RCP
240 &nbs=
p; &=
nbsp; &nbs=
p; &=
nbsp; &nbs=
p; &=
nbsp;
RESPIRATORY
THERAPEUTICS
FINAL
EXAM &nb=
sp; =
&nb=
sp; =
&nb=
sp; =
&nb=
sp; NAME___________________________
DECEMBER
14, 2010
ANSWER
THE FOLLOWING MULTIPLE CHOICE QUESTIONS WITH THE BEST ANSWER ON THE ANSWER
SHEET PROVIDED. (1 PT EACH)
1. =
Normal
body temperature in degrees Celsius is:
A)
25
B)
35
C)
37
D)
100
2. =
Which
of the following is the coldest temperature?
A)
–25o
F
B)
–55o
C
C)
0o
C
3. =
Which
of the following is the LEAST amount of pressure?
A)
1
mm Hg
B)
1
psi
C)
1
atm
D)
1
cm H2O
4. =
If
the pressure on the regulator of a high pressure gas cylinder indicates 0 p=
sig,
the absolute pressure is most likely:
A)
0
psia
B)
14.7
psia
C)
50
psia
D)
100
psia
5. =
22.4
liters of oxygen gas at standard temperature and pressure should have what
mass?
A)
12
grams
B)
16
grams
C)
32
grams
D)
42
grams
6. =
If
oxygen is at –125o C, and at barometric pressure, it would=
be
considered a:
A)
solid
B)
liquid
C)
gas
D)
vapor
7. =
The
boiling point of oxygen is:
A)
0o
C
B)
–100o
C
C)
–119o
C
D)
–
183o C
8. =
Which
of the following substances would be most dense?
A)
O
B)
O2
C)
H2O
D)
CO2
9. =
The
critical pressure of oxygen is:
A)
12
atm
B)
26
atm
C)
35.3
atm
D)
49.7
atm
10. How m=
uch
pressure does the water vapor exert at 37o C and the gas is
saturated?
A)
25
mm Hg
B)
30
mm Hg
C)
47
mm Hg
D)
62
mm Hg
11. If we=
add
up all the percentages of all the constituent gases and vapors in a gas
mixture, that number should equal:
A)
25%
B)
50%
C)
75%
D)
100%
12. If a =
gas
mixture has 5% CO2, 25% N2O, 30% N2, and 3=
5% O2,
which of these gases would have the highest partial pressure?
A)
CO2
B)
N2O
C)
N2
D)
O2
13. The
percentage of oxygen in the earth’s atmosphere is:
A)
10%
B)
15%
C)
21%
D)
78%
14. Which=
of
the following are true relating to diffusion of =
gases?
&=
nbsp;
&=
nbsp; &nbs=
p; I. &=
nbsp; gases
diffuse from high concentration to lower concentration
II. &nb=
sp;
gases
diffuse from low concentration to higher concentration
III. &n=
bsp;
gases
can diffuse into liquid
IV. &nb=
sp;
gases
can not diffuse into liquid
A)
I
and III
B)
I
and IV
C)
II
and III
D)
II
and IV
15. Which=
of
the following would increase the flow rate of a gas through a tube?
&=
nbsp; A)
increasing the pressure gradient and increasing =
the
opening size
&=
nbsp; B)
increasing the pressure gradient and decreasing =
the
opening size
&=
nbsp; C)
decreasing the pressure gradient and increasing =
the
opening size
&=
nbsp; D)
decreasing the pressure gradient and decreasing =
the
opening size
16. The p=
urpose
of the Venturi principle is to restore:
A)
total
flow to original levels
B)
forward
velocity
C)
oxygen
percentage
D)
lateral
pressure to prerestriction levels
17. If th=
ere is
an obstruction downstream from the main flow in a Vent=
uri
air entrainment system:
A)
total
flow will be decreased and oxygen percentage will be decreased
B)
total
flow will be increased and oxygen percentage will be decreased
C)
total
flow will be decreased and oxygen percentage will be increased
D)
total
flow will be increased and oxygen percentage will be increased
18. Which=
of
the following would tend to cause turbulent gas flow through a tube?
