Question 1

Which of the following is a FALSE statement?

Accepted Answer

A)  The iris regulates the amount of light reaching the retina.
B)  The rods are involved in black-and-white vision.
C)  There is a blind spot where the optic nerve joins the retina.
D)  The sclera is the outer coat of the eye.
E)  The anterior chamber is filled with vitreous humor.F) A) and B)
G) B) and E)

Question 2

From your understanding of the anatomy of the ear,what is the most likely explanation for a dog's ability to hear higher frequencies (pitch) ?

Accepted Answer

A)  more ear bones for greater amplification
B)  larger outer ears
C)  a thinner and therefore more sensitive tympanum (eardrum) 
D)  a wider range to the tectorial membrane and hair cells
E)  a more advanced brain section devoted to hearingF) A) and B)
G) A) and C)

Question 3

When you perceive a sense of taste,your brain

Accepted Answer

A)  responds to the one taste sense (sweet,sour,etc.) that is sending the most signals.
B)  takes an average of the taste messages being received.
C)  uses memory to form a taste image after eliminating those signals (sweet,salty,etc.) not received.
D)  identifies the chemical profile as a mix of sweet,sour,etc.and remembers the taste from previous experiences.
E)  takes a near-infinite variety of taste signals and generalizes them into one of the four primary tastes.F) A) and B)
G) C) and D)

Question 4

List the function of each of the parts of the eye:
Sclera:
Ciliary body:
Pupil:
Rods:
Optic nerve:

Accepted Answer

The functions of the following structure...

Question 5

A person who is farsighted cannot see close objects because

Accepted Answer

A)  the lens is too small.
B)  the optic nerve is damaged.
C)  the eyeball is too short.
D)  the eyeball is too long.
E)  of a lack of rod receptors.F) C) and D)
G) A) and C)

Question 6

You go to the doctor because you have been experiencing dizziness.Where does the doctor look first?

Accepted Answer

A)  in your ears
B)  in your mouth
C)  in your eyes
D)  in your nose
E)  at your skinF) C) and D)
G) A) and E)

Question 7

What causes "loudness"?

Accepted Answer

A)  The wave frequency or number of vibrations per second increases.
B)  The fluid in the cochlea vibrates with more force and this causes the basilar membrane to move more up and down with greater force.
C)  The distribution of hair cells that are stimulated changes.
D)  The louder the noise,the more both ears send the same nerve impulses.
E)  The auditory reception region of the brain simply assigns greater volume to sounds coming from sources that are visually recognized as being louder.F) A) and E)
G) C) and D)

Question 8

What are the three areas of the inner ear?

Accepted Answer

A)  semicircular canals,vestibule,and cochlea
B)  semicircular canals,vestibule,and organ of Corti
C)  malleus,vestibule,and cochlea
D)  malleus,incus,and stapes
E)  malleus,incus,and vestibuleF) C) and D)
G) A) and D)

Question 9

When a stimulus is continuous but we no longer respond to it,the process is called

Accepted Answer

A)  integration.
B)  proprioception.
C)  somatic sensing.
D)  countersensation.
E)  sensory adaptation.F) A) and D)
G) D) and E)

Question 10

Senses whose receptors are associated with the skin,muscles,joints,and viscera are called internal senses.

Accepted Answer

A) True 
 B)False

Question 11

If you did not have hair within your inner ear,you would not be able to hear.

Accepted Answer

A) True 
 B)False

Question 12

The correct order in which a light ray enters the eye is

Accepted Answer

A)  cornea  →\rightarrow→   vitreous humor  →\rightarrow→   lens  →\rightarrow→   aqueous humor →\rightarrow→  retina.
B)  lens  →\rightarrow→   vitreous humor →\rightarrow→  cornea  →\rightarrow→   aqueous humor  →\rightarrow→  retina.
C)  lens  →\rightarrow→   cornea  →\rightarrow→   aqueous humor  →\rightarrow→  vitreous humor  →\rightarrow→   retina.
D)  cornea  →\rightarrow→   aqueous humor  →\rightarrow→   lens  →\rightarrow→   vitreous humor  →\rightarrow→   retina.
E)  lens  →\rightarrow→   aqueous humor  →\rightarrow→  cornea  →\rightarrow→   vitreous humor  →\rightarrow→  retina. F) All of the above
G) B) and D)

Question 13

There are separate nociceptors for mechanical damage and damage due to toxic substances.

