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Questions and Answers

1.
An ultrasonic nebulizer set at maximum aplitude is producing an insignificant quantity of mist. All of the following procedures could be done to improve the performance of the nebulizer Except
Discuss
A.

Checking the quantity of liquid in the couplant chamber.
B.

Heating the solution cup with an immersion heater.
C.

Increasing the gas flow from the blower unit.
D.

Checking the quantity of liquid in the medication cup.
2.
If the patient's chest x-ray shows infiltrates in the posterior basal lung segments, postural drainage should be perfomed in which of the following positions
Discuss
A.

Head down, patient prone, with a pillow under the abdomen
B.

Head down, patient supine, with a pillow under the knees
C.

Patient prone, with a pillow under the head bed flat
D.

Patient supine, with a pillow under the knees bed flat
3.
For patients recieving aerosolized bronchodilator therapy, which of the following precautions would be beneficial in preventing nosocomial infection ? 1.Use a different small volume nebulizer for each patient 2.Change the nebulizers and tubing every 24 hrs 3.perform thorough handwashing prior to each therapy session
A.

2 only
B.

1 and 2 only
C.

2 and 3 only
D.

1,2, and 3
4.
Which of the following formulas will calculate the number of hours an E cylinder will provide oxygen to a patient?
Discuss
A.

Tank pressure (psi) x 0.3/ flow rate (LPM)
B.

Flow rate (LPM) x 0.3 / tank pressure (psi)
C.

[tank pressure (PSI) x 0.3 / flowrate (LPM)] / 60
D.

[flowrate (LPM) x 0.3 / tank pressure (PSI)] / 60
5.
What tank factor is used to calculate how long an H cylinder will last when the pressure (PSI) and flowrate (LPM) are given?
A.

.003
B.

.03
C.

0.3
D.

3.0
6.
How long will a full E cylinder last if run until empty with a flowrate of 10 LPM?
Discuss
A.

1 Hour
B.

10 Hours
C.

33 Hours
D.

66 Hours
7.
An H cylinder of oxygen has 1200 psi remaining in the tank. How long will it take to decrease to 200 psi if the flow is 5 LPM?
A.

1 Hour
B.

10 Hours
C.

60 Hours
D.

600 Hours
8.
A patient will be away from their room for two hours while undergoing a special procedure in the radiology department. They will be using a full E cylinder. What is the maximum flow that the therapist could use without running out of oxygen?
A.

2 LPM
B.

5 LPM
C.

8 LPM
D.

10 LPM
9.
Which of the following formulas will determine the total flow being delivered to a patient with a 28% venturi mask running at 6 LPM?
A.

Total flow = 6 x 2
B.

Total flow = 6 x 4
C.

Total flow = 6 x 5
D.

Total flow = 6 x 11
10.
Which of the following is the air -to- oxygen ratio for a device delivering 60% oxygen?
A.

1:1
B.

3:1
C.

4:1
D.

10:1
11.
What would the total flow delivered to a patient be if the aerosol is set to 40% oxygen and the flowmeter is running a 9 LPM?
Discuss
A.

15-20 LPM
B.

25-30 LPM
C.

35=40 LPM
D.

45-50 LPM
12.
What would the total flow delivered to a patient be if the air entrainment mask is set on 35% oxygen and the flowmeter is running at 6 LPM?
A.

20-25 LPM
B.

30-35 LPM
C.

40=45 LPM
D.

50-55 LPM
13.
An air flowmeter and an oxygen flowmeter are being used to deliver 40% oxygen to a patient via a non-rebreathing mask. A total flow of 12 LPM is required to prevent the non-rebreathing bag from deflating. How many liters of air and how many liters of oxygen should the therapist use?
Discuss
A.

2 LPM air 6 LPM oxygen
B.

4 LPM air 8 LPM oxygen
C.

6 LPM air 6 LPM oxygen
D.

9 LPM air 3 LPM oxygen
14.
Which of the following pulmonary function measurements would have the largest predicted normal value?
A.

Inspiratory reserve volume
B.

Functional residual capacity
C.

Total lung capacity
D.

Vital capacity
15.
Which of the following would equal the vital capacity (VC)?
A.

VT + IRV
B.

ERV + RV
C.

IRV + VT + ERV
D.

IRV + VT + ERV + RV
16.
Which of the following pulmonary function measurements would normally have the smallest predicted normal value?
A.

IRV
B.

TLC
C.

VC
D.

IC
17.
The following pulmanary function measurements have been determined for a 42 year old male patient with asthma. VC - 5.1 L. FRC - 2.4 L. ERV - 1.4 L. VT - 0.5 L. IRV - 3.2 L. What should the therapist report as the total lung capacity (TLC)?
A.

5.6 L
B.

6.1 L
C.

7.6 L
D.

8.3 L
18.
The following pulmonary function data was reported for a 45 year old pre-op patient. TLC - 5.4 L, RV - 1.0 L, IRV - 2.6 L, VC - 4.2 L, ERV - 1.0 L, VT - 0.6 L, FRC - 2.0 L, IC - 3.2 L. Which of the above capacities is incorrect?
A.

TLC
B.

VC
C.

FRC
D.

IC