A)
density
of the gas is increased
B)
flow
of the gas is decreased
C)
diameter
of the tube is decreased
D)
viscosity
of the gas is increased
19. Which=
of
the following is true concerning the relationship between the diffusion rat=
es
of CO2 and O2 in the body?
A)
O2
diffuses 19 times faster than CO2
B)
CO2
diffuses 19 times faster than O2
C)
O2
diffuses twice as fast as CO2
D)
CO2
diffuses twice as fast as O2
20. Oxyge=
n gas
is:
I. &nbs=
p;
odorless
II. &nb=
sp;
colorless
III. &n=
bsp;
flammable
A)
I
only
B)
I
and II
C)
II
and III
D)
I,
II, and III
21. Most =
oxygen
used for commercial use in the hospital is produced by:
A)
fractional
distillation
B)
physical
separation
C)
electrolysis
D)
thermal
decomposition
22. Which=
of
the following agencies is responsible for setting standards for bulk oxygen
systems?
A)
FDA
B)
CGA
C)
NFPA
D)
OSHA
23. The
pressure at a hospital station outlet should be:
A)
20
psig
B)
50
psig
C)
90
psig
D)
150
psig
24. Which=
of
the following would be considered an oxygen enriched atmosphere?
I. &nbs=
p;
19%
oxygen
II. &nb=
sp;
21%
oxygen
III. &n=
bsp;
25%
oxygen
IV. &nb=
sp;
35%
oxygen
A)
IV
only
B)
III
and IV
C)
II,
III, and IV
D)
I,
II, III and IV
25. Which=
of
the following are involved in the fractional distillation process?
I. &nbs=
p;
air
is filtered
II. &nb=
sp;
air
is compressed to 200 atm
III. &n=
bsp;
compressed
air is cooled to room temperature
IV. &nb=
sp;
gas
is separated due to different boiling points of constituent gases
A)
I
and IV
B)
I,
II and III
C)
II,
III and IV
<=
![if !supportLists]>D)
I,
II, III and IV
26. &nb=
sp; Cylinders
that are generally used in helicopter transport are constructed from:
A)
chrome molybdenum
B)
heat-treated steel
C)
lead
D)
aluminum alloy
27.
A)
next to the service pressure
B)
next to the serial number
C)
below the service pressure
D)
between the month and year of the test dat=
e
28<=
span
style=3D'font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast=
-font-family:
Calibri'>. &nb=
sp; A
high pressure gas cylinder has a service pressure of 2265. What is the highest pressure this
cylinder can be filled with?
A)
2000 psig
B)
2200 psig
C)
2490 psig
D)
3000 psig
29<=
span
style=3D'font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast=
-font-family:
Calibri'>. &nb=
sp; An
oxygen E cylinder has a sticker on it which reads “25 cu ft”.
A)
about 600
B)
about 700
C)
about 800
D)
about 900
30. &nb=
sp; A
yellow high pressure gas cylinder color-coded correctly should contain:
A)
oxygen
B)
air
C)
nitrogen
D)
helium
31. &nb=
sp; During
hydrostatic testing of high pressure gas cylinders, cylinders are filled to=
:
A)
1.5 times their working pressure
B)
5/3 times their working pressure
C)
2 times their working pressure
D)
3 times their working pressure
32. &nb=
sp; A
multi-stage regulator will have:
A)
two pressure gauges
B)
two flowmeters=
C)
two fusible plugs
D)
two spring-loaded pop-off valves
33<=
span
style=3D'font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast=
-font-family:
Calibri'>. &nb=
sp; Which
of the following safety systems is used on the connection between an H cyli=
nder
and the regulator?
