Which of these people is most likely to be influenced by peer pressure to engage in unsafe sexual activities?
a.
keisha, who told her boyfriend she would not go to unsupervised parties with him
b.
reggie, who listens with admiration as the athletes at school talk about their sex lives
c.
terrence, who had sex once before and plans to abstain until he is more responsible

Which stage of stress includes the “fight-or-flight” response? automatic exhaustion alarm resistance

Which finger should not be used when measuring heart rate?

Which of the following best reflects what we know about how the flu virus moves between species? a) the flu virus in a pig is mutated and replicated in alternate arrangements so that humans who eat the pig products can be infected. b) a flu virus from a human epidemic or pandemic infects birds; the birds replicate the virus differently and then pass it back to humans. c) an influenza virus gains new sequences of dna from another virus, such as a herpesvirus; this enables it to be transmitted to a human host. d) an animal such as a pig is infected with more than one virus, genetic recombination occurs, the new virus mutates, the virus is passed to a new species such as a bird, and the virus mutates again and can now be transmitted to humans.