Question 1

The optic nerve

Accepted Answer

A)  receives sensory information from mechanoreceptors. 
B)  transmits sensory information to the temporal lobe. 
C)  is cranial nerve III. 
D)  receives sensory information from the retina. 
A)  receives sensory information from mechanoreceptors. 
B)  transmits sensory information to the temporal lobe. 
C)  is cranial nerve III. 
D)  receives sensory information from the retina.

Question 2

Which of the following is most related to refraction?

Accepted Answer

A)  Rods and cones 
B)  Retina 
C)  Lens 
D)  Light 
A)  Rods and cones 
B)  Retina 
C)  Lens 
D)  Light

Question 3

Which of the following is most related to the conjunctiva?

Accepted Answer

A)  Is the mucous membrane that forms the inner lining of the eyelids 
B)  Is the vascular layer of the eyeball; it supplies the retina with blood 
C)  Is composed of circular and radial muscles 
D)  Forms the cornea, the window of the eye 
A)  Is the mucous membrane that forms the inner lining of the eyelids 
B)  Is the vascular layer of the eyeball; it supplies the retina with blood 
C)  Is composed of circular and radial muscles 
D)  Forms the cornea, the window of the eye

Question 4

The four rectus muscles and two oblique muscles

Accepted Answer

A)  determine pupillary size. 
B)  move the eyeball. 
C)  are innervated by CNs III, IV, and VI. 
D)  More than one of the above are true. 
A)  determine pupillary size. 
B)  move the eyeball. 
C)  are innervated by CNs III, IV, and VI. 
D)  More than one of the above are true.

Question 5

Rods and cones are

Accepted Answer

A)  glial cells. 
B)  refracting structures. 
C)  visual reflexes. 
D)  visual receptors. 
A)  glial cells. 
B)  refracting structures. 
C)  visual reflexes. 
D)  visual receptors.

Question 6

What is the condition caused by unequal tension exerted by the extrinsic eye muscles?

Accepted Answer

A)  Pink eye 
B)  Strabismus 
C)  Glaucoma 
D)  Cataracts 
A)  Pink eye 
B)  Strabismus 
C)  Glaucoma 
D)  Cataracts

Question 7

Mydriasis

Accepted Answer

A)  refers to pupillary dilation. 
B)  is a response to muscarinic activation. 
C)  occurs when the circular muscle of the iris constricts. 
D)  reduces the amount of light that enters the eye. 
A)  refers to pupillary dilation. 
B)  is a response to muscarinic activation. 
C)  occurs when the circular muscle of the iris constricts. 
D)  reduces the amount of light that enters the eye.

Question 8

Which of the following is least related to the vestibulocochlear nerve?

Accepted Answer

A)  Cranial nerve VIII 
B)  Cochlear branch sends information to the temporal lobe 
C)  Concerned with both hearing and balance 
D)  Classified as a motor nerve 
A)  Cranial nerve VIII 
B)  Cochlear branch sends information to the temporal lobe 
C)  Concerned with both hearing and balance 
D)  Classified as a motor nerve

Question 9

The tympanic membrane

Accepted Answer

A)  separates the external ear from the middle ear. 
B)  separates the cochlea from the vestibule. 
C)  separates the external ear from the internal ear. 
D)  separates two compartments that contain endolymph. 
A)  separates the external ear from the middle ear. 
B)  separates the cochlea from the vestibule. 
C)  separates the external ear from the internal ear. 
D)  separates two compartments that contain endolymph.

Question 10

A nociceptor detects

Accepted Answer

A)  pain. 
B)  light. 
C)  radiation. 
D)  [H+]. 
A)  pain. 
B)  light. 
C)  radiation. 
D)  [H+].

Question 11

Which structure is attached to the lens,causing its shape to be changed?

