Which of the following describes an acinus?
a. Each acinus is comprised of five terminal respiratory units.
b. It consists of all structures distal to a ter-minal bronchiole.
c. It is composed of the smaller conducting airways.
d. It is the transitional portion of the lung between conduction and respiration.
ANS: B
A single terminal bronchiole supplies a cluster of respiratory bronchioles. Collectively, this unit is referred to as the acinus.
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Why is the normal reduction in vital capacity, which is associated with the supine position, greatly accentuated by diaphragmatic weakness?
A. Displacement of the diaphragm is enhanced by pressure from the abdominal contents. B. The weight of the thorax cannot be opposed by the weakened diaphragm. C. The accessory muscles of inspiration cause inward displacement of the diaphragm. D. The diaphragm has a natural tendency to move cephalad in the supine position.
Confidentiality, policies, procedures, and record retention would be considered ______ issues
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