A lung that loses elastic fibers would exhibit which of the following characteristics?

a. Decreased airways resistance
b. Decreased pulmonary vascular resistance
c. Increased airway resistance
d. Increased pulmonary compliance


ANS: D
Increased compliance results primarily from loss of elastic fibers, which occurs in emphysema.

Health Professions

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In the figure, the pulse is being taken over the ________ artery.

Fill in the blank(s) with the appropriate word(s).

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Which of the following do rolling steel fire doors and horizontal sliding fire doors have in common as related to the means of egress?

A. They cannot be used in openings that are part of the means of egress. B. They are required to have swinging doors located within 50 feet (15 m). C. They must be operated by gravity and be triggered by smoke alarms. D. They may only be used in industrial applications with fire-resistive ratings

Health Professions