Nbrc Practice Test

 

Q.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.
Q.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
Q.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
Q.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
Q.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
Q.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
Q.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
Q.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
Q.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
Q.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.a pt is getting vcv as follows

1am- vt 800, peak 40, plat 30
3 am- vt 800, peak 60, plat 32

what should rt do next?: suction endotracheal tube

12.a pt w ards is getting pcv in ac for 4 days. what should be done to comply with a protocol to minimize vap?: provide daily break from iv sedation
13.a pt w progressive als is getting ippb with a mouthpiece. the machine does not cycle to expiration. the rt should: use a face mask
14.A rt notices the space between the vertebrae are visible and distinct on a cxr. This image technique is most likely: correct
15.a rt performs abg analysis for a pt. rt doesnt think pao2 is consistent with pts clinical condition. what should rt do next?: perform a 2 point calibration
16.five hours post partum, a capillary gas is drawn from a full term infant. results:
7.34/41/50/21/-3
what’s the most appropriate interpretation?: normal acid base balance
17.hfov is initiated for a 25 week neonate with severe RDS. hr 160, bp 64/40, abg 20 minutes later is 7.26/64/60/28/+2
The rt should recommend: increase in oscillatory amplitude
18.multiple ppl enter er with headache, sob, and fatigue. they have central and peripheral cyanosis even w O2. spo2 between 72 and 80. abg’s show acute resp alkalosis, po2 of 400, cohb 4%, sao2 60-68%. what should rt recommend?: iv methylene blue
19.PEP is to be performed at home by a 6 year old w CF.What should rt do when instructing this pt?: assess caregivers understanding of how therapy should be performed
20.pt experiences sob and rapid shallow breathing pattern after abdominal surgery. pt getting o2 by air entrainment mask at 50%. abg:
7.44/33/45/22/-2

21.C(a-v)O2: 4 – 5 vol%
22.CaO2: 17 – 20 vol%
23.Capnography (ETCO2): 30 torr
range 3 – 5%
24.Carboxyhemoglobin: 1 – 3%
25.Cardiac Index: 2 – 4 L/min/m2
26.Cardiac output: 4 – 8 L/min
27.Cerebral Perfusion Pressure (CPP): 70 – 90 mm Hg
28.Child CPR Breathing Rate: 12 – 20 breaths/min
29.Child CPR Compression to Ventilation Ratio: 15:2 two rescuer
30.Chloride (Cl-): 90 mEq/L
Range 80 – 100 mEq/L

31.Clotting Time: Up to 6 minutes
32.Creatinine: 0.7 – 1.3 mg/dL
33.CvO2: 12 – 16 vol%
34.Define Dubowitz Score: A method of clinical assessment in the newborn from birth until five days old that includes neurological criteria for the infant’s maturity and other physical criteria to determine gestational age.
35.Diagnostic Chest Percussion: Resonant
36.Dubowitz Score: 40
37.Endotracheal Tube Cuff Pressure: < 20 mm Hg
< 25 cm H2O
38.Heart sounds: S1, S2
39.Hematocrit(Hct): 40 – 50%
40.Hemoglobin (Hb): 12 – 16 gm/100 mL blood
41.Infant Blood Pressure: 60/40 mm Hg
42.Infant CPR Breathing Rate: 12 – 20 breaths/min
43.Infant CPR Compression to Ventilation Ratio: 15:2 two rescuer
44.Infant Heart Rate: 110 – 160/min
45.Infant Respiratory Rate: 30 – 60 breaths/min
46.Infant Temperature: 36.5 degrees Celsius
47.Intracranial Pressure (ICP): 5 – 10 mm Hg
48.L/S Ratio: 2:1 or higher
49.Left Atrial Pressure: 2 – 6 mm Hg
50.Left Ventricle Pressure: 120/0 mm Hg