Question 1

What is the effect of contraction and relaxation of the ciliary muscle?

Accepted Answer

A)  dilated pupil 
B)  change in the shape of the lens 
C)  raised eyelid 
D)  blinking 
A)  dilated pupil 
B)  change in the shape of the lens 
C)  raised eyelid 
D)  blinking B

Question 2

This cerebral lobe is concerned primarily with vision.

Accepted Answer

A)  precentral gyrus 
B)  postcentral gyrus 
C)  occipital 
D)  corpus callosum 
A)  precentral gyrus 
B)  postcentral gyrus 
C)  occipital 
D)  corpus callosum C

Question 3

The semicircular canals are concerned with

Accepted Answer

A)  the secretion of cerumen. 
B)  equalizing pressure across the tympanic membrane. 
C)  balance. 
D)  smell. 
A)  the secretion of cerumen. 
B)  equalizing pressure across the tympanic membrane. 
C)  balance. 
D)  smell. C

Question 4

Which of the following structures secretes tears?

Accepted Answer

A)  lacrimal gland 
B)  optic disc 
C)  canal of Schlemm 
D)  ciliary body 
A)  lacrimal gland 
B)  optic disc 
C)  canal of Schlemm 
D)  ciliary body

Question 5

This ossicle picks up vibrations from the tympanic membrane.

Accepted Answer

A)  stapes 
B)  malleus 
C)  stirrup 
D)  incus 
A)  stapes 
B)  malleus 
C)  stirrup 
D)  incus

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

Pinpoint pupils

Accepted Answer

A)  describe the size of the pupils in a darkened room. 
B)  are caused by the contraction of the circular muscles of the iris. 
C)  are caused by mydriatic drugs. 
D)  are caused by the contraction of the radial muscles of the iris. 
A)  describe the size of the pupils in a darkened room. 
B)  are caused by the contraction of the circular muscles of the iris. 
C)  are caused by mydriatic drugs. 
D)  are caused by the contraction of the radial muscles of the iris.

Question 8

This layer of the eyeball supplies blood to the retina.

Accepted Answer

A)  rods and cones 
B)  sclera 
C)  choroid 
D)  iris 
A)  rods and cones 
B)  sclera 
C)  choroid 
D)  iris

Question 9

The malleus,incus,and stapes are called

Accepted Answer

A)  organ of Corti. 
B)  hearing receptors. 
C)  ossicles. 
D)  cartilage. 
A)  organ of Corti. 
B)  hearing receptors. 
C)  ossicles. 
D)  cartilage.

Question 10

The eustachian tube connects the pharynx (throat)with this 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 11

The superior rectus muscle

Accepted Answer

A)  causes miosis. 
B)  causes mydriasis. 
C)  moves the eyeball. 
D)  regulates accommodation. 
A)  causes miosis. 
B)  causes mydriasis. 
C)  moves the eyeball. 
D)  regulates accommodation.

Question 12

These hairlike receptors are located in the cochlea.

Accepted Answer

A)  ossicles 
B)  rods and cones 
C)  organ of Corti 
D)  adenoids 
A)  ossicles 
B)  rods and cones 
C)  organ of Corti 
D)  adenoids

Question 13

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

Accepted Answer

A)  cranial nerve VIII 
B)  the 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)  the cochlear branch sends information to the temporal lobe 
C)  concerned with both hearing and balance 
D)  classified as a motor nerve

Question 14

The medial canthus and lateral canthus are

Accepted Answer

A)  corners of the eye where the upper and lower eyelids meet. 
B)  lacrimal glands. 
C)  ducts through which tears drain into the nose. 
D)  sites of attachment for the medial and lateral rectus muscles. 
A)  corners of the eye where the upper and lower eyelids meet. 
B)  lacrimal glands. 
C)  ducts through which tears drain into the nose. 
D)  sites of attachment for the medial and lateral rectus muscles.

Question 15

The occipital lobe

Accepted Answer

A)  receives information from cranial nerve III. 
B)  sends motor information to the iris,thereby controlling pupillary size. 
C)  receives sensory information from cranial nerve II. 
D)  contains the primary auditory cortex. 
A)  receives information from cranial nerve III. 
B)  sends motor information to the iris,thereby controlling pupillary size. 
C)  receives sensory information from cranial nerve II. 
D)  contains the primary auditory cortex.

Question 16

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

Question 17

What is the function of the vestibule and the semicircular canals?

Accepted Answer

A)  hearing 
B)  smell 
C)  balance 
D)  touch and pressure 
A)  hearing 
B)  smell 
C)  balance 
D)  touch and pressure

Question 18

The gustatory sensation is most related to the

Accepted Answer

A)  eighth cranial nerve. 
B)  rods and cones. 
C)  organ of Corti. 
D)  taste buds. 
A)  eighth cranial nerve. 
B)  rods and cones. 
C)  organ of Corti. 
D)  taste buds.

Question 19

Which group is incorrect?

Accepted Answer

A)  special senses:hearing,sight,smell,taste,balance,pain,pressure 
B)  errors of refraction:myopia,farsightedness,astigmatism,presbyopia 
C)  structures of the inner ear:semicircular canals,vestibule,cochlea 
D)  ossicles:malleus,incus,stapes 
A)  special senses:hearing,sight,smell,taste,balance,pain,pressure 
B)  errors of refraction:myopia,farsightedness,astigmatism,presbyopia 
C)  structures of the inner ear:semicircular canals,vestibule,cochlea 
D)  ossicles:malleus,incus,stapes

Question 20

Which of the following is concerned with the sense of smell?

Accepted Answer

A)  vestibulocochlear nerve 
B)  eighth cranial nerve 
C)  organ of Corti 
D)  olfaction 
A)  vestibulocochlear nerve 
B)  eighth cranial nerve 
C)  organ of Corti 
D)  olfaction

Exam 13: Sensory System

What is the effect of contraction and relaxation of the ciliary muscle?

This cerebral lobe is concerned primarily with vision.

The semicircular canals are concerned with

Which of the following structures secretes tears?

This ossicle picks up vibrations from the tympanic membrane.

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

Pinpoint pupils

This layer of the eyeball supplies blood to the retina.

The malleus,incus,and stapes are called

The eustachian tube connects the pharynx (throat)with this structure.

The superior rectus muscle

These hairlike receptors are located in the cochlea.

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

The medial canthus and lateral canthus are

The occipital lobe

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

What is the function of the vestibule and the semicircular canals?

The gustatory sensation is most related to the

Which group is incorrect?

Which of the following is concerned with the sense of smell?

Introduction to the Human Body

Basic Chemistry

Cells

Cell Metabolism

Microbiology Basics

Tissues and Membranes

Integumentary System and Body Temperature

Skeletal System

Muscular System

Nervous System: Nervous Tissue and Brain

Nervous System: Spinal Cord and Peripheral Nerves

Autonomic Nervous System

Endocrine System

Blood

Heart

Function of the Heart

Anatomy of the Blood Vessels

Functions of the Blood Vessels

Lymphatic System

Immune System

Respiratory System

Digestive System

Urinary System

Water,Electrolyte,and Acid-Base Balance

Reproductive Systems

Human Development and Heredity

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