Question 1

The gelatinous material that gives the eyeball its basic shape is the

Accepted Answer

A)   vitreous humor.
B)   aqueous humor.
C)   ora serrata.
D)   perilymph.
E)   posterior cavity.F) C) and E)
G) A) and B)

Question 2

How would blockage of the auditory (Eustachian) tube at its exit in the nasopharynx by lymphatic tissue ("adenoids") affect ear function and health?

Accepted Answer

Blockage of the auditory tube leads to p...

Question 3

A sudden increase of light into the eye would cause

Accepted Answer

A)   contraction of the sphincter pupillary muscles.
B)   contraction of the radial pupillary muscles.
C)   conversion of 11-trans to 11-cis retinal.
D)   an increase in the size of the pupil.
E)   parasympathetic stimulation to the pupil.F) None of the above
G) A) and B)

Question 4

The taste sensation that is triggered by the amino acid glutamate is known as

Accepted Answer

A)   sweet.
B)   umami.
C)   salty.
D)   peppery.
E)   sour.F) B) and C)
G) A) and B)

Question 5

When the tympanic membrane vibrates with the same frequency as the incoming sound waves it is known as

Accepted Answer

A)   resonance.
B)   amplitude.
C)   pitch.
D)   hertz.
E)   cycles.F) C) and D)
G) A) and D)

Question 6

During a sinus infection it is difficult to smell because

Accepted Answer

A)   basal cell division decreases.
B)   olfactory glands stop producing mucus.
C)   olfactory supporting cells block odorant molecules from reaching the receptors.
D)   the hypothalamus stops responding to olfactory stimulation.
E)   excess mucus blocks odorant molecules from reaching the receptors.F) All of the above
G) None of the above

Question 7

The structure that forms the "roof" of the spiral organ is the

Accepted Answer

A)   basilar membrane.
B)   tectorial membrane.
C)   stapedius.
D)   perilymph.
E)   endolymph.F) C) and D)
G) A) and B)

Question 8

The olfactory organ consists of the ________ and the lamina propria.

Accepted Answer

A)   gustatory cells
B)   basilar membrane
C)   olfactory epithelium
D)   hippocampus
E)   ethmoid boneF) A) and D)
G) B) and E)

Question 9

The external acoustic meatus ends at the

Accepted Answer

A)   tympanic membrane.
B)   auditory ossicles.
C)   cochlea.
D)   pinna.
E)   vestibule.F) A) and B)
G) C) and D)

Question 10

Visual pigments are derivatives of the compound

Accepted Answer

A)   retinal.
B)   opsin.
C)   rhodopsin.
D)   transducin.
E)   cGMP.F) None of the above
G) All of the above

Question 11

All of the following are true of the neural layer of the eye except that it

Accepted Answer

A)   contains ganglion cells.
B)   contains the photoreceptor cells.
C)   contains bipolar cells.
D)   is the innermost layer of the eyeball.
E)   consists of dense fibrous connective tissue.F) None of the above
G) B) and C)

Question 12

A type of farsightedness that results from a loss of lens elasticity with age is

Accepted Answer

A)   myopia.
B)   hyperopia.
C)   emmetropia.
D)   presbyopia.
E)   diplopia.F) A) and E)
G) B) and C)

Question 13

Which of the following is not one of the six primary taste sensations?

Accepted Answer

A)   sweet
B)   peppery
C)   sour
D)   salty
E)   umamiF) B) and D)
G) C) and D)

Question 14

The function of the auditory tube is to

Accepted Answer

A)   help maintain equilibrium.
B)   amplify sounds.
C)   equalize air pressure on both sides of the tympanic membrane.
D)   redistribute endolymph after hearing a sound.
E)   provide a passageway for sound waves to enter the ear.F) B) and D)
G) B) and C)

Question 15

A young child has been diagnosed with a recessive hereditary disease that results in destruction of thelateral geniculate body. The result of this would be

Accepted Answer

A)   inability to change the focus with your lens.
B)   excessive light bouncing around within the posterior portion of the eyeball.
C)   total blindness.
D)   no production of rhodopsin.
E)   partial loss of vision.F) D) and E)
G) B) and D)

Question 16

Which of the following correctly states how a gustatory receptor will be stimulated by an acidic or sourcompound?