Accepted Answer

A)  Retina 
B)  Iris 
C)  Cornea 
D)  Suspensory ligaments 
A)  Retina 
B)  Iris 
C)  Cornea 
D)  Suspensory ligaments

Question 12

The colored part of the eye that contains the intrinsic eye muscles,including the circular muscle and the radial muscles,is known as (the)

Accepted Answer

A)  suspensory ligaments. 
B)  iris. 
C)  retina. 
D)  macula lutea. 
A)  suspensory ligaments. 
B)  iris. 
C)  retina. 
D)  macula lutea.

Question 13

The eustachian tube connects the pharynx (throat)with which structure?

Accepted Answer

A)  Cochlea 
B)  Semicircular canals 
C)  Middle ear 
D)  External auditory meatus 
A)  Cochlea 
B)  Semicircular canals 
C)  Middle ear 
D)  External auditory meatus

Question 14

What is another name for the tympanic membrane?

Accepted Answer

A)  Stirrup 
B)  Oval window 
C)  Eardrum 
D)  Organ of Corti 
A)  Stirrup 
B)  Oval window 
C)  Eardrum 
D)  Organ of Corti

Question 15

The choroid

Accepted Answer

A)  contains the blood vessels that nourish the retina. 
B)  secretes aqueous humor. 
C)  is the window of the eye. 
D)  is avascular. 
A)  contains the blood vessels that nourish the retina. 
B)  secretes aqueous humor. 
C)  is the window of the eye. 
D)  is avascular.

Question 16

What is the name of the venous sinuses that drain the aqueous humor?

Accepted Answer

A)  Lateral canthus 
B)  Macula lutea 
C)  Canal of Schlemm 
D)  Pupil 
A)  Lateral canthus 
B)  Macula lutea 
C)  Canal of Schlemm 
D)  Pupil

Question 17

Which of the following vibrates in direct response to the tympanic membrane?

Accepted Answer

A)  Hammer 
B)  Endolymph 
C)  Organ of Corti 
D)  Semicircular canals 
A)  Hammer 
B)  Endolymph 
C)  Organ of Corti 
D)  Semicircular canals

Question 18

Select the word that means the ability of the eyes to refract light without the assistance of correctives lenses.

Accepted Answer

A)  Emmetropia 
B)  Presbyopia 
C)  Accommodation 
D)  Myopia 
A)  Emmetropia 
B)  Presbyopia 
C)  Accommodation 
D)  Myopia

Question 19

The conjunctiva

Accepted Answer

A)  covers the cornea. 
B)  is a mucous membrane. 
C)  contains blood vessels that nourish the retina. 
D)  secretes aqueous humor. 
A)  covers the cornea. 
B)  is a mucous membrane. 
C)  contains blood vessels that nourish the retina. 
D)  secretes aqueous humor.

Question 20

Which structure is affected by the contraction and relaxation of the ciliary muscles?

Accepted Answer

A)  Cornea 
B)  Lens 
C)  Macula lutea 
D)  Optic chiasm 
A)  Cornea 
B)  Lens 
C)  Macula lutea 
D)  Optic chiasm

Exam 13: Sensory System

The optic nerve

Which of the following is most related to refraction?

Which of the following is most related to the conjunctiva?

The four rectus muscles and two oblique muscles

Rods and cones are

What is the condition caused by unequal tension exerted by the extrinsic eye muscles?

Mydriasis

Which of the following is least related to the vestibulocochlear nerve?

The tympanic membrane

A nociceptor detects

Which structure is attached to the lens,causing its shape to be changed?

The colored part of the eye that contains the intrinsic eye muscles,including the circular muscle and the radial muscles,is known as (the)

The eustachian tube connects the pharynx (throat)with which structure?

What is another name for the tympanic membrane?

The choroid

What is the name of the venous sinuses that drain the aqueous humor?

Which of the following vibrates in direct response to the tympanic membrane?

Select the word that means the ability of the eyes to refract light without the assistance of correctives lenses.

The conjunctiva

Which structure is affected by the contraction and relaxation of the ciliary muscles?

Introduction to the Human Body

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Integumentary System and Body Temperature

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Nervous System: Nervous Tissue and Brain

Nervous System: Spinal Cord and Peripheral Nerves

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Anatomy of the Heart

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