A)
American Standard Safety System
B)
Diameter Index Safety System
C)
Pin Index Safety System
D)
Compressed Gas Association Safety System
34. &nb= sp; The connection between the flowmeter and the quick connect is governed by the:<= o:p>
A)
American Standard Safety System
B)
Diameter Index Safety System
C)
Pin Index Safety System
D)
Compressed Gas Association Safety System
35. &nb=
sp; A
preset regulator should be used with which of the following pieces of equip=
ment?
I. &nbs=
p;
flowmeter
II. &nb=
sp;
IPPB machine
III. &n=
bsp;
Mechanical ventilator
A)
I and II
B)
I and III
C)
II and III
D)
I, II and III
36. &nb=
sp; Which
of the following would be the best therapeutic heliox<=
/span>
mix to use on a patient?
A)
90% helium, 10% oxygen
B)
70% helium, 30% oxygen
C)
50% helium, 50% oxygen
D)
30% helium, 70% oxygen
37. &nb=
sp; Which
of the following would be indications for heliox
therapy?
I. &nbs=
p;
severe asthma episode
II. &nb=
sp;
severe emphysema
III. &n=
bsp;
severe pulmonary fibrosis
IV. &nb=
sp;
severe upper airway obstruction
A)
I and II
B)
I and IV
C)
II and III
D)
III and IV
38. &nb=
sp; The
primary therapeutic purpose of nitric oxide (iNO) is:
A)
pulmonary vasodilation
B)
pulmonary vasoconstriction
C)
systemic vasodilation
D)
systemic vasoconstriction
39<=
span
style=3D'font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast=
-font-family:
Calibri'>. &nb=
sp; You
hear some gas leaking from a piece of equipment. The gas has a sweet taste and odor=
. Which of the following gases is the
cause of the leak?
A)
oxygen
B)
air
C)
helium
D)
nitrous oxide
40<=
span
style=3D'font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast=
-font-family:
Calibri'>. &nb=
sp; You
are asked to initiate iNO on a newborn infant.<=
span
style=3D'mso-spacerun:yes'> Which of the following doses would=
you
recommend for starting this therapy?
A)
2 ppm
B)
5 ppm
C)
20 ppm
D)
100 ppm
41. &nb=
sp; Which
of the following would be a case where a patient could have hypoxia without
hypoxemia?
I. &nbs=
p;
asthma
II. &nb=
sp;
carbon monoxide poisoning
III. &n=
bsp;
GI bleed leading to severe anemia
IV. &nb=
sp;
Pneumonia
A)
I and II
B)
I and III
C)
II and III
D)
III and IV
42. &nb=
sp; The
first sign of hypoxemia is:
A)
dyspnea
B)
tachypnea
C)
cyanosis
D)
tachycardia
43. &nb=
sp; Which
of the following is the cause of secondary polycythemi=
a?
A)
chronic hypoxemia
B)
acute hypoxemia
C)
chronic hypertension
D)
acute hypertension
44. &nb=
sp; Which
of the following are seen with acute hypoxia?
I. &nbs=
p;
tachypnea
II. &nb=
sp;
hypertension
III. &n=
bsp;
increased tidal volume
IV. &nb=
sp;
decreased renal blood flow
A)
I, II and III
B)
I, II and IV
C)
II, III and IV
D)
I, II, III and IV
45. &nb=
sp; Which
of the following patients is at highest risk for lung damage?
A)
patient on 35% oxygen for four weeks
B)
patient on 24% oxygen for two years
C)
patient on 50% oxygen for one week
D)
patient on 100% oxygen for four days
46. &nb=
sp; Which
of these patients have an indication for oxygen therapy?
