What is the movement of small volumes of air back and forth in the respiratory tract at high fre-quencies (12 to 25 Hz) called?
a. Tidal breathing
b. Active cycle breathing
c. Oscillation
d. Huffing
ANS: C
As applied to airway clearance, oscillation refers to the rapid vibratory movement of small vol-umes of air back and forth in the respiratory tract.
Health Professions
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The abbreviation for the right eye is OS, for the left eye is OD, and for both eyes is OO.
Answer the following statement true (T) or false (F)
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