The therapist is preparing to nebulize a medication via heliox to a spontaneously breathing patient who is already receiving heliox. Which of the following pieces of equipment will the therapist need to assemble for this procedure? I. nasal cannula II. valved O2 mask III. 2 one-way valves IV. Y-connector
A. I, III only
B. II, IV only
C. I, II, IV only
D. II, III, IV only
ANS: C
A. Incorrect response: See explanation C.
B. Incorrect response: See explanation C.
C. Correct response: For spontaneously breathing patients, heliox is administered by face mask with a reservoir bag. A Y-piece is attached to the mask to enable concurrent delivery of aerosolized medications. Sufficient flow to maintain the reservoir bag inflated is required. The flow is often maintained at 12 to 15 L/minute. The patient consumes approximately three to six cylinders per day.
D. Incorrect response: See explanation C.
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