Aclient has been performing cardiorespiratory exercise for four weeks. which of the following physiologic adaptations should the personal trainer expect to observe in the client?
a) decreased cardiac output
b) improved ability of muscles to use oxygen
c) increased resting heart rate
d) decreased stroke volume

What is one way in which an active listener can confirm understanding of a message?

Which of the following identifies a main culprit for america’s increasing weight gain

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.