Which person is at greatest risk for developing a community-acquired pneumonia?
a. Middle-aged teacher who typically eats a diet of Asian foods
b. Older adult who smokes and has a sub-stance abuse problem
c. Older adult with exercise-induced wheez-ing
d. Young adult aerobics instructor who is a vegetarian
B
Although age is a factor in the development of community-acquired pneumonia, other lifestyle and exposure factors increase the risk to a greater extent than age. Two conditions that heavily predispose to the development of pneumonia are cigarette smoking and alcoholism. Dietary choices typically do not predispose to the development of pneumonia. Cigarette smoking inter-feres with the ciliary function of removal of invasive materials. Alcoholism usually results in unbalanced nutrition, as well as decreased immune function. A middle-aged adult, an older adult with wheezing induced by exercise, and a young adult vegetarian would not be at risk for com-munity-acquired pneumonia because they have no predisposing conditions.
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