Question 1

In the dark (absence of a stimulus) , the photoreceptors are:

Accepted Answer

A)   bleached.
B)   polarized.
C)   depolarized.
D)   hyperpolarized.E) None of the above
F) A) and B)

Question 2

Explain how rubbing your eyes with dirty hands can lead to an infection in the nasal cavity.

Accepted Answer

The eye and the nasal cavity are connect...

Question 3

The vibrations received by the tympanic membrane are transferred to the oval window by the:

Accepted Answer

A)   auditory ossicles.
B)   cochlea.
C)   stapedius muscle.
D)   oval window.E) B) and D)
F) A) and C)

Question 4

Ginger wears glasses to see distant objects when she drives. She does not need glasses to see objects that are close. Determine the refractive problem she has and how her glasses correct this problem.

Accepted Answer

Ginger is affected by myopia (nearsighte...

Question 5

The sclera is continuous with a transparent layer over the anterior eye known as the:

Accepted Answer

A)   choroid.
B)   lens.
C)   cornea.
D)   conjunctiva.E) B) and D)
F) A) and C)

Question 6

The receptor cells of the semicircular canals are located in the:

Accepted Answer

A)   perilymph.
B)   ampullae.
C)   saccules.
D)   utricles.E) C) and D)
F) B) and C)

Question 7

The eye contains two cavities situated within the anterior chamber.

Accepted Answer

A) True 
 B)False

Question 8

A nurse administers pilocarpine eye drops. The nurse instructs the patient to press on the nasolacrimal
duct for 30 seconds because the medication can have some systemic side effects, such as affecting the heart rate. Explain the rationale for pressing on the nasolacrimal duct.

Accepted Answer

The nasolacrimal duct connects the eye t...

Question 9

What part of the inner ear is involved in hearing?

Accepted Answer

A)   saccule
B)   utricle
C)   cochlea
D)   vestibuleE) A) and D)
F) B) and C)

Question 10

The receptor cells for static equilibrium are located in the:

Accepted Answer

A)   spiral organ (organ of Corti)  of the cochlea.
B)   otolithic membrane of the utricle and saccule of the vestibule.
C)   ampullae of the semicircular canals.
D)   maculae of the utricle and saccule of the vestibule.E) A) and B)
F) A) and C)

Question 11

Match the following with the parts of the eye.
  
-Area of retina specialized for detailed vision

Accepted Answer

The answer of Match the following with the parts of...

Question 12

The five major taste sensations are sweet, salty, bitter, sour, and umami.

Accepted Answer

A) True 
 B)False

Question 13

Describe how the iris regulates light entry into the eye during sympathetic and parasympathetic stimulation.

Accepted Answer

The iris contains two muscles that impro...

Question 14

Match the following with the parts of the eye.
  
-Iris

Accepted Answer

The answer of Match the following with the parts of...

Question 15

What taste sensation results when sodium ions enter gustatory cells through sodium ion channel receptors, and the cell depolarizes?

Accepted Answer

A)   bitter
B)   salty
C)   umami
D)   sourE) A) and C)
F) A) and B)

Question 16

The most taste buds are present in:

Accepted Answer

A)   filiform papillae.
B)   fungiform papillae.
C)   foliate papillae.
D)   vallate (circumvallate)  papillae.E) None of the above
F) A) and B)

Question 17

What region of the retina contains a high density of photoreceptor cells and allows for extremely detailed vision?

Accepted Answer

A)   ora serrata
B)   optic disc
C)   ciliary body
D)   fovea centralisE) A) and B)
F) None of the above

Question 18

Special senses, such as sight and sound, are detected by:

Accepted Answer

A)   motor neurons.
B)   sensory neurons.
C)   both cranial nerves and spinal nerves.
D)   special cells that transduce stimuli into electrical signals.E) C) and D)
F) B) and D)

Question 19

The bending of stereocilia depolarizes or hyperpolarizes hair cells within the utricle and saccule and promote a sensation of:

Accepted Answer

A)   spinning in a circle.
B)   sound.
C)   linear movement of the head.
D)   turning of the head to the left or right.E) A) and B)
F) B) and C)

Question 20

When you bend your head, gravity pulls on the otolithic membrane, bending the stereocilia either toward or away from the kinocilium.

Accepted Answer

A) True 
 B)False

Exam 15: The Special Senses

The eye contains two cavities situated within the anterior chamber.

Correct AnswerverifiedShow Answer

The bending of stereocilia depolarizes or hyperpolarizes hair cells within the utricle and saccule and promote a sensation of:

Correct AnswerverifiedShow Answer

Ginger wears glasses to see distant objects when she drives. She does not need glasses to see objects that are close. Determine the refractive problem she has and how her glasses correct this problem.

Correct AnswerverifiedGinger is affected by myopia (nearsighte...View AnswerShow Answer

Describe how the iris regulates light entry into the eye during sympathetic and parasympathetic stimulation.

Correct AnswerverifiedThe iris contains two muscles that impro...View AnswerShow Answer

A nurse administers pilocarpine eye drops. The nurse instructs the patient to press on the nasolacrimal duct for 30 seconds because the medication can have some systemic side effects, such as affecting the heart rate. Explain the rationale for pressing on the nasolacrimal duct.

Correct AnswerverifiedThe nasolacrimal duct connects the eye t...View AnswerShow Answer

What region of the retina contains a high density of photoreceptor cells and allows for extremely detailed vision?

Correct AnswerverifiedShow Answer

Special senses, such as sight and sound, are detected by:

Correct AnswerverifiedShow Answer

The vibrations received by the tympanic membrane are transferred to the oval window by the:

Correct AnswerverifiedShow Answer

The receptor cells for static equilibrium are located in the:

Correct AnswerverifiedShow Answer

What part of the inner ear is involved in hearing?

Correct AnswerverifiedShow Answer

The most taste buds are present in:

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Explain how rubbing your eyes with dirty hands can lead to an infection in the nasal cavity.

Correct AnswerverifiedThe eye and the nasal cavity are connect...View AnswerShow Answer

The receptor cells of the semicircular canals are located in the:

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Match the following with the parts of the eye. -Area of retina specialized for detailed vision

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The five major taste sensations are sweet, salty, bitter, sour, and umami.

Correct AnswerverifiedShow Answer

When you bend your head, gravity pulls on the otolithic membrane, bending the stereocilia either toward or away from the kinocilium.

Correct AnswerverifiedShow Answer

In the dark (absence of a stimulus) , the photoreceptors are:

Correct AnswerverifiedShow Answer

What taste sensation results when sodium ions enter gustatory cells through sodium ion channel receptors, and the cell depolarizes?

Correct AnswerverifiedShow Answer

Match the following with the parts of the eye. -Iris

Correct AnswerverifiedShow Answer

The sclera is continuous with a transparent layer over the anterior eye known as the:

Correct AnswerverifiedShow Answer

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Ginger is affected by myopia (nearsighte...
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The iris contains two muscles that impro...
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The nasolacrimal duct connects the eye t...
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Correct Answer
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The eye and the nasal cavity are connect...
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