Question 1

An anticholinergic drug such as atropine

Accepted Answer

A)  causes miosis. 
B)  causes the circular muscles to contract. 
C)  causes ptosis of the eyelid. 
D)  dilates the pupil. 
A)  causes miosis. 
B)  causes the circular muscles to contract. 
C)  causes ptosis of the eyelid. 
D)  dilates the pupil.

Question 2

Which of the following is true regarding the corneal reflex?

Accepted Answer

A)  The trigeminal nerve is its motor arm, carrying pain information. 
B)  CN VII is the motor arm of the reflex causing tearing and blinking. 
C)  The facial nerve is the sensory arm of the reflex. 
D)  CN VII carries pain signals from the cornea to the brain. 
A)  The trigeminal nerve is its motor arm, carrying pain information. 
B)  CN VII is the motor arm of the reflex causing tearing and blinking. 
C)  The facial nerve is the sensory arm of the reflex. 
D)  CN VII carries pain signals from the cornea to the brain.

Question 3

Rhodopsin

Accepted Answer

A)  requires vitamin A. 
B)  is a requirement for color vision only. 
C)  is synthesized within the occipital lobe. 
D)  is necessary for the refraction of light by the lens. 
A)  requires vitamin A. 
B)  is a requirement for color vision only. 
C)  is synthesized within the occipital lobe. 
D)  is necessary for the refraction of light by the lens.

Question 4

Which of the following equipment is used to elicit the photopupillary reflex?

Accepted Answer

A)  Hammer 
B)  Penlight 
C)  Bell 
D)  Snellen chart 
A)  Hammer 
B)  Penlight 
C)  Bell 
D)  Snellen chart

Question 5

An increase of intraocular pressure is most likely to cause

Accepted Answer

A)  cataracts. 
B)  damage to the retina, leading to blindness. 
C)  macular degeneration. 
D)  night blindness. 
A)  cataracts. 
B)  damage to the retina, leading to blindness. 
C)  macular degeneration. 
D)  night blindness.

Question 6

The sclera

Accepted Answer

A)  is the outer layer of the eyeball. 
B)  contains the rods and cones. 
C)  secretes aqueous humor. 
D)  is the attachment site for the suspensory ligaments. 
A)  is the outer layer of the eyeball. 
B)  contains the rods and cones. 
C)  secretes aqueous humor. 
D)  is the attachment site for the suspensory ligaments.

Question 7

The ciliary muscles

Accepted Answer

A)  move the eyeball. 
B)  change the shape of the lens. 
C)  regulate pupillary response to light. 
D)  cause blinking and tearing as the motor response of the corneal reflex. 
A)  move the eyeball. 
B)  change the shape of the lens. 
C)  regulate pupillary response to light. 
D)  cause blinking and tearing as the motor response of the corneal reflex.

Question 8

Which of the following is not part of the visual pathway?

Accepted Answer

A)  Optic chiasm 
B)  Optic nerve 
C)  Photoreceptors 
D)  Vitreous humor 
A)  Optic chiasm 
B)  Optic nerve 
C)  Photoreceptors 
D)  Vitreous humor

Question 9

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 10

Which of the following is not true of the lens?

Accepted Answer

A)  Changes in the shape of the lens affect the refraction of light. 
B)  Clouding of the lens is called a cataract. 
C)  Cataracts impair vision by decreasing the amount of light that reaches the retina. 
D)  Its shape is changed by contraction of the muscles of the iris. 
A)  Changes in the shape of the lens affect the refraction of light. 
B)  Clouding of the lens is called a cataract. 
C)  Cataracts impair vision by decreasing the amount of light that reaches the retina. 
D)  Its shape is changed by contraction of the muscles of the iris.

Question 11

The macula lutea,fovea centralis,and photoreceptors are most associated with this structure.

Accepted Answer

A)  Choroid 
B)  Optic chiasm 
C)  Lens 
D)  Retina 
A)  Choroid 
B)  Optic chiasm 
C)  Lens 
D)  Retina

Question 12

The malleus,incus,and stapes are called (the)

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 13

What is the name of the specialized area of a sensory neuron that detects a specific stimulus?

Accepted Answer

A)  Tract 
B)  Receptor 
C)  Dorsal root 
D)  Node of Ranvier 
A)  Tract 
B)  Receptor 
C)  Dorsal root 
D)  Node of Ranvier

Question 14

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.

Exam 13: Sensory System

An anticholinergic drug such as atropine

Which of the following is true regarding the corneal reflex?

Rhodopsin

Which of the following equipment is used to elicit the photopupillary reflex?

An increase of intraocular pressure is most likely to cause

The sclera

The ciliary muscles

Which of the following is not part of the visual pathway?

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

Which of the following is not true of the lens?

The macula lutea,fovea centralis,and photoreceptors are most associated with this structure.

The malleus,incus,and stapes are called (the)

What is the name of the specialized area of a sensory neuron that detects a specific stimulus?

A cataract is a

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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