkel disks
B)   Meissner corpuscles
C)   Krause end bulbs
D)   Pacinian corpuscles
E)   Golgi tendon organsF) A) and D)
G) A) and E)

Question 6

Which disorder of the eye is due to the cornea or lens being uneven resulting in a fuzzy image?

Accepted Answer

A)   astigmatism
B)   glaucoma
C)   color blindness
D)   nearsightedness
E)   farsightednessF) B) and C)
G) B) and E)

Question 7

Which of the following is not involved in gravitational equilibrium?

Accepted Answer

A)   vestibular nerve
B)   saccule
C)   utricle
D)   otoliths
E)   cupulaF) A) and B)
G) A) and C)

Question 8

If stereocilia move toward the kinocilium, which of the following occurs?

Accepted Answer

A)   Nerve impulses increase in the vestibular nerve.
B)   The cupula begins to move in the same direction.
C)   Fluid within the semicircular canal flows over and displaces the cupula.
D)   The otoliths in the utricle return to their resting position.
E)   The data is sent to the medulla oblongata for processing.F) A) and B)
G) C) and D)

Question 9

Taste cells and the carotid bodies are alike in that both

Accepted Answer

A)   are chemoreceptors.
B)   are found in the mouth.
C)   utilize pressure to activate sensory receptors.
D)   respond to distant stimuli.
E)   respond to changes in pH.F) C) and D)
G) A) and C)

Question 10

Proprioceptors are classified as which type of receptor?

Accepted Answer

A)   mechanoreceptors
B)   cutaneous receptors
C)   nociceptors
D)   photoreceptors
E)   chemoreceptorsF) A) and E)
G) C) and D)

Question 11

Nociceptors are sensitive to mechanical, thermal, electrical stimuli, and toxic substances.

Accepted Answer

A) True 
 B)False

Question 12

The summing up of nerve signals by ________ is called ________.

Accepted Answer

A)   the reticular activating system, perception
B)   the cerebral cortex, sensation
C)   sensory receptors, sensation
D)   the cerebral cortex, perception
E)   sensory receptors, integrationF) A) and D)
G) B) and D)

Question 13

Mechanoreceptors located in the auditory tubes are responsible for determining rotational equilibrium.

Accepted Answer

A) True 
 B)False

Question 14

Gravitational equilibrium is responsible for detecting up and down movements of the head.

Accepted Answer

A) True 
 B)False

Question 15

When the ciliary muscle is relaxed, the suspensory ligament is

Accepted Answer

A)   taut and the lens is flattened.
B)   relaxed and the lens is flattened.
C)   taut and the lens is rounded.
D)   relaxed and the lens is rounded.
E)   taut and the lens is oval.F) None of the above
G) B) and D)

Question 16

Nearsighted people cannot see objects that are close.

Accepted Answer

A) True 
 B)False

Question 17

Nerve signals from taste buds go primarily to the ________, while those for olfactory cells go primarily to the ________.

Accepted Answer

A)   hypothalamus, thalamus
B)   thalamus, hypothalamus
C)   temporal lobe, parietal lobe
D)   spinal cord, cerebral cortex
E)   parietal lobe, temporal lobeF) B) and E)
G) B) and D)

Question 18

Which of the following is found within the cochlea?

Accepted Answer

A)   stapes
B)   spiral organ
C)   tympanic membrane
D)   semicircular canals
E)   incusF) C) and E)
G) A) and E)

Question 19

Which part of the brain is involved in sensory adaptation?

Accepted Answer

A)   ventricles
B)   cerebellum
C)   medulla oblongata
D)   pons
E)   thalamusF) A) and B)
G) B) and D)

Question 20

List in order the structures that are responsible for hearing, starting with the external structures and moving toward the brain.

Accepted Answer

Sound is collected by the pinna and dire...

Exam 15: Senses

List in order the structures that are responsible for hearing, starting with the external structures and moving toward the brain.

Correct AnswerverifiedSound is collected by the pinna and dire...View AnswerShow Answer

Nerve signals from taste buds go primarily to the ________, while those for olfactory cells go primarily to the ________.

Correct AnswerverifiedShow Answer

Which of the following is not a type of cutaneous receptor?

Correct AnswerverifiedShow Answer

Taste cells and the carotid bodies are alike in that both

Correct AnswerverifiedShow Answer

Many rod cells share one bipolar cell but cone cells do not. Certain cone cells synapse with only one ganglion cell. What are the consequences of this arrangement?

Correct AnswerverifiedShow Answer

Which part of the brain is involved in sensory adaptation?

Correct AnswerverifiedShow Answer

Which of the following is found within the cochlea?

Correct AnswerverifiedShow Answer

Which disorder of the eye is due to the cornea or lens being uneven resulting in a fuzzy image?

Correct AnswerverifiedShow Answer

If stereocilia move toward the kinocilium, which of the following occurs?

Correct AnswerverifiedShow Answer

Which structure in the eye refracts and focuses light rays?

Correct AnswerverifiedShow Answer

Gravitational equilibrium is responsible for detecting up and down movements of the head.

Correct AnswerverifiedShow Answer

Which of the following statements is not true concerning rod and cone cells?

Correct AnswerverifiedShow Answer

Which of the following is not involved in gravitational equilibrium?

Correct AnswerverifiedShow Answer

Mechanoreceptors located in the auditory tubes are responsible for determining rotational equilibrium.

Correct AnswerverifiedShow Answer

The summing up of nerve signals by ________ is called ________.

Correct AnswerverifiedShow Answer

Proprioceptors are classified as which type of receptor?

Correct AnswerverifiedShow Answer

Nociceptors are sensitive to mechanical, thermal, electrical stimuli, and toxic substances.

Correct AnswerverifiedShow Answer

Which type of sensory receptor responds to chemicals?

Correct AnswerverifiedShow Answer

When the ciliary muscle is relaxed, the suspensory ligament is

Correct AnswerverifiedShow Answer

Nearsighted people cannot see objects that are close.

Correct AnswerverifiedShow Answer

Correct Answer
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Sound is collected by the pinna and dire...
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Nerve signals from taste buds go primarily to the , while those for olfactory cells go primarily to the .

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The summing up of nerve signals by is called .

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