Question 1

Which of the following is not one of the special senses?

Accepted Answer

A)  Olfaction
B)  Vision
C)  Taste
D)  Touch
E)  Hearing

Question 2

Night blindness would be caused by which of the following?

Accepted Answer

A)  Loss of cones
B)  Damage to the optic nerve
C)  Damage to the retina
D)  Loss of rods
E)  Damage to the lens

Question 3

Which of the following is not one of the general senses?

Accepted Answer

A)  Touch
B)  Temperature
C)  Pain
D)  Vision
E)  Position

Question 4

The retina transduces light energy into action potentials.

Accepted Answer

A) True 
 B)False

Question 5

A pheromone is a volatile chemical substance that elicits a specific response in members of a different species.

Accepted Answer

A) True 
 B)False

Question 6

Where would you expect to find c-opsin in a human eye?

Accepted Answer

A)  The lens
B)  The optic nerve
C)  The pupil
D)  The cornea
E)  The retina

Question 7

Where is r-opsin found in vertebrates?

Accepted Answer

A)  Rods
B)  Cones
C)  The optic nerve
D)  Ganglion cells
E)  Vertebrates no longer have r-opsin

Question 8

The nerve that conducts impulses to the area of the brain that determines sound is the:

Accepted Answer

A)  Olfactory nerve
B)  Auditory nerve
C)  Optic nerve
D)  Retinal nerve
E)  Pons

Question 9

In farsightedness rays of light focus ____________ the retina.This may be corrected by using eyeglasses with __________________ lenses.

Accepted Answer

A)  In front of, concave
B)  In front of, convex
C)  Behind, uneven
D)  Behind, concave
E)  Behind, convex

Question 10

If a person has been prescribed eyeglasses with concave lenses it is most likely to correct for that person:

Accepted Answer

A)  Having astigmatism
B)  Being farsighted
C)  Being cross-eyed
D)  None of the above are correct
E)  Being nearsighted

Question 11

In nearsightedness rays of light focus _____________ the retina.This may be corrected by using eyeglasses with ________________ lenses.

Accepted Answer

A)  Behind, convex
B)  In front of, convex
C)  Behind, uneven
D)  Behind, concave
E)  In front of, concave

Question 12

Receptors for the special senses are limited to the:

Accepted Answer

A)  Head
B)  Tongue
C)  Ears
D)  Feet
E)  Abdomen

Question 13

A platypus senses its prey not only through touch,but also by sensing electricity.Why would the prey of a platypus generate an electrical field?

Accepted Answer

A)  Muscle contractions generate an electrical current
B)  The prey use the electrical fields to attract mates
C)  Electrical currents are produced during metabolism
D)  Electrical currents are used by the prey to repel predators
E)  Some prey like fireflies emit electrical fields

Question 14

The layer of the wall of the eye that is modified into the cornea at the front of the eye is the:

Accepted Answer

A)  Choroid
B)  Retina
C)  Vitreous humor
D)  Sclera
E)  Aqueous humor

Question 15

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 receptor

Question 16

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

Question 17

Which of the following contribute to vision in a ragworm?

Accepted Answer

A)  c-opsin
B)  r-opsin
C)  both r-opsin and c-opsin
D)  neither r-opsin or c-opsin

Question 18

A phenomenon in which sensations become more noticeable with prolonged exposure to the stimulus is termed sensory adaptation.

Accepted Answer

A) True 
 B)False

Question 19

A common light-sensitive pigment that absorbs light and changes shape thereby altering the charge across the membrane of a photoreceptor is:

Accepted Answer

A)  Carotene
B)  Chlorophyll
C)  Glutamate
D)  Rhodopsin
E)  Tyrosine

Question 20

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

Exam 26: The Senses Content

The nerve that conducts impulses to the area of the brain that determines sound is the:

Correct AnswerverifiedShow Answer

If a person has been prescribed eyeglasses with concave lenses it is most likely to correct for that person:

Correct AnswerverifiedShow Answer

A common light-sensitive pigment that absorbs light and changes shape thereby altering the charge across the membrane of a photoreceptor is:

Correct AnswerverifiedShow Answer

A pheromone is a volatile chemical substance that elicits a specific response in members of a different species.

Correct AnswerverifiedShow Answer

A phenomenon in which sensations become more noticeable with prolonged exposure to the stimulus is termed sensory adaptation.

Correct AnswerverifiedShow Answer

The retina transduces light energy into action potentials.

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

The layer of the wall of the eye that is modified into the cornea at the front of the eye is the:

Correct AnswerverifiedShow Answer

A platypus senses its prey not only through touch,but also by sensing electricity.Why would the prey of a platypus generate an electrical field?

Correct AnswerverifiedShow Answer

Night blindness would be caused by which of the following?

Correct AnswerverifiedShow Answer

In farsightedness rays of light focus ____________ the retina.This may be corrected by using eyeglasses with __________________ lenses.

Correct AnswerverifiedShow Answer

Where is r-opsin found in vertebrates?

Correct AnswerverifiedShow Answer

Which of the following is not one of the special senses?

Correct AnswerverifiedShow Answer

Where would you expect to find c-opsin in a human eye?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

In nearsightedness rays of light focus _____________ the retina.This may be corrected by using eyeglasses with ________________ lenses.

Correct AnswerverifiedShow Answer

Which of the following is not one of the general senses?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following contribute to vision in a ragworm?

Correct AnswerverifiedShow Answer

Receptors for the special senses are limited to the:

Correct AnswerverifiedShow Answer

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In farsightedness rays of light focus the retina.This may be corrected by using eyeglasses with ______ lenses.

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In nearsightedness rays of light focus _ the retina.This may be corrected by using eyeglasses with ____ lenses.

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