Accepted Answer

A)   G proteins will be activated.
B)   Hydrogen ions will diffuse into the receptor cell causing depolarization.
C)   Sodium ions will diffuse into the receptor cell causing depolarization.
D)   Second messengers will be activated.
E)   Adenylate cyclase will be activated.F) A) and B)
G) B) and D)

Question 17

An adult has approximately ________ taste buds.

Accepted Answer

A)   100
B)   10,000
C)   4,000,000
D)   500
E)   50,000F) All of the above
G) A) and B)

Question 18

Conflicting sensory information from visual and movement signals may cause

Accepted Answer

A)   ringing in the ears.
B)   temporary deafness.
C)   difficulty hearing low tones.
D)   motion sickness.
E)   enhanced hearing.F) B) and D)
G) D) and E)

Question 19

The cochlear duct lies between which two structures?

Accepted Answer

A)   utricle and saccule
B)   vestibule and semicircular canals
C)   basilar and tectorial membranes
D)   scala vestibuli and scala tympani
E)   ganglion cells and the cochlear nerveF) A) and B)
G) B) and E)

Question 20

When you spin quickly, you may feel dizzy. Which component of the inner ear generates the sensations thatcan lead to this feeling?

Accepted Answer

A)   spiral organ
B)   maculae
C)   otoliths
D)   semicircular canals
E)   ossiclesF) A) and D)
G) B) and D)

Exam 17: The Special Senses

A young child has been diagnosed with a recessive hereditary disease that results in destruction of thelateral geniculate body. The result of this would be

Correct AnswerverifiedShow Answer

The olfactory organ consists of the ________ and the lamina propria.

Correct AnswerverifiedShow Answer

All of the following are true of the neural layer of the eye except that it

Correct AnswerverifiedShow Answer

When you spin quickly, you may feel dizzy. Which component of the inner ear generates the sensations thatcan lead to this feeling?

Correct AnswerverifiedShow Answer

Conflicting sensory information from visual and movement signals may cause

Correct AnswerverifiedShow Answer

When the tympanic membrane vibrates with the same frequency as the incoming sound waves it is known as

Correct AnswerverifiedShow Answer

Which of the following is not one of the six primary taste sensations?

Correct AnswerverifiedShow Answer

A sudden increase of light into the eye would cause

Correct AnswerverifiedShow Answer

The structure that forms the "roof" of the spiral organ is the

Correct AnswerverifiedShow Answer

Visual pigments are derivatives of the compound

Correct AnswerverifiedShow Answer

How would blockage of the auditory (Eustachian) tube at its exit in the nasopharynx by lymphatic tissue ("adenoids") affect ear function and health?

Correct AnswerverifiedBlockage of the auditory tube leads to p...View AnswerShow Answer

The external acoustic meatus ends at the

Correct AnswerverifiedShow Answer

During a sinus infection it is difficult to smell because

Correct AnswerverifiedShow Answer

The function of the auditory tube is to

Correct AnswerverifiedShow Answer

The gelatinous material that gives the eyeball its basic shape is the

Correct AnswerverifiedShow Answer

An adult has approximately ________ taste buds.

Correct AnswerverifiedShow Answer

The taste sensation that is triggered by the amino acid glutamate is known as

Correct AnswerverifiedShow Answer

The cochlear duct lies between which two structures?

Correct AnswerverifiedShow Answer

A type of farsightedness that results from a loss of lens elasticity with age is

Correct AnswerverifiedShow Answer

Which of the following correctly states how a gustatory receptor will be stimulated by an acidic or sourcompound?

Correct AnswerverifiedShow Answer

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Blockage of the auditory tube leads to p...
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