Nbrc Practice Exam: Quiz!

18 Questions | By Diaz_daniel0316 | Updated: Mar 22, 2022 | Attempts: 1967

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1.

An ultrasonic nebulizer set at maximum amplitude 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 coupling 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 infiltrate in the posterior basal lung segments, postural drainage should be performed 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 receiving aerosolized bronchodilator therapy, which of the following precautions would help prevent 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 before 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 flow rate 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 airflow meter 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 pulmonary 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 were 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