Question 1

Which structure in the eye refracts and focuses light rays?

Accepted Answer

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

Question 2

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

Question 3

Which disorder of the eye is due to an accumulation of aqueous humor?

Accepted Answer

A)  glaucoma
B)  color blindness
C)  nearsightedness
D)  farsightedness
E)  astigmatismF) A) and E)
G) B) and C)

Question 4

Golgi tendon organs are a type of cutaneous receptor for touch.

Accepted Answer

A) True 
 B)False

Question 5

Hearing actually results from the bending of stereocilia.

Accepted Answer

A) True 
 B)False

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

Where are thermoreceptors located?

Accepted Answer

A)  aorta and vena cava
B)  muscles,joints,and tendons
C)  hypothalamus and skin
D)  nasal cavity and tongue
E)  semicircular canals of the earF) A) and B)
G) B) and D)

Question 8

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

Question 9

Which part of the brain is involved in sensory adaptation?

Accepted Answer

A)  ventricles
B)  cerebellum
C)  medulla oblongata
D)  pons
E)  thalamusF) All of the above
G) A) and B)

Question 10

Which layer of the eye contains an extensive blood supply?

Accepted Answer

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

Question 11

Memories are often elicited by smell.

Accepted Answer

A) True 
 B)False

Question 12

When blood pressure increases,what type of sensory receptor detects this?

Accepted Answer

A)  an exteroceptor called a chemoreceptor
B)  an exteroceptor called a osmoreceptor
C)  an exteroceptor called a nociceptor
D)  an interoceptor called a baroreceptor
E)  an interoceptor called a chemoreceptorF) B) and C)
G) C) and E)

Question 13

Which of the following statements is not true concerning olfactory cells?

Accepted Answer

A)  Olfactory cells are located in the roof of the nasal cavity.
B)  Olfactory cells are modified neurons.
C)  Each olfactory cell has only one out of several hundred different types of receptor proteins.
D)  Each olfactory cell has its own individual neuron leading to the olfactory bulb.
E)  Olfactory cells end in a tuft of about five cilia.F) A) and E)
G) C) and E)

Question 14

It is just a myth that eating carrots will improve your night vision.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is not a layer or coat of the eye?

Accepted Answer

A)  sclera
B)  choroid
C)  retina
D)  aqueous humor
E)  collagen fibersF) A) and D)
G) B) and D)

Question 16

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 17

Which of the following is not involved in gravitational equilibrium?

Accepted Answer

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

Question 18

How can you tell the difference between the sound of a tuba and that of a flute?

Accepted Answer

A)  Each part of the spiral organ is sensitive to different wave frequencies.
B)  The brain interprets pitches based on the strength of the sound waves.
C)  Lower pitches cause the tympanic membrane to vibrate while higher pitches vibrate the vestibular canal.
D)  Lower pitches activate all three bones of the middle ear,while higher pitches only activate one or two.
E)  The cochlear nerve fires more frequently for higher pitches and less frequently for lower pitches.F) B) and D)
G) None of the above

Question 19

If you get seasick,the rotational equilibrium pathway is confused.

Accepted Answer

A) True 
 B)False

Question 20

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

Exam 15: Senses

Which of the following is not involved in gravitational equilibrium?

Correct AnswerverifiedShow Answer

Which disorder of the eye is due to an accumulation of aqueous humor?

Correct AnswerverifiedShow Answer

Which layer of the eye contains an extensive blood supply?

Correct AnswerverifiedShow Answer

Rotational and gravitational equilibrium both involve all of the following except

Correct AnswerverifiedShow Answer

Which part of the brain is involved in sensory adaptation?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which structure in the eye refracts and focuses light rays?

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

When blood pressure increases,what type of sensory receptor detects this?

Correct AnswerverifiedShow Answer

Which region of the brain contains the olfactory cortex?

Correct AnswerverifiedShow Answer

Memories are often elicited by smell.

Correct AnswerverifiedShow Answer

Golgi tendon organs are a type of cutaneous receptor for touch.

Correct AnswerverifiedShow Answer

Which of the following statements is not true concerning olfactory cells?

Correct AnswerverifiedShow Answer

Hearing actually results from the bending of stereocilia.

Correct AnswerverifiedShow Answer

If you get seasick,the rotational equilibrium pathway is confused.

Correct AnswerverifiedShow Answer

It is just a myth that eating carrots will improve your night vision.

Correct AnswerverifiedShow Answer

Which of the following is not a layer or coat of the eye?

Correct AnswerverifiedShow Answer

Where are thermoreceptors located?

Correct AnswerverifiedShow Answer

How can you tell the difference between the sound of a tuba and that of a flute?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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