Question 1

The utricle is especially sensitive to what type of movements?

Accepted Answer

A)   back and forth
B)   up and down
C)   standing upside
D)   spinning around
E)   bending overF) A) and B)
G) B) and C)

Question 2

Which region of the brain contains the olfactory cortex?

Accepted Answer

A)   temporal lobe
B)   frontal lobe
C)   parietal lobe
D)   brain stem
E)   ponsF) B) and D)
G) B) and C)

Question 3

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 D)
G) A) and C)

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) B) and E)
G) A) and B)

Question 5

Rotational and gravitational equilibrium both involve all of the following except

Accepted Answer

A)   stereocilia.
B)   hair cells.
C)   calcium carbonate granules.
D)   a gelatinous substance within a chamber.
E)   the vestibular nerve.F) A) and E)
G) D) and E)

Question 6

Order the steps involved in the activity of a muscle spindle: 1. Muscle spindle is stretched. 2. Reflex action occurs. 3. Contraction of muscle fibers adjoining the muscle spindle. 4. Nerve signals are generated. 5. The muscle relaxes. 6. The muscle's length increases.

Accepted Answer

A)   1,6,2,4,5,3
B)   2,3,1,4,5,6
C)   5,6,1,4,2,3
D)   2,1,6,3,4,5
E)   5,1,2,4,3,6F) A) and E)
G) All of the above

Question 7

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) A) and E)

Question 8

Sensory receptors of the skin are very distinct--each one has its own function.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following is part of the middle ear?

Accepted Answer

A)   pinna
B)   auditory canal
C)   malleus
D)   cochlea
E)   semicircular canalsF) A) and B)
G) B) and E)

Question 10

All of the parts of the inner ear are concerned with equilibrium.

Accepted Answer

A) True 
 B)False

Question 11

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) D) and E)
G) C) and D)

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

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

Accepted Answer

A) True 
 B)False

Question 14

When you entered the room, there was a faint smell of smoke, but after about an hour, you no longer noticed the smell. What happened?

Accepted Answer

A)   sensory reception
B)   sensory adaptation
C)   mechanoreception
D)   nociception
E)   thermoreceptionF) D) and E)
G) A) and B)

Question 15

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) C) and E)
G) C) and D)

Question 16

The receptors involved in our sense of equilibrium are

Accepted Answer

A)   mechanoreceptors.
B)   chemoreceptors.
C)   nociceptors.
D)   thermoreceptors.
E)   pain receptors.F) A) and C)
G) A) and D)

Question 17

The brain receives input from the proprioceptors, the eyes, and the vestibular nerve to help maintain our equilibrium.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following cutaneous receptor is mismatched with its function?

Accepted Answer

A)   Pacinian corpuscles, fine touch
B)   Meissner corpuscles, fine touch
C)   Krause end bulbs, fine touch
D)   Ruffini endings, pressure
E)   free nerve endings, temperatureF) C) and D)
G) B) and E)

Question 19

Which layer of the eye contains an extensive blood supply?

Accepted Answer

A)   sclera
B)   choroid
C)   retina
D)   lens
E)   corneaF) A) and B)
G) B) and C)

Question 20

If the nerves between the eyes and the ears were switched, stimulation of the mechanoreceptors in the ear would result in

Accepted Answer

A)   hearing sounds.
B)   seeing lights.
C)   both hearing sounds and seeing lights.
D)   deafness.
E)   blindness.F) None of the above
G) B) and D)

Exam 14: Senses

When the ciliary muscle is relaxed, the suspensory ligament is

Correct AnswerverifiedShow Answer

The receptors involved in our sense of equilibrium are

Correct AnswerverifiedShow Answer

Order the steps involved in the activity of a muscle spindle: 1. Muscle spindle is stretched. 2. Reflex action occurs. 3. Contraction of muscle fibers adjoining the muscle spindle. 4. Nerve signals are generated. 5. The muscle relaxes. 6. The muscle's length increases.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Rotational and gravitational equilibrium both involve all of the following except

Correct AnswerverifiedShow Answer

All of the parts of the inner ear are concerned with equilibrium.

Correct AnswerverifiedShow Answer

The utricle is especially sensitive to what type of movements?

Correct AnswerverifiedShow Answer

The brain receives input from the proprioceptors, the eyes, and the vestibular nerve to help maintain our equilibrium.

Correct AnswerverifiedShow Answer

Which layer of the eye contains an extensive blood supply?

Correct AnswerverifiedShow Answer

If the nerves between the eyes and the ears were switched, stimulation of the mechanoreceptors in the ear would result in

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

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

Which region of the brain contains the olfactory cortex?

Correct AnswerverifiedShow Answer

Sensory receptors of the skin are very distinct--each one has its own function.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is not involved in gravitational equilibrium?

Correct AnswerverifiedShow Answer

Which of the following is part of the middle ear?

Correct AnswerverifiedShow Answer

Which of the following cutaneous receptor is mismatched with its function?

Correct AnswerverifiedShow Answer

When you entered the room, there was a faint smell of smoke, but after about an hour, you no longer noticed the smell. What happened?

Correct AnswerverifiedShow Answer

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