Accepted Answer

A) True 
 B)False

Question 14

What part of the brain do the olfactory bulbs connect to?

Accepted Answer

A)  limbic system
B)  pons
C)  medulla
D)  brain stem
E)  temporal lobeF) A) and B)
G) A) and C)

Question 15

Interoceptors are regulated by a positive feedback mechanism.

Accepted Answer

A) True 
 B)False

Question 16

What is the location of the sensory receptors associated with the sense of smell?

Accepted Answer

A)  roof of the nasal cavity
B)  inner lining of the nose
C)  back of the pharynx
D)  inferior portion of the nasal cavity
E)  frontal lobe of the cerebral hemisphereF) A) and E)
G) A) and B)

Question 17

There is perhaps a fifth type of taste bud sensitive to umami.

Accepted Answer

A) True 
 B)False

Question 18

What change in shape will happen to the lens when an individual tries to focus on an image that is close?

Accepted Answer

A)  The lens will round up in order to bring the image to focus on the retina.
B)  The lens will flatten out in order to bring the image to focus on the retina.
C)  The lens will round up in order to bring the image to focus on the sclera.
D)  The lens will flatten out in order to bring the image to focus on the sclera.
E)  The lens does not change shape in order to focus on an image that is close up.F) B) and D)
G) A) and E)

Question 19

Which is NOT a correct association of sensory problems?

Accepted Answer

A)  color blindness-lack of red or green cones
B)  deafness-infection with certain viruses such as the rubella virus
C)  cataracts-lens becomes opaque with aging and sun exposure
D)  nearsighted-unable to see near objects in detail
E)  otosclerosis-new bones overgrow the stirrup,requiring surgeryF) None of the above
G) B) and E)

Question 20

Which of these is true of all receptors?

Accepted Answer

A)  All receptors are sensitive to all the different types of stimuli.
B)  They are all stimulated by a change in the external environment.
C)  They are all found at the ends of neurons and initiate a nerve impulse that is carried to the brain.
D)  They not only receive stimuli but also interpret them.
E)  They are all located in the hypothalamus and skin.F) All of the above
G) C) and E)

Exam 18: Senses

What change in shape will happen to the lens when an individual tries to focus on an image that is close?

Correct AnswerverifiedShow Answer

When you perceive a sense of taste,your brain

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Interoceptors are regulated by a positive feedback mechanism.

Correct AnswerverifiedShow Answer

Which is NOT a correct association of sensory problems?

Correct AnswerverifiedShow Answer

What is the location of the sensory receptors associated with the sense of smell?

Correct AnswerverifiedShow Answer

There are separate nociceptors for mechanical damage and damage due to toxic substances.

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You go to the doctor because you have been experiencing dizziness.Where does the doctor look first?

Correct AnswerverifiedShow Answer

List the function of each of the parts of the eye: Sclera: Ciliary body: Pupil: Rods: Optic nerve:

Correct AnswerverifiedThe functions of the following structure...View AnswerShow Answer

The correct order in which a light ray enters the eye is

Correct AnswerverifiedShow Answer

What causes "loudness"?

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Senses whose receptors are associated with the skin,muscles,joints,and viscera are called internal senses.

Correct AnswerverifiedShow Answer

Which of these is true of all receptors?

Correct AnswerverifiedShow Answer

When a stimulus is continuous but we no longer respond to it,the process is called

Correct AnswerverifiedShow Answer

There is perhaps a fifth type of taste bud sensitive to umami.

Correct AnswerverifiedShow Answer

What are the three areas of the inner ear?

Correct AnswerverifiedShow Answer

A person who is farsighted cannot see close objects because

Correct AnswerverifiedShow Answer

Which of the following is a FALSE statement?

Correct AnswerverifiedShow Answer

What part of the brain do the olfactory bulbs connect to?

Correct AnswerverifiedShow Answer

If you did not have hair within your inner ear,you would not be able to hear.

Correct AnswerverifiedShow Answer

From your understanding of the anatomy of the ear,what is the most likely explanation for a dog's ability to hear higher frequencies (pitch) ?

Correct AnswerverifiedShow Answer

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The functions of the following structure...
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