Question 1

Which 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 2

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

Question 3

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 4

Which of the following is located in the posterior cavity of the eyeball?

Accepted Answer

A) Vitreous humor 
B) Cornea 
C) Lens 
D) Ciliary muscle 
A) Vitreous humor 
B) Cornea 
C) Lens 
D) Ciliary muscle

Question 5

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 6

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 7

There is a heavy concentration of cones in this area of the retina.

Accepted Answer

A) Fovea centralis 
B) Iris 
C) Optic disc 
D) Cornea 
A) Fovea centralis 
B) Iris 
C) Optic disc 
D) Cornea

Question 8

Pain,proprioception,touch,and pressure are

Accepted Answer

A) general senses. 
B) experienced only in the frontal lobe. 
C) experienced largely in the brain stem. 
D) dependent on intact pyramidal and extrapyramidal tracts. 
A) general senses. 
B) experienced only in the frontal lobe. 
C) experienced largely in the brain stem. 
D) dependent on intact pyramidal and extrapyramidal tracts.

Question 9

A cataract is a

Accepted Answer

A) retinal detachment. 
B) bulging optic disc. 
C) cloudy lens. 
D) scarred cornea. 
A) retinal detachment. 
B) bulging optic disc. 
C) cloudy lens. 
D) scarred cornea.

Question 10

With which word is a drug-induced metallic taste and umami most associated?

Accepted Answer

A) Proprioception 
B) Ataxia 
C) Adaptation 
D) Gustatory sensation 
A) Proprioception 
B) Ataxia 
C) Adaptation 
D) Gustatory sensation

Question 11

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 12

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 13

The optic nerve

Accepted Answer

A) carries electrical signals from the retina to the primary visual cortex. 
B) is CN III. 
C) is the sensory arm of the corneal reflex. 
D) is mixed. 
A) carries electrical signals from the retina to the primary visual cortex. 
B) is CN III. 
C) is the sensory arm of the corneal reflex. 
D) is mixed.

Question 14

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 15

Photoreceptors detect

Accepted Answer

A) heat. 
B) acid. 
C) light. 
D) tissue distortion. 
A) heat. 
B) acid. 
C) light. 
D) tissue distortion.

Question 16

What is the name of the tube that connects the pharynx and middle ear?

Accepted Answer

A) Vestibule 
B) Oval window 
C) Eustachian 
D) Cochlea 
A) Vestibule 
B) Oval window 
C) Eustachian 
D) Cochlea

Question 17

The external auditory canal

Accepted Answer

A) connects the pharynx (throat) and the middle ear. 
B) connects the cochlea and the vestibule. 
C) connects all three semicircular canals. 
D) ends at the tympanic membrane. 
A) connects the pharynx (throat) and the middle ear. 
B) connects the cochlea and the vestibule. 
C) connects all three semicircular canals. 
D) ends at the tympanic membrane.

Question 18

Aqueous humor

Accepted Answer

A) is secreted by the macula lutea. 
B) circulates in the space between the choroid and retina. 
C) is drained through the canal of Schlemm. 
D) gently pushes the retina against the choroid. 
A) is secreted by the macula lutea. 
B) circulates in the space between the choroid and retina. 
C) is drained through the canal of Schlemm. 
D) gently pushes the retina against the choroid.

Question 19

Which of the following structures is common to both balance and hearing?

Accepted Answer

A) Tympanic membrane 
B) Organ of Corti 
C) Middle ear ossicles 
D) Mechanoreceptors 
A) Tympanic membrane 
B) Organ of Corti 
C) Middle ear ossicles 
D) Mechanoreceptors

Question 20

Astigmatism,myopia,and hyperopia are or create

Accepted Answer

A) errors of refraction. 
B) due to defects within the primary visual cortex. 
C) consequences of vitamin A deficiency. 
D) types of blindness. 
A) errors of refraction. 
B) due to defects within the primary visual cortex. 
C) consequences of vitamin A deficiency. 
D) types of blindness.

Exam 13: Sensory System

Which layer of the eyeball supplies blood to the retina?

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

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

Which of the following is located in the posterior cavity of the eyeball?

Which of the following is most related to refraction?

The choroid

There is a heavy concentration of cones in this area of the retina.

Pain,proprioception,touch,and pressure are

A cataract is a

With which word is a drug-induced metallic taste and umami most associated?

Which group is incorrect?

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

The optic nerve

The occipital lobe

Photoreceptors detect

What is the name of the tube that connects the pharynx and middle ear?

The external auditory canal

Aqueous humor

Which of the following structures is common to both balance and hearing?

Astigmatism,myopia,and hyperopia are or create

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 and Special Circulations

Functions of the Blood Vessels

Lymphatic System

Immune System

Respiratory System

Digestive System

Urinary System

Water, Electrolyte, and Acidbase Balance

Reproductive Systems

Human Development and Heredity

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