I. &nbs=
p;
COPD patient with pulse oximetry of 82% on
room air
II. &nb=
sp;
Pneumonia patient with PaO2 of 51 mm Hg on
room air
III. &n=
bsp;
Patient currently having a myocardial
infarction
A)
I and II
B)
I and III
C)
II and III
D)
I, II and III
47<= span style=3D'font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast= -font-family: Calibri'>. &nb= sp; You are asked to help treat a patient in the ER who is complaining of shortness= of breath (SOB). The patient is breathing 35/minute. Heart ra= te is 110 bpm and there is cyanosis in the nail beds. Your next course of action is to:<= o:p>
&nbs=
p; &=
nbsp;
A)
go find a pulse oxime=
ter
B)
draw an arterial blood gas
C)
place the patient on 2 lpm oxygen via nasal
cannula
D)
call for a stat ECG
48. &nb=
sp; The
primary purpose of oxygen therapy is to:
A)
decrease work of breathing
B)
increase cardiac output
C)
increase urinary output
D)
increase oxygen levels in the blood and ox=
ygen
delivery to the tissues
49. An E cylinder is providing oxygen for a simple mask at 8 lpm. There is 1900 psig left in the
cylinder. How long in hours a=
nd
minutes will this cylinder last?
A)
38
minutes
B)
One
hour and six minutes
C)
2
hours and 25 minutes
D)
4
hours and 7 minutes
50. A pat=
ient
with chronic CO2 retention is currently on oxygen at 5 lpm. The biggest r=
sik
for this patient is:
A)
Oxygen
induced hypoventilation
B)
Oxygen
toxicity
C)
Absorption
atelectasis
D)
Bronchopulmonary dysplasia=
51. &=
nbsp; You
are told that the entrainment ratio for an air entrainment mask is 5:1. This indicates that:
A)
for every lpm set on the oxygen flowmeter,=
5
lpm of air are entrained
B)
for every lpm set on the oxygen flowmeter,=
6
lpm of air are entrained
C)
for every 5 lpm set on the oxygen flowmete=
r, 1
lpm of air is entrained
D)
for every 1 lpm set on the oxygen flowmete=
r,
the total flow is 5 times that
52. &=
nbsp; The
gas coming from a green cylinder should have an =
FiO2
of:
A)
100
B)
10.0
C)
1.00
D)
0.10
53. &=
nbsp; Which
of the following would cause an increase in the oxygen percentage delivered=
by
a nasal cannula?
I. &nbs=
p;
mouth breathing
II. &nb=
sp;
decreased tidal volume
III. &n=
bsp;
increased oxygen liter flow
IV. &nb=
sp;
increased breathing rate
A)
I and II
B)
II and III
C)
III and IV
D)
II, III and IV
54. &=
nbsp; Which
of the following devices would likely give a higher oxygen percentage than a
standard nasal cannula with the same liter flow?
I. &nbs=
p;
moustache cannula
II. &nb=
sp;
pendant cannula
III. &n=
bsp;
transtracheal oxygen catheter
A)
I only
B)
III only
C)
I and III
D)
I, II and III
55. &=
nbsp; Which
of the following devices would be considered a LOW FLOW device?
I. &nbs=
p;
nasal cannula
II. &nb=
sp;
simple mask
III. &n=
bsp;
air entrainment mask
IV. &nb=
sp;
t-piece
A)
I only
B)
I and II
C)
II and IV
D)
I, II and IV
56. &=
nbsp; The
standard nasal cannula has a maximum flow rate of:
A)
4 lpm
B)
5 lpm
C)
6 lpm
D)
7 lpm
57. &=
nbsp; An
adult simple mask should have a MINIMUM flow rate of:
A)
3 lpm
B)
4 lpm
C)
5 lpm
D)
6 lpm
58. &=
nbsp; With
which of the following devices would you use a bubble humidifier?
