The presence of surfactant in the alveoli tends to do which of the following?
a. Decrease compliance
b. Decrease surface tension
c. Increase elastance
d. Increase resistance
ANS: B
A phospholipid called pulmonary surfactant lowers surface tension in the lung.
Health Professions
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The motivation behind affirmative action policies is to:
A) have a system to hire marginally qualified people. B) redress the effects of past and current wrongful discrimination. C) redistribute wealth among poorer people. D) win lawsuits for damages.
Health Professions
Which of the following factors are associated with intrinsic asthma?
1. Emotional stress 2. Cockroach allergen 3. GERD 4. Dust mites a. 2, 4 b. 1, 3 c. 2, 3, 4 d. 1, 2, 3, 4
Health Professions