Question 1

Which of the following components prevents the aqueous humor from infiltrating the cornea?

Accepted Answer

A)   Bowman's layer
B)   Corneal endothelium
C)   Corneal epithelium
D)   Descemet's membrane
E)   StromaF) None of the above
G) A) and B)

Question 2

In the dark, Na+ channels are ____ and neurotransmitter release is ____. In bright light, on the other hand, the Na+ channels are ____ and neurotransmitter release ____

Accepted Answer

A)   Closed, continuous, open, ceases
B)   Closed, continuous, open, increases
C)   Open, absent, closed, increases
D)   Open, continuous, closed, ceases
E)   Open, continuous, closed, increasesF) A) and B)
G) C) and E)

Question 3

The membrane that separates the fluid-filled cochlear chamber from the air-filled middle ear, helping to regulate pressure in the inner ear, is called the _____

Accepted Answer

A)   Cochlear duct
B)   Cochlear membrane
C)   Oval window
D)   Round window
E)   Tympanic membraneF) A) and D)
G) B) and C)

Question 4

The muscle responsible for accommodation is found in the

Accepted Answer

A)   Cornea
B)   Inner tunica
C)   Retina
D)   Sclera
E)   UveaF) All of the above
G) A) and D)

Question 5

During rotational movement, the _____ is moved by endolymph, causing hair cell displacement and resulting in either the propagation or inhibition of an action potential, depending upon the direction of the movement

Accepted Answer

A)   Cupula
B)   Kinocilium
C)   Saccule
D)   Stereocilia
E)   UtricleF) A) and E)
G) B) and E)

Question 6

The basal laminae of the retinal epithelium and underlying choriocapillaris endothelium as well as layers of collagen and elastic fibers make up the _____ of the choroid

Accepted Answer

A)   Bruch's membrane
B)   Choroidal stroma
C)   Descemet's membrane
D)   Drusen
E)   ScleraF) C) and E)
G) C) and D) A

Question 7

As the distance between the eye and the object on which it is focusing decreases to less than approximately 20 feet, the _____ contracts, resulting in a more rounded and convex lens

Accepted Answer

A)   Ciliary muscle
B)   Iris
C)   Optic disc
D)   Suspensory ligament
E)   Zonula fibersF) D) and E)
G) B) and C) A

Question 8

When auditory vibrations enter the cochlear duct, the _____ membrane remains stationary, resulting in a shearing action of the vibrating hair cells, leading to the stimulation of the cochlear nerve

Accepted Answer

A)   Basilar
B)   Reissner's
C)   Sacular
D)   Tectorial
E)   TympanicF) A) and B)
G) A) and C) D

Question 9

Most of the aqueous humor produced by the ciliary body drains into the

Accepted Answer

A)   Aqueous veins
B)   Canal of Schlemm
C)   External collecting channel
D)   Scleral plexus
E)   Trabecular meshworkF) None of the above
G) A) and E)

Question 10

The photoreceptor neurons of the retina synapse on ____

Accepted Answer

A)   Amacrine cells
B)   Bipolar cells
C)   Ganglion cells
D)   Horizontal cells
E)   Müller cellsF) C) and D)
G) A) and B)

Exam 9: Sensory Organs: Vision and Hearing

Which of the following components prevents the aqueous humor from infiltrating the cornea?

Correct Answer
verified

In the dark, Na+ channels are and neurotransmitter release is . In bright light, on the other hand, the Na+ channels are and neurotransmitter release

Correct Answer
verified

The membrane that separates the fluid-filled cochlear chamber from the air-filled middle ear, helping to regulate pressure in the inner ear, is called the _____

Correct Answer
verified

The muscle responsible for accommodation is found in the

Correct Answer
verified

During rotational movement, the _____ is moved by endolymph, causing hair cell displacement and resulting in either the propagation or inhibition of an action potential, depending upon the direction of the movement

Correct Answer
verified

The basal laminae of the retinal epithelium and underlying choriocapillaris endothelium as well as layers of collagen and elastic fibers make up the _____ of the choroid

Correct Answer
verified
A

As the distance between the eye and the object on which it is focusing decreases to less than approximately 20 feet, the _____ contracts, resulting in a more rounded and convex lens

Correct Answer
verified
A

When auditory vibrations enter the cochlear duct, the _____ membrane remains stationary, resulting in a shearing action of the vibrating hair cells, leading to the stimulation of the cochlear nerve

Correct Answer
verified
D

Most of the aqueous humor produced by the ciliary body drains into the

Correct Answer
verified

The photoreceptor neurons of the retina synapse on ____

Correct Answer
verified

Exam 9: Sensory Organs: Vision and Hearing

Which of the following components prevents the aqueous humor from infiltrating the cornea?

Correct AnswerverifiedShow Answer

In the dark, Na+ channels are ____ and neurotransmitter release is ____. In bright light, on the other hand, the Na+ channels are ____ and neurotransmitter release ____

Correct AnswerverifiedShow Answer

The membrane that separates the fluid-filled cochlear chamber from the air-filled middle ear, helping to regulate pressure in the inner ear, is called the _____

Correct AnswerverifiedShow Answer

The muscle responsible for accommodation is found in the

Correct AnswerverifiedShow Answer

During rotational movement, the _____ is moved by endolymph, causing hair cell displacement and resulting in either the propagation or inhibition of an action potential, depending upon the direction of the movement

Correct AnswerverifiedShow Answer

The basal laminae of the retinal epithelium and underlying choriocapillaris endothelium as well as layers of collagen and elastic fibers make up the _____ of the choroid

Correct AnswerverifiedA

As the distance between the eye and the object on which it is focusing decreases to less than approximately 20 feet, the _____ contracts, resulting in a more rounded and convex lens

Correct AnswerverifiedA

When auditory vibrations enter the cochlear duct, the _____ membrane remains stationary, resulting in a shearing action of the vibrating hair cells, leading to the stimulation of the cochlear nerve

Correct AnswerverifiedD

Most of the aqueous humor produced by the ciliary body drains into the

Correct AnswerverifiedShow Answer

The photoreceptor neurons of the retina synapse on ____

Correct AnswerverifiedShow Answer

Correct Answer
verified

In the dark, Na+ channels are and neurotransmitter release is . In bright light, on the other hand, the Na+ channels are and neurotransmitter release

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A

Correct Answer
verified
A

Correct Answer
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D

Correct Answer
verified

Correct Answer
verified