I. &nbs=
p;
nasal cannula at 5 lpm
II. &nb=
sp;
high flow nasal cannula at 12 lpm
III. &n=
bsp;
aerosol mask at 40%
IV. &nb=
sp;
air entrainment mask at 24%
A)
I and II
B)
I and IV
C)
II and III
D)
I, II and IV
59. &=
nbsp; The
device you would most likely use in the emergency department to deliver the
highest oxygen percentage would be a:
A)
high flow nasal cannula
B)
simple mask
C)
partial rebreathing mask
D)
nonrebreathing mask
60. &=
nbsp; The
air entrainment masks we use have an oxygen percentage range of:
A)
24-50%
B)
28-50%
C)
24-60%
D)
30-60%
61. &= nbsp; You are asked to assess a patient with a tracheostomy. The patient is currently on 50% ox= ygen with the oxygen flowmeter set at 10 lpm.&n= bsp; The patient’s pulse oximeter is re= ading 83%. What would you do next?<= o:p>
A)
increase the flow to 15 lpm
B)
increase oxygen percentage to 60%
C)
switch to a Brigg’s t-adapter
D)
recommend CPAP
62. &=
nbsp; The
nurse asks you to help with a patient who is currently on a 35% air entrain=
ment
mask. The patient would like =
to eat
and the nurse asks what liter flow should be used for the nasal cannula.
A)
3 lpm
B)
4 lpm
C)
5 lpm
D)
6 lpm
63. &=
nbsp; Which
of the following is a high flow device?
A)
simple mask
B)
nonrebreathing mask
C)
high flow nasal cannula
D)
air entrainment mask
64. &=
nbsp; While
receiving report for the beginning of your shift you are told that Mr. Jone=
s in
ICU is on an 80% aerosol mask. The reporting
therapist tells you that Mr. Jones has not been oxygenating well. While doing ICU rounds you notice =
the
high FIO2 air entrainment nebulizer is set at 80% and the flowme=
ter
is set at 12 lpm. The pulse <=
span
class=3DSpellE>oximeter on Mr. Jones is reading 84%. What would you do next?
A)
increase the flowmeter to flush
B)
increase the oxygen percentage to 100%
C)
change the patient to a nonrebreathing mas=
k
D)
recommend changing the patient to CPAP
65. &=
nbsp; The
physician would like to change a patient from a nasal cannula to a mask.
A)
air entrainment mask at 28%
B)
air entrainment mask at 35%
C)
simple mask at 3 lpm
D)
partial rebreathing mask at 10 lpm
66. &=
nbsp; The most common complication of transtracheal oxygen t=
herapy
is:
A)
pneumothorax
B)
infection
C)
mucus plugging of catheter
D)
subcutaneous emphysema
67. &=
nbsp; The most efficient way to deliver low flow oxygen in a
patient’s home is:
A)
liquid oxygen
B)
high pressure gas cylinders
C)
oxygen concentrator
D)
bulk oxygen system
68. &=
nbsp; Most
hyperbaric oxygen therapy is done at:
A)
1-2 atm
B)
2-3 atm
C)
3-4 atm
D)
4-5 atm
69. &=
nbsp; You
are asked to assist in the management of a patient in the emergency
department. During your asses=
sment
of the patient you notice cyanosis, use of accessory muscles for breathing,
breathing rate of 38 and a heart rate of 128. You would recommend:
A)
drawing an arterial blood gas
B)
going to get a pulse =
oximeter
to check the SpO2
C)
placing the patient on oxygen
D)
asking to get a stat chest x-ray
70. &=
nbsp; You
are asked to assess a patient who is currently on oxygen. The patient is currently on a nasal
cannula at 3 lpm. You do a pu=
lse
oximetry spot check on the patient and it reveals an
SpO2 of 87%. You w=
ould:
A)
leave oxygen at 3 lpm
B)
increase the nasal cannula to 4 lpm
C)
change the patient to a simple mask at 8 l=
pm
D)
change the patient to a nonrebreathing mas=
k at
12 lpm
71. &=
nbsp; Which
of the following is the best method for assessing oxygen therapy?
