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WorksheetsStudy Group 1
Total questions: 14
Worksheet time: 7mins
Name
Class
Date
1.
The exchange of oxygen and carbon dioxide between the alveoli and pulmonary capiillaries is called?
a)
Ventilation
b)
inspiration
c)
breathing
d)
Internal respiration
e)
External respiration
2.
Rapid exchange of respiratory gases first takes place in the
a)
trachea
b)
main-stem bronchi
c)
segmental bronchi
d)
terminal bronchi
e)
respiratory bronchioles
3.
Supplying oxygen to the alveoli and removing carbon dioxide is called
a)
inspiration
b)
expiration
c)
ventilation
d)
metabolism
e)
respiration
4.
Which of the following forms of matter can easily be expanded or compressed?
a)
solids
b)
liquids
c)
gases
d)
synthetic solids
e)
none of the above
5.
The normal barometric pressure at sea level is
a)
300 mm HG
b)
700 mm Hg
c)
760 mm Hg
d)
800 mm Hg
e)
1000 mm Hg
6.
Small pressure changes in the airways are measured in
a)
mm Hg
b)
mm H2O
c)
cm Hg
d)
cm H2O
e)
psig
7.
A Venturi system that entrains room air will do all of the following except
a)
increase total gas flow
b)
decrease the delivered oxygen concentration
c)
increase laminar gas flow
d)
regulate total flow using entrainment port size
e)
incease turbulent gas flow
8.
Which of the following oxygen therapy devices may not require humidification?
a)
nasal cannula at 4 L/min
b)
nasal cannula at 6L/min
c)
partial reabreathing mask at 10L/min
d)
non-rebreathing mask at 10 L/min
e)
CPAP system at 30 L/min
9.
Most unheated bubble humidifier raise the humidity to the equivalent of relative humidity at 37C of
a)
35% to 45%
b)
55% to 65%
c)
55% to 85%
d)
85% to 95%
e)
95% to 100%
10.
What size aerosol droplet will be most effective in delivering a drug to the supraglottic mucosa?
a)
.5 µm
b)
3 µm
c)
5 µm
d)
10 µm
e)
15 µm
11.
What proportion of aerosol droplets from a metered dose inhaler (without a spacer) will be deposited in the mouth?
a)
0.01
b)
0.09
c)
0.5
d)
0.8
e)
0.95
12.
What is the best position to improve aerosol deposition in peripheral airways?
a)
prone
b)
supine
c)
Fowler's
d)
lateral decubitus
e)
Trendelenburg's
13.
A strong cough will generate expiratory flow of
a)
30 L/min
b)
50 L/min
c)
60 L/min
d)
100/ min
e)
300 L/min
14.
The vacum applied to the suction catheter of an adult patient should be limited to
a)
(-20 to -50 mm Hg )
b)
(-50 to -80 mm Hg )
c)
(-70 to -150 mm Hg )
d)
(-120 to -160 mm Hg )
e)
(-160 to -200 mm Hg )
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