The Respiratory System

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Question 1
Free
Multiple Choice

The nasal cavity, pharynx, and larynx constitute the ________ portion of the airway.

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A

conducting

B

exchange

C

respiratory

D

sinus

E

primary

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Question 2
Free
Multiple Choice

The respiratory epithelium of the conducting airways consists of

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A

pseudostratified ciliated columnar epithelium.

B

moist cuboidal epithelium.

C

simple squamous epithelium.

D

ciliated squamous epithelium.

E

stratified squamous epithelium.

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Question 3
Free
Multiple Choice

The larynx, trachea, bronchi, and bronchioles all make up the

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A

upper respiratory tract.

B

lower respiratory tract.

C

internal respiratory tract.

D

alveoli of the respiratory tract.

E

respiratory mucosa.

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Question 4
Free
Multiple Choice

The respiratory mucosa consists of

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A

epithelium and underlying layer of areolar tissue.

B

dense irregular connective and adipose tissue.

C

ciliated stratified squamous and columnar cells.

D

fibrocartilage and mucous cells.

E

dense regular connective and areolar tissue.

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Question 5
Free
Multiple Choice

Tuberculosis results from an infection by the bacterium

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A

Clostridium difficile.

B

Staphylococcus aureus.

C

Mycobacterium tuberculosis.

D

Vancomycin-resistant streptococcus.

E

Tuberculin plumonae.

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Question 6
Multiple Choice

________ is the most common lethal inherited disease affecting individuals of Northern European descent.

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A
MRSA
B
Congestive heart failure
C
Cystic fibrosis
D
Myasthenia gravis
E
Parkinson's disease
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Question 7
Multiple Choice

Air entering the body is filtered, warmed, and humidified by the

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A
upper respiratory tract.
B
lower respiratory tract.
C
lungs.
D
alveoli.
E
bronchioles.
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Question 8
Multiple Choice

Inhaling through the nostrils is preferred over the mouth because

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A
there is less resistance to air flow.
B
it combines olfaction with respiration.
C
it allows better conditioning of the inhaled air.
D
bacteria won't be inhaled from the oral cavity.
E
it dries out the mouth.
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Question 9
Multiple Choice

Harry suffers from cystic fibrosis and has severe breathing difficulties. His problems result from

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A
genetic mutation in cilia production.
B
laryngospasms.
C
thick secretions that are difficult to transport.
D
lack of neural control of respiration.
E
reduced mucus secretions in the trachea.
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Question 10
Multiple Choice

The entire array of protective mechanisms in the respiratory system is called the

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A
respiratory immunity.
B
macrophage complex.
C
respiratory defense system.
D
acquired respiratory defense.
E
mucus escalator.
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Question 11
Multiple Choice

The beating of the cilia of the respiratory passages in the direction of the pharynx forms a(n)

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A
debris filter.
B
mucus escalator.
C
respiratory rhythmicity center.
D
smooth slick surface allowing particles to slide.
E
increased surface area for gas exchange.
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Question 12
Multiple Choice

Which of these is not part of the upper respiratory system?

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A
larynx
B
pharynx
C
nasal cavity
D
nose
E
sinuses
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Question 13
Multiple Choice

The respiratory portion of the respiratory tract includes the

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A
bronchi.
B
trachea.
C
larynx.
D
alveoli.
E
nose.
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Question 14
Multiple Choice

An important component of the lamina propria in the upper respiratory system is

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A
sweat glands.
B
ceruminous glands.
C
mucus glands.
D
serous glands.
E
smooth muscle cells.
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Question 15
Multiple Choice

The nasopharynx transitions into the oropharynx at the level of the

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A
hard palate.
B
soft palate.
C
cribriform plate.
D
internal nares.
E
pharyngeal septum.
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Question 16
Multiple Choice

The ________ is shared by the respiratory and digestive systems.

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A
pharynx
B
esophagus
C
trachea
D
windpipe
E
right mainstem bronchus
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Question 17
Multiple Choice

Which of the following organs is not part of the lower respiratory system?

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A
pharynx
B
trachea
C
larynx
D
bronchi
E
alveoli
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Question 18
Multiple Choice

The conchae

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A
divide the nasal cavity into a right and a left side.
B
provide an opening into the pharynx.
C
provide a increase in surface area for the sense of smell.
D
create turbulence in the air to trap particulate matter in mucus.
E
provide an opening to paranasal sinuses.
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Question 19
Multiple Choice

Functions of the nasal cavity include all of the following except

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A
filtering the air.
B
warming the air.
C
humidifying the air.
D
housing tonsils.
E
housing olfactory receptors.
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Question 20
Multiple Choice

The openings to the nasal cavity are the

Choose correct answer/s
A
external nares.
B
internal nares.
C
nasal meatuses.
D
nasal conchae.
E
nasal sinuses.
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