Which type of pressure is necessary within the thorax to maintain normal inhalation and expiration?
a. Negative
b. Positive
c. Internal
d. Blunt
ANS: A
Negative, or subatmospheric, pressure is needed to avoid pressure changes that can be caused by openings in the thoracic wall. An uncontrolled opening in the thoracic wall can cause pressure change and be fatal.
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A. Urine B. Feces C. Sweat D. Evaporation from the skin and lungs
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III II V IV
Individual therapy for auditory processing using a computer is reported with code ____________________.
Fill in the blank(s) with the appropriate word(s).