Which of the following statements accurately describe(s) emphysema?
1. It is characterized by alveolar wall destruction.
2. It is most closely associated with cystic fibrosis.
3. It is reversible and preventable.
4. It is characterized by thick secretions and mucus plugging.
a. 1
b. 3
c. 1, 3
d. 1, 2, 4
A
Emphysema is defined pathologically as the presence of permanent enlargement of the airspaces distal to the terminal bronchioles accompanied by destruction of the alveolar walls.
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During which conflict did helicopter evacuation of wounded U.S. soldiers become standard practice?
A) World War I B) Korean War C) World War II D) Vietnam War
The HMO Act of 1973 used federal funds for the purpose of:
A. promoting health maintenance organizations (HMOs). B. increasing restrictions on HMOs. C. developing new managed care corporations. D. establishing a regulatory board for HMOs.