Question 1

The direction of movement of the head relative to gravity is determined by

Accepted Answer

A)  stereocilia in a gelatinous material called a cupula.
B)  movement of fluid in the ampulla.
C)  displacement of otoliths on the otolithic membrane.
D)  asymmetric nerve impulses from proprioceptors on the left and right side of the head.
E)  integration of the visual and auditory signals in the equilibria center of the cortex.F) B) and C)
G) A) and D)

Question 2

Which health problem is associated with a decrease in the ability to taste certain foods?

Accepted Answer

A)  allergies
B)  upper respiratory tract infection
C)  brain tumors
D)  exposure to drugs
E)  All of the answer choices can decrease a person's ability to taste certain foods.F) B) and C)
G) B) and D)

Question 3

The receptors that detect position and movement of limbs are called

Accepted Answer

A)  mechanoreceptors.
B)  chemoreceptors.
C)  proprioceptors.
D)  photoreceptors.
E)  nociceptors.F) B) and D)
G) C) and D)

Question 4

Which of the following is NOT true about cones?715-013

Accepted Answer

A)  They detect color of an object.
B)  They detect detail of an object.
C)  They require high intensity light.
D)  Rods are more numerous in the retina than cones.
E)  They are absent from the fovea centralis.F) A) and B)
G) B) and E)

Question 5

If light rays are not focused evenly on the retina,a fuzzy image is formed.This condition is called

Accepted Answer

A)  nearsightedness.
B)  farsightedness.
C)  astigmatism.
D)  cataracts.
E)  conduction deafness.F) B) and E)
G) A) and B)

Question 6

From what you currently know,in a spacecraft at a point of weightlessness,which effect is most likely?

Accepted Answer

A)  Rotational equilibrium would be lacking and you could not detect head movement.
B)  Gravitational equilibrium would be altered since the otoliths would not be pulled down by gravity.
C)  Without gravity,there would be no vertigo.
D)  All balance systems would work similar to being on Earth with normal gravity.
E)  There would be absolutely no sense of balance signals of either type without gravity.F) B) and E)
G) C) and D)

Question 7

Puncturing the eardrum would

Accepted Answer

A)  make you totally deaf.
B)  prevent the normal transmission of sound vibration.
C)  destroy the sense receptors for hearing.
D)  account for why some people who hear still cannot sing a tune.
E)  account for dizziness and equilibrium problems.F) None of the above
G) D) and E)

Question 8

In nearsightedness,light rays are brought into focus

Accepted Answer

A)  in front of the retina.
B)  in back of the retina.
C)  on the retina.
D)  on the hair cells of the ampulla.
E)  unevenly across the retina.F) A) and B)
G) A) and C)

Question 9

Which of the following statements is true?

Accepted Answer

A)  Hearing is not dependent on the inner ear.
B)  All parts of the organ of Corti hear all ranges of sound.
C)  Loud music does not damage your ears.
D)  Hearing is dependent on mechanical pressure.
E)  Sound is similar to light insofar as it is transmitted through the vacuum of space.F) B) and E)
G) C) and E)

Question 10

Which of the following is an example of sensory adaptation?

Accepted Answer

A)  The act of trying to read a vibrating book while riding in a car causes eyestrain.
B)  When it is totally dark,the rods and cones of the eyes do not send any visual impulses.
C)  After the wound healed,the pain also went away.
D)  You notice the smell of liver and onions cooking when you enter the kitchen,but soon you do not notice the odor although they are still cooking.
E)  At first you did not like rock music but as you became older,you found you liked it.F) B) and E)
G) A) and E)

Question 11

Complete the following table of exteroreceptors.
Sensory Receptor Stimulus Category Sense
Taste Cells
Olfactory cells
Rods and cones in retina
Hair cells in spiral organ
Hair cells in semicircular canals
Hair cells in vestibule

Accepted Answer

The completed table should look like thi...

Question 12

What two structures are associated with gravitational equilibrium?

Accepted Answer

A)  utricle and saccule
B)  semicircular canal and cupula
C)  utricle and semicircular canal
D)  saccule and cupula
E)  utricle and cupulaF) A) and D)
G) A) and E)

Question 13

Generally,the senses of the skin are somewhat specialized with

Accepted Answer

A)  Pacinian corpuscles,Ruffini's endings,and Krause's end bulbs detecting pain.
B)  Meissner's corpuscles and Merkel's disks detecting fine touch.
C)  one type of nerve cell detecting both hot and cold.
D)  all types spread uniformly in the dermal tissue throughout the body.
E)  temperature receptors,free nerve endings in the dermis.F) All of the above
G) C) and E)

Question 14

Which of the following is NOT necessary to "see" an object?

