a: the inability to swim
Health, 12.10.2019 07:30 anaroles04
The major cause of drowning in boating accidents is:
a: the inability to swim
b: not wearing a personal flotation device
c: drinking
d: panic
Answers: 3
Health, 23.06.2019 04:31, bella51032
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.
Answers: 1
Health, 23.06.2019 06:30, nimclean
Check all that occur during ventricular systole. a. the av valves open to allow blood to enter the ventricles from the atria. b. the av valves open to allow blood to enter the ventricles from the atria. c. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. d. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. e. the semilunar valves open to allow blood to flow into the large arteries. f. the semilunar valves open to allow blood to flow into the large arteries. g. the av valves close to prevent backflow of blood into the atria.
Answers: 2
Health, 23.06.2019 09:30, lyndamahe0
The age of receding pandemics is one of three progessive ages of epidemiologic transition. select one: true false
Answers: 2
The major cause of drowning in boating accidents is:
a: the inability to swim
a: the inability to swim
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