Question 1

Light rays

Accepted Answer

A)  striking the retina cause action potentials to be relayed to the brain.
B)  are refracted by the cornea,lens,and humors.
C)  are refracted as they pass through a convex lens.
D)  that are converging,reach a crossing point called the focal point.
E)  have all of these characteristics.F) A) and C)
G) None of the above

Question 2

____________ respond to pain,temperature,and itch.

Accepted Answer

A)  Meissner's corpuscles
B)  Pacinian corpuscles
C)  Merkel's disks
D)  Ruffini corpuscles
E)  Free nerve endingsF) B) and E)
G) A) and B)

Question 3

In the cochlea,the space that extends from the oval window to the apex of the cochlear spiral is the:

Accepted Answer

A)  cochlear duct.
B)  scala vestibuli.
C)  scala tympani.
D)  spiral lamina.
E)  tectorial membrane.F) A) and E)
G) B) and C)

Question 4

To focus on objects closer than 20 feet,

Accepted Answer

A)  the lens must become flatter.
B)  the ciliary muscles must contract.
C)  the suspensory ligaments must increase tension on the lens.
D)  the cornea must move inward.
E)  All of these are correct.F) C) and E)
G) D) and E)

Question 5

The middle layer of the eye that,consists of the choroid,ciliary body,and iris is

Accepted Answer

A)  the conjunctiva.
B)  the fibrous tunic.
C)  the vascular tunic.
D)  the nervous tunic.
E)  the crystalline lens.F) C) and E)
G) A) and D)

Question 6

-The letter B represents the

Accepted Answer

A)  external auditory meatus.
B)  tympanic membrane.
C)  semicircular canals.
D)  cochlea.
E)  auditory ossicles.F) None of the above
G) All of the above

Question 7

In the cochlea,the space between the vestibular membrane and the basilar membrane is called the

Accepted Answer

A)  tectorial membrane.
B)  cochlear duct.
C)  scala vestibuli.
D)  scala tympani.
E)  spiral lamina.F) A) and D)
G) A) and B)

Question 8

Which of the following statements about taste is FALSE?

Accepted Answer

A)  Our ability to perceive many different tastes is achieved through various combinations of the five basic taste sensations.
B)  Taste sensations are carried by three spinal nerves that synapse in the olfactory bulb.
C)  The facial nerve (VII) transmits taste sensations from the anterior 2/3rd of the tongue.
D)  The glossopharyngeal nerve (IX) carries taste sensations from the posterior 1/3rd of the tongue.
E)  The vagus nerve (X) carries some taste sensations from the root of the tongue.F) A) and E)
G) A) and D)

Question 9

The spiral organ

Accepted Answer

A)  is located in the scala tympani.
B)  contains specialized sensory cells with hairlike projections.
C)  has sensory neurons with their cell bodies in the spiral lamina.
D)  has hair cells with their tips embedded in the basilar membrane.
E)  has afferent nerve fibers that form the tectorial nerve.F) B) and E)
G) A) and E)

Question 10

Nystagmus

Accepted Answer

A)  is an involuntary rhythmic,repeated,oscillation of one or both eyes.
B)  is a condition characterized by clouding of the lens as a result of advanced age.
C)  is a condition in which one or both eyes are directed medially or laterally.
D)  is an inflammation of the conjunctiva.
E)  is a cyst caused by an infection of the sebaceous glands along the edge of the eyelid.F) C) and E)
G) A) and B)

Question 11

Which of these statements about taste is NOT true?

Accepted Answer

A)  Taste buds are oval structures located on the surface of certain papillae on the tongue.
B)  Each taste bud has about 40 taste cells
C)  Taste cells contain hair-like processes called taste hairs.
D)  Many taste sensations are strongly influenced by olfactory sensations.
E)  Taste buds are only able to detect one taste sensation.F) None of the above
G) All of the above

Question 12

____________ respond to fine,discriminative touch and are found just deep to the epidermis.

Accepted Answer

A)  Meissner's corpuscles
B)  Pacinian corpuscles
C)  Merkel's disks
D)  Ruffini corpuscles
E)  Free nerve endingsF) All of the above
G) A) and B)

Question 13

-The letter A represents the

Accepted Answer

A)  external auditory meatus.
B)  tympanic membrane.
C)  semicircular canals.
D)  cochlea.
E)  auditory ossicles.F) A) and C)
G) A) and B)

Question 14

The structure that opens into the pharynx and enables air pressure to be equalized between the middle ear and the outside is

Accepted Answer

A)  the oval window.
B)  the round window.
C)  the mastoid air cells.
D)  the auditory tube.
E)  the auditory ossicles.F) A) and B)
G) None of the above

Question 15

The iris

Accepted Answer

A)  surrounds an opening called the pupil.
B)  is the colored portion of the eye.
C)  controls the diameter of the pupil.
D)  is stimulated to contract by parasympathetic stimulation.
E)  has all of these properties.F) A) and C)
G) A) and D)

Exam 9: Senses

The middle layer of the eye that,consists of the choroid,ciliary body,and iris is

Correct Answer
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-The letter A represents the

Correct Answer
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The iris

Correct Answer
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To focus on objects closer than 20 feet,

Correct Answer
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Light rays

Correct Answer
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____________ respond to pain,temperature,and itch.

Correct Answer
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The structure that opens into the pharynx and enables air pressure to be equalized between the middle ear and the outside is

Correct Answer
verified

Which of the following statements about taste is FALSE?

Correct Answer
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Which of these statements about taste is NOT true?

Correct Answer
verified

The spiral organ

Correct Answer
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In the cochlea,the space between the vestibular membrane and the basilar membrane is called the

Correct Answer
verified

In the cochlea,the space that extends from the oval window to the apex of the cochlear spiral is the:

Correct Answer
verified

____________ respond to fine,discriminative touch and are found just deep to the epidermis.

Correct Answer
verified

Nystagmus

Correct Answer
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-The letter B represents the

Correct Answer
verified

Exam 9: Senses

The middle layer of the eye that,consists of the choroid,ciliary body,and iris is

Correct AnswerverifiedShow Answer

-The letter A represents the

Correct AnswerverifiedShow Answer

The iris

Correct AnswerverifiedShow Answer

To focus on objects closer than 20 feet,

Correct AnswerverifiedShow Answer

Light rays

Correct AnswerverifiedShow Answer

____________ respond to pain,temperature,and itch.

Correct AnswerverifiedShow Answer

The structure that opens into the pharynx and enables air pressure to be equalized between the middle ear and the outside is

Correct AnswerverifiedShow Answer

Which of the following statements about taste is FALSE?

Correct AnswerverifiedShow Answer

Which of these statements about taste is NOT true?

Correct AnswerverifiedShow Answer

The spiral organ

Correct AnswerverifiedShow Answer

In the cochlea,the space between the vestibular membrane and the basilar membrane is called the

Correct AnswerverifiedShow Answer

In the cochlea,the space that extends from the oval window to the apex of the cochlear spiral is the:

Correct AnswerverifiedShow Answer

____________ respond to fine,discriminative touch and are found just deep to the epidermis.

Correct AnswerverifiedShow Answer

Nystagmus

Correct AnswerverifiedShow Answer

-The letter B represents the

Correct AnswerverifiedShow Answer

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