Accepted Answer

A)  retina
B)  optic nerve
C)  frontal lobe of the cerebrum
D)  nerve impulse
E)  bipolar cellsF) A) and D)
G) B) and C)

Question 15

The order in which light reaches the lens of a human eye is

Accepted Answer

A)  pupil  →\rightarrow→   cornea →\rightarrow→   aqueous humor  →\rightarrow→   lens.
B)  lens  →\rightarrow→   aqueous humor  →\rightarrow→  pupil  →\rightarrow→   cornea.
C)  cornea  →\rightarrow→   aqueous humor  →\rightarrow→   pupil  →\rightarrow→   lens.
D)  cornea  →\rightarrow→   pupil  →\rightarrow→   aqueous humor  →\rightarrow→   lens.
E)  cornea  →\rightarrow→   vitreous humor  →\rightarrow→  pupil  →\rightarrow→  lens. F) B) and C)
G) A) and D)

Question 16

Jennifer's doctor tells her that she is experiencing a problem with her proprioceptors.What symptoms must Jennifer be experiencing?

Accepted Answer

A)  falling down
B)  memory failure
C)  intense pain
D)  a fight-or-flight response
E)  blindnessF) A) and B)
G) B) and E)

Question 17

What is the greatest benefit of having three semicircular canals involved in detecting rotational equilibrium?

Accepted Answer

A)  It allows for one to be in each dimension of space.
B)  It increases the surface area for detection of direction.
C)  It provides backups in case one gets damaged.
D)  It can process information faster.
E)  It produces larger volumes of calcium carbonate.F) B) and D)
G) B) and C)

Question 18

Which type(s) of receptor is(are) found in the retina?

Accepted Answer

A)  rods and cones
B)  organ of Corti
C)  muscle spindles
D)  olfactory cells
E)  hair cells in ampullaeF) C) and D)
G) D) and E)

Question 19

What structures are responsible for detecting odor?

Accepted Answer

A)  receptor proteins on the olfactory cells
B)  receptor lipids on the olfactory cells
C)  receptor carbohydrates on the olfactory cells
D)  receptor proteins on the sclera
E)  receptor proteins on the ossiclesF) A) and B)
G) A) and E)

Question 20

Which cutaneous receptors are concentrated in the fingertips and palms?

Accepted Answer

A)  Meissner's corpuscles
B)  Pacinian corpuscles
C)  Ruffini endings
D)  root hair plexus
E)  free nerve endingsF) A) and C)
G) B) and E)

Exam 18: Senses

The receptors that detect position and movement of limbs are called

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Complete the following table of exteroreceptors. Sensory Receptor Stimulus Category Sense Taste Cells Olfactory cells Rods and cones in retina Hair cells in spiral organ Hair cells in semicircular canals Hair cells in vestibule

Correct AnswerverifiedThe completed table should look like thi...View AnswerShow Answer

Which health problem is associated with a decrease in the ability to taste certain foods?

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Which cutaneous receptors are concentrated in the fingertips and palms?

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What is the greatest benefit of having three semicircular canals involved in detecting rotational equilibrium?

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The direction of movement of the head relative to gravity is determined by

Correct AnswerverifiedShow Answer

Puncturing the eardrum would

Correct AnswerverifiedShow Answer

Which of the following is NOT necessary to "see" an object?

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Which of the following is an example of sensory adaptation?

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Which of the following statements is true?

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What structures are responsible for detecting odor?

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What two structures are associated with gravitational equilibrium?

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Which of the following is NOT true about cones?715-013

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The order in which light reaches the lens of a human eye is

Correct AnswerverifiedShow Answer

In nearsightedness,light rays are brought into focus

Correct AnswerverifiedShow Answer

Jennifer's doctor tells her that she is experiencing a problem with her proprioceptors.What symptoms must Jennifer be experiencing?

Correct AnswerverifiedShow Answer

If light rays are not focused evenly on the retina,a fuzzy image is formed.This condition is called

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Which type(s) of receptor is(are) found in the retina?

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From what you currently know,in a spacecraft at a point of weightlessness,which effect is most likely?

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Generally,the senses of the skin are somewhat specialized with

Correct AnswerverifiedShow Answer

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