Question 1

Rod cells provide color vision and allow us to see at night.

Accepted Answer

A) True 
 B)False

Question 2

If you were asked to design a surgical experiment to turn off a general sense in a mouse,which sense would it be inappropriate to plan to work on?

Accepted Answer

A)   touch
B)   temperature
C)   pain
D)   vision
E)   positionF) A) and D)
G) B) and D)

Question 3

Which sense uses receptors from a class outside the mechanoreceptors?

Accepted Answer

A)   hearing
B)   touch
C)   taste
D)   equilibriumE) A) and D)
F) C) and D)

Question 4

What advantage would a flatworm with a simple cup eye have over an organism with no photoreceptor cells?

Accepted Answer

A)   They could see structures.
B)   They could see color.
C)   They would have depth perception.
D)   They could orient themselves by detecting light and shadows.
E)   There would be no advantage to having such a simple eye.F) All of the above
G) A) and B)

Question 5

If you wanted to keep your roommates from smelling,and then eating,freshly baked cookies,you could use a drug to disrupt what?

Accepted Answer

A)   mechanoreceptor
B)   thermoreceptor
C)   photoreceptor
D)   chemoreceptor
E)   proprioreceptorF) B) and C)
G) C) and D)

Question 6

In humans,taste buds are most highly concentrated on the inside surface of the lips of the mouth.

Accepted Answer

A) True 
 B)False

Question 7

If you had a friend who was unable to see color,you would expect that your friend's eyes had defective

Accepted Answer

A)   cone cells.
B)   rod cells.
C)   cornea.
D)   iris.
E)   optic nerve.F) A) and E)
G) A) and D)

Question 8

When you sit up and feel dizzy while your hearing remains normal,which of the following is being activated in one part your ear?

Accepted Answer

A)   thermoreceptor in ear lobe
B)   photoreceptor in skin
C)   mechanoreceptor in vestibular apparatus
D)   proprioreceptor in cochlea
E)   chemoreceptor in ear drumF) A) and E)
G) C) and E)

Question 9

In humans,which of the following is used primarily to detect sharp blows and excessive heat?

Accepted Answer

A)   mechanoreceptor
B)   chemoreceptor
C)   proprioreceptor
D)   thermoreceptor
E)   pain receptorF) B) and E)
G) D) and E)

Question 10

The brain determines loudness of a sound by the number of neurons that are firing and the rate at which they fire.

Accepted Answer

A) True 
 B)False

Question 11

All organisms with eyes have the pax6 gene that regulates eye formation and light-absorbing pigments called opsins.What does this suggest about the evolution of vision?

Accepted Answer

A)   Organisms with eyes evolved from an early common ancestor.
B)   Organisms with eyes evolved independently, multiple times in the past.
C)   Eyes are too complex to have been produced by evolution.
D)   Simpler eyes were replaced by more complex eyes and are no longer seen in modern animals.
E)   Eyes in modern animals are all the same.F) A) and B)
G) A) and C)

Question 12

At the snail-shaped _______________,sound is transduced into nerve impulses.

Accepted Answer

A)   vestibule
B)   malleus
C)   utricle
D)   cochlea
E)   incusF) B) and C)
G) C) and D)

Question 13

A phenomenon in which sensations become less noticeable with prolonged exposure is called

Accepted Answer

A)   gradient adaptation.
B)   an action potential.
C)   a graded potential.
D)   radiating adaptation.
E)   sensory adaptation.F) B) and E)
G) D) and E)

Question 14

Sensory adaptation occurs when perception of one sense declines due to repeated stimulation.

Accepted Answer

A) True 
 B)False

Question 15

Receptors for the special senses are limited to the

Accepted Answer

A)   head.
B)   tongue.
C)   ears.
D)   feet.
E)   abdomen.F) None of the above
G) C) and D)

Question 16

All animal eyes have a macula.

Accepted Answer

A) True 
 B)False

Question 17

A new kind of mouse has been discovered,which lives in conditions very much like those encountered by the naked mole rat.You would predict that these mice have what kind of threshold potential for the pain receptors which relate to tissue acidity?

Accepted Answer

A)   lowered
B)   elevated
C)   eliminated
D)   unchanged
E)   None of the answer choices are correct.F) B) and E)
G) A) and E)

Question 18

If you lose your sensitivity to the sound of the waves but still notice a seagull flying above you,what is happening?

Accepted Answer

A)   sensory adaptation in sight involving thermoreceptors
B)   sensory adaptation in sight and hearing involving mechanoreceptors
C)   competition between processing of hearing and sight involving light receptors
D)   sensory adaptation in hearing involving mechanoreceptors
E)   general sensory diminution involving mechanoreceptors and thermoreceptorsF) A) and E)
G) D) and E)

Question 19

In humans,which of the following is used primarily to detect light?

Accepted Answer

A)   photoreceptor
B)   proprioreceptor
C)   chemoreceptor
D)   mechanoreceptor
E)   electroreceptorF) None of the above
G) A) and C)

Question 20

Olfaction is another name for the sense of

Accepted Answer

A)   body position.
B)   smell.
C)   hearing.
D)   pain.
E)   equilibrium.F) D) and E)
G) B) and C)

Exam 27: The Senses

In humans,which of the following is used primarily to detect sharp blows and excessive heat?

Correct AnswerverifiedShow Answer

If you lose your sensitivity to the sound of the waves but still notice a seagull flying above you,what is happening?

Correct AnswerverifiedShow Answer

At the snail-shaped _______________,sound is transduced into nerve impulses.

Correct AnswerverifiedShow Answer

Receptors for the special senses are limited to the

Correct AnswerverifiedShow Answer

What advantage would a flatworm with a simple cup eye have over an organism with no photoreceptor cells?

Correct AnswerverifiedShow Answer

If you were asked to design a surgical experiment to turn off a general sense in a mouse,which sense would it be inappropriate to plan to work on?

Correct AnswerverifiedShow Answer

If you wanted to keep your roommates from smelling,and then eating,freshly baked cookies,you could use a drug to disrupt what?

Correct AnswerverifiedShow Answer

If you had a friend who was unable to see color,you would expect that your friend's eyes had defective

Correct AnswerverifiedShow Answer

All animal eyes have a macula.

Correct AnswerverifiedShow Answer

Rod cells provide color vision and allow us to see at night.

Correct AnswerverifiedShow Answer

Sensory adaptation occurs when perception of one sense declines due to repeated stimulation.

Correct AnswerverifiedShow Answer

In humans,taste buds are most highly concentrated on the inside surface of the lips of the mouth.

Correct AnswerverifiedShow Answer

A new kind of mouse has been discovered,which lives in conditions very much like those encountered by the naked mole rat.You would predict that these mice have what kind of threshold potential for the pain receptors which relate to tissue acidity?

Correct AnswerverifiedShow Answer

When you sit up and feel dizzy while your hearing remains normal,which of the following is being activated in one part your ear?

Correct AnswerverifiedShow Answer

Which sense uses receptors from a class outside the mechanoreceptors?

Correct AnswerverifiedShow Answer

Olfaction is another name for the sense of

Correct AnswerverifiedShow Answer

The brain determines loudness of a sound by the number of neurons that are firing and the rate at which they fire.

Correct AnswerverifiedShow Answer

In humans,which of the following is used primarily to detect light?

Correct AnswerverifiedShow Answer

A phenomenon in which sensations become less noticeable with prolonged exposure is called

Correct AnswerverifiedShow Answer

All organisms with eyes have the pax6 gene that regulates eye formation and light-absorbing pigments called opsins.What does this suggest about the evolution of vision?

Correct AnswerverifiedShow Answer

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