Health, 19.07.2019 09:30 nikejose11
Which vitamin affects the formation and maintenance of skin, mucous membranes, bones, teeth, and vision? vitamin d vitamin e vitamin a vitamin c
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Health, 21.06.2019 20:30
The three ways to evaluate a risk factor are: decide if you have control over the risk factor compare the benefit vs. the risk of a choice
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Health, 21.06.2019 22:30
Which of the following is a true statement? a. the male sex hormone is called estrogen. b. the female sex hormone is called testosterone. c. both sexes manufacture some amount of the sex hormone associated with the opposite sex. d. only males secrete testosterone and only females secrete estrogen
Answers: 2
Health, 22.06.2019 02:00
Astudy shows that an influenza vaccine is 71.4% effective in preventing a particular type of influenza. if 15,422 people receive the vaccine, how many would not be protected and would be likely to get infulenza?
Answers: 1
Health, 22.06.2019 15:20
[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 6β9), 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 salkβs vaccine.what was the point of giving saline solution to the children who didnβt get the vaccine? explain briefly.
Answers: 2
Which vitamin affects the formation and maintenance of skin, mucous membranes, bones, teeth, and vis...
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