Nbrc Practice
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- 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
- 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
- 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?
- 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?
- 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?
- 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?
- 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
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