Answers: 2
Health, 22.06.2019 15:20, timozy95
[120 total points] (public health) in one of the largest human experiments ever conducted, in 1954 a randomized controlled trial was run to see whether a vaccine developed by a doctor named jonas salk was effective in preventing paralytic polio. a total of 401,974 children (ages 6–9), chosen to be representative of those who might be susceptible to the disease, were randomized to two groups: 200,745 children (the control group c) were injected with a harmless saline solution (a placebo) and the other 201,229 children (the treatment group t) were injected with salk’s vaccine. what was the point of giving saline solution to the children who didn’t get the vaccine? explain briefly.
Answers: 2
Health, 23.06.2019 04:00, kaitlynbrace4214
Which of the following could use reverse transcriptase to transcribe its genome? a) ssrnab) dsrnac) ssdnad) dsdna
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Health, 23.06.2019 07:00, nuggetslices
Sarah’s friend had been binge drinking and was intoxicated. sarah immediately called 9-1-1
Answers: 2
Health, 23.06.2019 07:00, fansofboys
What’s the first step in handling stress? list eight strategies for managing stress. what are some physical symptoms of stress?
Answers: 1
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