Deck 20: Sensory System

Question 1

Retinal detachment may be corrected by which of the following procedures?

A) Laser surgery
B) Photorefractive keratotomy
C) Cryopexy
D) a and c
E) b and c

Answer 1

a and c

Question 2

Ménière's disease, a disorder of the sensory system, is:

A) A nosebleed that results from disease, trauma, or other conditions, such as hypertension, leukemia, or rheumatic fever
B) A clouding of the lens that causes blurred or partial vision
C) Poor vision in one eye, often resulting from better vision in the other eye during infancy or childhood
D) A slow or sudden painless loss of central vision
E) A collection of fluid in the labyrinth of the ear, leading to dizziness, ringing in the ear, or tinnitus pressure and eventual deafness

Answer 2

A collection of fluid in the labyrinth of the ear, leading to dizziness, ringing in the ear, or tinnitus pressure and eventual deafness

Question 3

Macular degeneration, a disorder of the sensory system, is:

A) A nosebleed that results from disease, trauma, or other conditions, such as hypertension, leukemia, or rheumatic fever
B) A clouding of the lens that causes blurred or partial vision
C) Poor vision in one eye, often resulting from better vision in the other eye during infancy or childhood
D) A slow or sudden painless loss of central vision
E) A collection of fluid in the labyrinth of the ear, leading to dizziness, ringing in the ear, or tinnitus pressure and eventual deafness

Answer 3

A slow or sudden painless loss of central vision

Question 4

The anterior cavity of the eyeball is filled with a clear, watery fluid called ____________________ humor.

Question 5

Tympanitis, with regard to the sensory system, is:

A) Taste
B) The sense of smell
C) Inflammation of the eardrum
D) Disease of the retina
E) The sense of movement

Question 6

The term gustatory, with regard to the sensory system, pertains to:

A) Taste
B) The sense of smell
C) Inflammation of the eardrum
D) Disease of the retina
E) The sense of movement

Question 7

The middle ear is an air-filled chamber that begins with the ____________________ membrane, which changes sound waves into mechanical movements.

Question 8

Intacs are intracorneal rings that can be implanted in the cornea to reshape it so as to repair which of the following sight disorders?

A) Cataracts
B) Hyperopia
C) Myopia
D) Presbyopia

Question 9

The posterior cavity is filled with a semisoft, gelatin-like substance called ____________________ humor.

Question 10

The term olfactory, with regard to the sensory system, pertains to:

A) Taste
B) The sense of smell
C) Inflammation of the eardrum
D) Disease of the retina
E) The sense of movement

Question 11

Amblyopia, a disorder of the sensory system, is:

A) A nosebleed that results from disease, trauma, or other conditions, such as hypertension, leukemia, or rheumatic fever
B) A clouding of the lens that causes blurred or partial vision
C) Poor vision in one eye, often resulting from better vision in the other eye during infancy or childhood
D) A slow or sudden painless loss of central vision
E) A collection of fluid in the labyrinth of the ear, leading to dizziness, ringing in the ear, or tinnitus pressure and eventual deafness

Question 12

The term kinesthetic, with regard to the sensory system, pertains to:

A) Taste
B) The sense of smell
C) Inflammation of the eardrum
D) Disease of the retina
E) The sense of movement

Question 13

The ____________________ is a tough white tissue that supports and gives structure to the eye.

Question 14

The ____________________ is a mucous membrane that protects and lubricates the eyelids and part of the eye.

Question 15

Each side of the nose is further divided into three passageways by bony projections called ____________________.

Question 16

The sense of smell is:

A) 5,000 times more sensitive than taste
B) 10,000 times more sensitive than taste
C) 12,000 times more sensitive than taste
D) 15,000 times more sensitive than taste
E) 20,000 times more sensitive than taste

Question 17

The ____________________ senses of the skin perceive touch, pressure, temperature, and pain through five specialized cells located in the skin.

Question 18

The _________________________ forms tears that keep the eye moist and lubricated.

Question 19

The inner ear contains a series of canals, called the bony labyrinth, that includes the:

A) Cochlea
B) Semicircular canals
C) Vestibule
D) Tympanic membrane
E) a, b, and c

Question 20

Epistaxis, a disorder of the sensory system, is:

A) A nosebleed that results from disease, trauma, or other conditions, such as hypertension, leukemia, or rheumatic fever
B) A clouding of the lens that causes blurred or partial vision
C) Poor vision in one eye, often resulting from better vision in the other eye during infancy or childhood
D) A slow or sudden painless loss of central vision
E) A collection of fluid in the labyrinth of the ear, leading to dizziness, ringing in the ear, or tinnitus pressure and eventual deafness

Question 21

Using two or three sentences, answer the following questions as concisely as possible.
Describe the action involved in vision.

Question 22

Using two or three sentences, answer the following questions as concisely as possible.
Explain the five tastes perceived by the tongue.

Question 23

Using two or three sentences, answer the following questions as concisely as possible.
Describe the procedure for radial keratotomy.

Question 24

Match the numbered word below with the best definition.
a.The deviation of light as it passes through a medium to a medium of a different density
b.Pertaining to the skin
c.Within the eye
d.Any agent that produces a reaction in a receptor
e.Pertaining to the sense of hearing
f.Pertaining to the sense of taste
g.A state of balance
h.The system of communicating canals in the inner ear
i.A specific type of cell that responds to a specific stimulus
j.Pertaining to the sense of smell
1.Auditory
2.Cutaneous
3.Equilibrium
4.Gustatory
5.Intraocular
6.Labyrinth
7.Olfactory
8.Receptor
9.Refraction
10.Stimulus

Question 25

Research the various causes of hearing loss.

Question 26

Using two or three sentences, answer the following questions as concisely as possible.
Describe the assessment techniques used to test hearing.

Question 27

Light touch and motion near the skin are perceived by ____________________ corpuscles.

Question 28

Using two or three sentences, answer the following questions as concisely as possible.
Describe the effects of noise pollution.

Question 29

Using two or three sentences, answer the following questions as concisely as possible.
Where are pain receptors found? What is one area of the body that contains no pain receptors?

Question 30

Using two or three sentences, answer the following questions as concisely as possible.
Describe the procedure for photorefractive keratotomy.

Question 31

Investigate the function and cost of three common medications used in the treatment of sensory system disorders.

Question 32

What are the effects on the body from even casual use of cellular phones?

Question 33

Write an expository on the specialized organs of the senses, which include the eyes, ears, tongue, nose, and skin.How does each convey information to the brain?

Question 34

Investigate services available for people who are afflicted with blindness.

Question 35

Using two or three sentences, answer the following questions as concisely as possible.
What are the two functions of the ear?

Question 37

Using two or three sentences, answer the following questions as concisely as possible.
How is visual acuity assessed?

Question 38

When one sensory organ becomes dysfunctional, what is the effect on the remaining four sensory organs?

Question 39

Using two or three sentences, answer the following questions as concisely as possible.
Describe the structure and function of the sensory system.

Question 40

____________________ corpuscles, commonly found in deeper tissues of the tendons and ligaments, sense deep pressure.

Question 41

Compare and contrast the use of the surgical techniques radial keratotomy and photorefractive keratectomy for correction of eye disorders.Include the success rate for each technique.