Sara responds to abraham as he is speaking by nodding her head and saying "yes" or "uh-huh" periodically. george responds to jose as he is speaking by predicting what he is going to say. who is the more effective listener?

a. sarah
b. both
c. neither
d. george

stuck between a. and c.

The purity of ecstasy is always in question, why? (short answer)

Which of these is most likely to prevent pregnancy? a. tracking of female body temperature to identify ovulation times b. proper condom use c. male withdrawal before ejaculation d. proper spermicide use

Which of the following are considered general purposes of performing pulmonary function tests (pfts)? 1. the functional status of the lungs 2. the diffusion characteristics of the alveolar-capillary membrane 3. how much and how fast gas can be moved into and out of the lungs 4. the specific diagnosis of pulmonary disease