Lindsey Jones Test C Questions And Answers
Which of the following would be most beneficial in resolving microatelectasis?
A. Thoracentesis
B. Bronchoscopy
C. Percutaneous ventilation
D. Chest tubes Your answer was : B
The correct answer is : B
Explanation : A bronchoscopy would be most benef...
Which quality control run(s) indicate the machine is out of control?
A. Run 2 and 3
B. Run 1 and 2
C. Run 2 only
D. Run 3 only Your answer was : C
The correct answer is : C
Explanation : This question involves doing some math. You must look at each pH and add and
subtract 0.5%. You must do the same for the PO2, using 3%. From there you can look at the
results and determine which Run is out of control. In this case only Run two is out of control.
A respiratory therapist is considering a patient's readiness to wean from mechanical ventilation.
To determine the A-aDO2, the therapist will need which of the following?
A. CaO2 and PAO2
,Lindsey Jones Test C Questions And Answers
B. VD/VT and PAO2
C. VD/VT and ABG
D. ABG and alveolar oxygen tension Your answer was : A
The correct answer is : D
Explanation : This question requires you to remember what is needed to calculate A-a gradient.
You only need two things - the alveolar oxygen tension (PAO2), and the arterial oxygen tension,
determined from an arterial blood gas.
A patient with increased airway resistance from a fixed upper airway obstruction would benefit
most from which of the following?
A. heliox therapy
B. aerosolized atropine
C. epinephrine
D. bronchodilator therapy Your answer was : A
The correct answer is : A
Explanation : A fixed upper airway obstruction means air is having difficulty moving both in and
out. It is usually caused by cancer or other non-changeable conditions. In this case the best thing
we can do is decrease airway resistance by using helium or Heliox therapy.
, Lindsey Jones Test C Questions And Answers
Evaluating MIP (maximum inspiratory pressure) is most useful in evaluating which of the
following?
A. presence of a restrictive pulmonary defect
B. presence of obstructive pulmonary defect
C. inspiratory muscle strength
D. effectiveness of cough Your answer was : C
The correct answer is : C
Explanation : Maximum inspiratory pressure is most useful in evaluating for inspiratory muscle
strength, or the ability to sustain ventilation. To determine if a patient has a restricted pulmonary
defect one would need to do a pulmonary function test. The effectiveness of a cough would be
assessed through doing a maximum expiratory pressure maneuver, or MEP.
An air-entrainment jet nebulizer is set at 50%. The respiratory therapist analyzes the oxygen
coming from the end of the tubing and finds it is 60%. Which of the following most likely
explains this finding?
A. excess water in the tubing
B. poorly calibrated analyzer
C. leak in the tubing
D. low flow through the jet orifice Your answer was : A
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