A)
presence of cyanosis
B)
arterial blood gases
C)
breathing rate
D)
chest x-ray
72. &=
nbsp; A
patient is currently on a nasal cannula at 3 lpm. The patient complains that her nos=
e is
getting dried out. You would:=
A)
add a bubble humidifier to the system
B)
switch the patient to a simple mask with a
bubble humidifier
C)
switch the patient to an aerosol mask
D)
decrease the liter flow on the nasal cannu=
la
73. &=
nbsp; The
purpose of adding a reservoir tubing to the t-pi=
ece
set up is to:
A)
maintain inhaled FiO2
B)
decrease inhaled FiO2
C)
help remove exhaled CO2
D)
balance the tubing
74. &=
nbsp; Which
of the following types of oxygen analyzers is the most precise?
A)
paramagnetic
B)
elec=
tricochemical
C)
galvanic fuel cell
D)
pola=
rographic
75. &=
nbsp; You
are managing the oxygen therapy on a patient who is currently on a nasal
cannula at 1.5 lpm. The patie=
nt has
the following blood gas results:
&nbs=
p; &=
nbsp; &nbs=
p; pH &n=
bsp; =
; &n=
bsp; 7.37
&nbs=
p; &=
nbsp; &nbs=
p; PaCO2<=
span
style=3D'mso-tab-count:2'> &=
nbsp; &=
nbsp; 61
&nbs=
p; &=
nbsp; &nbs=
p; PaO2
&nbs=
p; You
would recommend:
A)
increasing oxygen to 3 lpm
B)
decreasing oxygen to 1 lpm
C)
changing to a nonrebreathing mask
D)
leaving oxygen at 1.5 lpm
76. &=
nbsp; Which
of the following devices actually produce aerosol?
I. &nbs=
p;
bubble humidifier
II. &nb=
sp;
ultrasonic nebulizer
III. &n=
bsp;
Aeroneb
IV. &nb=
sp;
passover humidifier
A) I and II
B) II and III
C) I, II and III
D) I, III and IV
77. &=
nbsp; The
total output of an aerosol device is measured in:
A)
ml/second
B)
ml/minute
C)
l/second
D)
l/minute
78. &=
nbsp; A
large aerosol particle will have:
A)
increased stability and deposit sooner
B)
increased stability and deposit later
C)
decreased stability and deposit sooner
D)
decreased stability and deposit later
79. &=
nbsp; When
giving bronchodilator therapy by a hand-held nebulizer the ideal particle s=
ize
is:
A)
0.5-2 microns
B)
2-5 microns
C)
5-20 microns
D)
20-50 microns
80. &=
nbsp; An
aerosol particle 30 microns in size will most likely deposit in the:
A)
oropharynx
B)
bronchi
C)
bronchioles
D)
alveoli
81. &=
nbsp; Which
of the following is the best method to deliver an aerosolized bronchodilato=
r to
a one-year-old child?
A)
oxygen tent
B)
head box
C)
blow-by
D)
aerosol mask
82. &=
nbsp; What
will happen to an aerosol particle that has a saline content of 3 % as it
traverses the airway in inspired gas?
A)
it will absorb water and grow in size
B)
it will absorb water and shrink in size
C)
it will release water and grow in size
D)
it will release water and shrink in size
83. &=
nbsp; Which
of the following is the most common side effect of aerosol delivery of
albuterol?
A)
tachycardia
B)
nausea
C)
dyspnea
D)
tremor
84. &=
nbsp; A
jet nebulizer without a baffle is termed a(n):
A)
ultrasonic nebulizer
B)
Aeroneb
C)
HEART nebulizer
D)
atomizer
85. &=
nbsp; Which
of the following nebulizers is known for its narrow particle size range and=
is
commonly used in research?
A)
Aeroneb
B)
Mini-HEART
C)
Pari=
nebulizer
D)
Air entrainment nebulizer
86. &=
nbsp; While
doing an aerosol treatment with a small volume nebulizer and albuterol the
proper flow rate range to use to power the nebulizer is:
A)
2-4 lpm
B)
4-8 lpm
C)
6-10 lpm
D)
8-12 lpm
87. &=
nbsp; Which
of the following medications would be used to treat upper airway inflammati=
on?
A)
albuterol
B)
leva=
lbuterol
C)
ipratropium bromide
D)
race=
mic epinephrine
88. &=
nbsp; Which
of the following devices would most likely be used with a bubble humidifier=
?
