Question 1

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 2

Which 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

Question 3

Which of the following moves in response to the vibration of the stapes?

Accepted Answer

A)  Tympanic membrane 
B)  Oval window 
C)  Malleus 
D)  Hammer 
A)  Tympanic membrane 
B)  Oval window 
C)  Malleus 
D)  Hammer

Question 4

Which of the following groups is incorrect?

Accepted Answer

A)  Photoreceptors: rods, cones 
B)  Mechanoreceptors: blood concentrations of glucose and H+ 
C)  Light: photoreceptors 
D)  Mechanoreceptors: bending, distortion 
A)  Photoreceptors: rods, cones 
B)  Mechanoreceptors: blood concentrations of glucose and H+ 
C)  Light: photoreceptors 
D)  Mechanoreceptors: bending, distortion

Question 5

Which of the following is the best example of referred pain?

Accepted Answer

A)  A person has an abscessed tooth and is complaining of severe pain in the same jaw. 
B)  A person with a history of gallbladder disease eats a high-fat meal. She complains of midepigastric pain and pain beneath her right scapula. 
C)  A person stubs his right great toe and is observed hopping along on his left leg. 
D)  A football wide receiver pulls a hamstring and must be supported while walking off the field obviously favoring the affected leg. 
A)  A person has an abscessed tooth and is complaining of severe pain in the same jaw. 
B)  A person with a history of gallbladder disease eats a high-fat meal. She complains of midepigastric pain and pain beneath her right scapula. 
C)  A person stubs his right great toe and is observed hopping along on his left leg. 
D)  A football wide receiver pulls a hamstring and must be supported while walking off the field obviously favoring the affected leg.

Question 6

Which of the following is most related to the sense of hearing?

Accepted Answer

A)  Semicircular canals 
B)  First cranial nerve 
C)  Organ of Corti 
D)  Vestibular nerve 
A)  Semicircular canals 
B)  First cranial nerve 
C)  Organ of Corti 
D)  Vestibular nerve

Question 7

What happens at the optic chiasm?

Accepted Answer

A)  Fibers from CN III and the optic nerve join together and travel to the primary visual cortex. 
B)  Fibers of the optic nerve cross to the opposite side of the brain. 
C)  Light is refracted. 
D)  Muscle contraction moves the eyeball in its socket. 
A)  Fibers from CN III and the optic nerve join together and travel to the primary visual cortex. 
B)  Fibers of the optic nerve cross to the opposite side of the brain. 
C)  Light is refracted. 
D)  Muscle contraction moves the eyeball in its socket.

Question 8

In which condition is the eyelid not completely raised,thereby making the person appear sleepy?

Accepted Answer

A)  Glaucoma 
B)  Cataracts 
C)  Ptosis of the lid 
D)  Lid lag 
A)  Glaucoma 
B)  Cataracts 
C)  Ptosis of the lid 
D)  Lid lag

Question 9

The optic disc

Accepted Answer

A)  is densely populated with cones. 
B)  is densely populated with rods. 
C)  refracts light. 
D)  contains no photoreceptors; it is the blind spot. 
A)  is densely populated with cones. 
B)  is densely populated with rods. 
C)  refracts light. 
D)  contains no photoreceptors; it is the blind spot.

Question 10

Cerumen is

Accepted Answer

A)  earwax. 
B)  inner ear fluid. 
C)  fluid that bends the organ of Corti. 
D)  inner ear fluid that stimulates the balance receptors in the semicircular canals. 
A)  earwax. 
B)  inner ear fluid. 
C)  fluid that bends the organ of Corti. 
D)  inner ear fluid that stimulates the balance receptors in the semicircular canals.

Question 11

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

Accepted Answer

A)  Cranial nerve II 
B)  Sensory nerve 
C)  Conveys information from the retina to the occipital lobe 
D)  Innervates the extrinsic eye muscles 
A)  Cranial nerve II 
B)  Sensory nerve 
C)  Conveys information from the retina to the occipital lobe 
D)  Innervates the extrinsic eye muscles

Question 12

Which of the following occur as an object is moved closer to the eyes?

