The EMT is appropriately sizing the nasal airway when she measures the:
A) Distance from the mouth to the angle of the jaw
B) Diameter of the larger nostril
C) Distance from the tip of the nose to earlobe
D) Diameter of the patient's little finger
C) Distance from the tip of the nose to earlobe
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The inspiratory phase on a Puritan Bennett PR-2 will end when which of the following occurs?
a. The clutch plate, diaphragm, and ceramic switch are forced left. b. Gravity is sufficient to completely close the Bennett valve. c. The Bennett valve rotates counterclock-wise. d. The set Sensitivity level is reached.
Which of the following is false about cuff inflation techniques (MOV = minimal occluding vol-ume; MLT = minimal leak technique)?
a. The MLT approach negates the need for pressure monitoring. b. The MLT allows a small leak at peak or end of inspiration. c. At MOV, air leakage around the tube cuff should cease. d. With MLT, secretions tend to be blown upward during inflation.