Question 1

Taste buds

Accepted Answer

A)   are located on the tongue, hard palate, pharynx, and epiglottis.
B)   are responsible for 100% of what we perceive as "taste."
C)   respond to over 100 different types of taste.
D)   are actually naked nerve endings.
E)   have a direct connection with the limbic system and its centers for emotion and memory.F) A) and C)
G) A) and D)

Question 2

What is the correct order of cells within the retina starting in the posterior compartment and ending in the choroid?

Accepted Answer

A)   rod and cone cell layer, bipolar cell layer, ganglion cell layer
B)   sclera, rod and cone cell layer, ganglion cell layer
C)   bipolar cell layer, rod and cone cell layer, sclera
D)   ganglion cell layer, bipolar cell layer, rod and cone cell layer
E)   ganglion cell layer, rod and cone cell layer, scleraF) A) and C)
G) All of the above

Question 3

The receptor proteins for odor molecules are actually located on cilia.

Accepted Answer

A) True 
 B)False

Question 4

Which layer of the eye contains an extensive blood supply?

Accepted Answer

A)   sclera
B)   choroid
C)   retinaD) All of the above
E) B) and C)

Question 5

Papillae occur along the walls of the taste buds on the tongue.

Accepted Answer

A) True 
 B)False

Question 6

Cold receptors are free nerve endings while warmth receptors are Merkel disks.

Accepted Answer

A) True 
 B)False

Question 7

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

Question 8

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) B) and E)
G) All of the above

Question 9

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

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

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

Question 12

Nociceptors are a type of chemoreceptor.

Accepted Answer

A) True 
 B)False

Question 13

In what way are the senses of taste and smell different?

Accepted Answer

A)   Taste buds are modified neurons and olfactory cells contain a pore with supporting cells and elongated cells.
B)   Taste buds contain cilia while olfactory cells contain microvilli.
C)   Taste depends on a "weighted average" of all the taste messages while smell depends on the signature of olfactory cells stimulated.
D)   There are 100s of different tastes while only 5 different smell families.
E)   The sensation of taste occurs in the spinal cord while the sensation of smell occurs in the cerebral cortex.F) A) and D)
G) A) and C)

Question 14

Which of the following is involved in rotational equilibrium?

Accepted Answer

A)   otoliths
B)   saccule
C)   utricle
D)   ampulla
E)   kinociliumF) B) and E)
G) All of the above

Question 15

Hearing actually results from the bending of stereocilia.

Accepted Answer

A) True 
 B)False

Question 16

What controls the shape of the lens?

Accepted Answer

A)   ciliary muscle
B)   cornea
C)   iris
D)   pupil
E)   fovea centralisF) B) and C)
G) B) and E)

Question 17

The type of taste called umami allows us to enjoy what type of flavor?

Accepted Answer

A)   sweet
B)   savory
C)   sour
D)   salty
E)   bitterF) B) and C)
G) A) and D)

Question 18

How can you tell the difference between a tuba and 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) A) and E)
G) C) and D)

Question 19

Nearsighted people cannot see objects that are close.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is a genetic mutation that affects males more than females?

Accepted Answer

A)   astigmatism
B)   farsightedness
C)   nearsightedness
D)   red green color blindnessE) A) and C)
F) A) and D)

Exam 14: Senses

Nociceptors are a type of chemoreceptor.

Correct AnswerverifiedShow Answer

Which layer of the eye contains an extensive blood supply?

Correct AnswerverifiedShow Answer

What is the correct order of cells within the retina starting in the posterior compartment and ending in the choroid?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What controls the shape of the lens?

Correct AnswerverifiedShow Answer

The type of taste called umami allows us to enjoy what type of flavor?

Correct AnswerverifiedShow Answer

Hearing actually results from the bending of stereocilia.

Correct AnswerverifiedShow Answer

Taste buds

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Cold receptors are free nerve endings while warmth receptors are Merkel disks.

Correct AnswerverifiedShow Answer

In what way are the senses of taste and smell different?

Correct AnswerverifiedShow Answer

Which of the following is involved in rotational equilibrium?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The receptor proteins for odor molecules are actually located on cilia.

Correct AnswerverifiedShow Answer

Which of the following is a genetic mutation that affects males more than females?

Correct AnswerverifiedShow Answer

Where are thermoreceptors located?

Correct AnswerverifiedShow Answer

Papillae occur along the walls of the taste buds on the tongue.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Nearsighted people cannot see objects that are close.

Correct AnswerverifiedShow Answer

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