A)
head box
B)
mechanical ventilator
C)
nasal cannula
D)
aerosol mask
89. &=
nbsp; Which
of the following devices would use an additional heater?
I. &nbs=
p;
bubble humidifier
II. &nb=
sp;
passover humidifier
III. &n=
bsp;
wick humidifier
IV. &nb=
sp;
heat-moisture exchange (HME)
A)
I and II
B)
II and III
C)
II and IV
D)
III and IV
90. &=
nbsp; Which
of the following devices produces water in a form that produces a partial
pressure?
I. &nbs=
p;
wick humidifier
II. &nb=
sp;
bubble humidifier
III. &n=
bsp;
air entrainment nebulizer
IV. &nb=
sp;
ultrasonic nebulizer
A)
I and II
B)
I and IV
C)
I, II and IV
D)
II, III and IV
91. &=
nbsp; A
patient on a mechanical ventilator and a heated humidified system is having
problems with very thick secretions.
Which of the following would be helpful in decreasing the viscosity =
of
this patient’s secretions?
I. &nbs=
p;
increasing the temperature setting on the
heater
II. &nb=
sp;
adding a heated wire circuit
III. &n=
bsp;
adding more tubing to the circuit
A)
I only
B)
I and II
C)
II and III
D)
I, II and III
92. &=
nbsp; A
gas at 30o C has an absolute humidity content of 22 mg/l. The gas cools to 21o C.=
What would happen?
A)
the relative humidity increases and
condensation would occur
B)
the relative humidity increases and
condensation would not occur
C)
the relative humidity decreases and
condensation would occur
D)
the relative humidity decreases and
condensation would not occur
93. &=
nbsp; With which of the following devices is it the most imp=
ortant
to add an additional humidification device?
A)
nasal cannula
B)
air entrainment mask
C)
t-piece
D)
simple mask
94. &=
nbsp; While
doing oxygen rounds you check the oxygen percentage on an oxygen system that
includes an aerosol mask and an air entrainment nebulizer. The air entrainment nebulizer is s=
et at
40%. You measure the oxygen p=
ercentage
between the aerosol tubing and the water trap and the analyzer reads 57%.
I. &nbs=
p;
excessive water in the aerosol tubing
II. &nb=
sp;
source gas flow is too high
III. &n=
bsp;
entrainment ports are blocked
IV. &nb=
sp;
air entrainment nebulizer has no water in =
it
A)
I and II
B)
I and III
C)
II and III
D)
III and IV
95. &=
nbsp; The
purpose of a bubble humidifier is to replace:
A)
primary humidity deficit only
B)
secondary humidity deficit only
C)
both primary and secondary humidity defici=
t
D)
total humidity deficit
96. &=
nbsp; Which
of the following anatomical structures is primarily responsible for humidif=
ying
inspired gases?
A)
nose
B)
mouth
C)
oropharynx
D)
trachea
97. &=
nbsp; Which
of the following devices would be best for providing a consistent oxygen
percentage to a newborn infant?
A)
aerosol mask
B)
nasal cannula
C)
oxygen tent
D)
head box
98. &=
nbsp; An
oxygen tent would most likely be used for which of the following disease
processes?
A)
croup
B)
asthma
C)
pneumonia
D)
muscular dystrophy
99. &=
nbsp; While
checking a patient in an oxygen tent you notice the child is sweating profu=
sely
and looks uncomfortable. What=
is
the most likely cause of this?
A)
oxygen percentage is not high enough
B)
drain bottle has not been emptied
C)
the gas entering the tent is not cooled
D)
the tent is not sealed properly
100. While
checking the function of a head box on a patient you notice an abundance of
water collecting on the side of the head box. You would:
A)
do nothing, this is normal
B)
increase the flow on the flowmeter
C)
decrease the heater setting
<=
![if !supportLists]>D)
empty the water from the humidifier