Accepted Answer

A)  Mydriasis and miosis 
B)  Accommodation and convergence 
C)  Muscarinic and alpha1 activation 
D)  Contraction of the levator palpebrae superioris and relaxation of the orbicularis oculi 
A)  Mydriasis and miosis 
B)  Accommodation and convergence 
C)  Muscarinic and alpha1 activation 
D)  Contraction of the levator palpebrae superioris and relaxation of the orbicularis oculi

Question 13

With which of the following is the spinothalamic tract associated?

Accepted Answer

A)  Sensation of touch, pressure, temperature, and pain 
B)  Photopupillary reflex 
C)  Movement of the eyeballs 
D)  Primary motor cortex 
A)  Sensation of touch, pressure, temperature, and pain 
B)  Photopupillary reflex 
C)  Movement of the eyeballs 
D)  Primary motor cortex

Question 14

Movement of the oval window

Accepted Answer

A)  moves the endolymph in the inner ear, thereby bending the mechanoreceptors of the organ of Corti. 
B)  vibrates the middle ear ossicles and eardrum. 
C)  pushes endolymph from the cochlea into the semicircular canals. 
D)  pushes perilymph from the semicircular canals into the cochlea. 
A)  moves the endolymph in the inner ear, thereby bending the mechanoreceptors of the organ of Corti. 
B)  vibrates the middle ear ossicles and eardrum. 
C)  pushes endolymph from the cochlea into the semicircular canals. 
D)  pushes perilymph from the semicircular canals into the cochlea.

Question 15

What does a "choked disc," or papilledema,indicate?

Accepted Answer

A)  Increased intraocular pressure 
B)  Glaucoma 
C)  Increased intracranial pressure 
D)  Strabismus 
A)  Increased intraocular pressure 
B)  Glaucoma 
C)  Increased intracranial pressure 
D)  Strabismus

Question 16

Bone conduction occurs in the

Accepted Answer

A)  outer ear. 
B)  middle ear. 
C)  inner ear. 
D)  semicircular canals. 
A)  outer ear. 
B)  middle ear. 
C)  inner ear. 
D)  semicircular canals.

Question 17

Contraction of the orbicularis oculi

Accepted Answer

A)  raises the eyelid. 
B)  is innervated by the optic nerve. 
C)  closes the eye. 
D)  flattens the lens during refraction. 
A)  raises the eyelid. 
B)  is innervated by the optic nerve. 
C)  closes the eye. 
D)  flattens the lens during refraction.

Question 18

Which of the following words best explains phantom limb pain?

Accepted Answer

A)  Adaptation 
B)  Cerebral lateralization 
C)  Projection 
D)  Convergence 
A)  Adaptation 
B)  Cerebral lateralization 
C)  Projection 
D)  Convergence

Question 19

Refracted light should focus on the

Accepted Answer

A)  lens. 
B)  optic chiasm. 
C)  optic disc. 
D)  retina. 
A)  lens. 
B)  optic chiasm. 
C)  optic disc. 
D)  retina.

Question 20

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.

Exam 13: Sensory System

The superior rectus muscle

Which cerebral lobe is concerned primarily with vision?

Which of the following moves in response to the vibration of the stapes?

Which of the following groups is incorrect?

Which of the following is the best example of referred pain?

Which of the following is most related to the sense of hearing?

What happens at the optic chiasm?

In which condition is the eyelid not completely raised,thereby making the person appear sleepy?

The optic disc

Cerumen is

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

Which of the following occur as an object is moved closer to the eyes?

With which of the following is the spinothalamic tract associated?

Movement of the oval window

What does a "choked disc," or papilledema,indicate?

Bone conduction occurs in the

Contraction of the orbicularis oculi

Which of the following words best explains phantom limb pain?

Refracted light should focus on the

The medial canthus and lateral canthus are

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

Anatomy of the 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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