Health, 10.01.2020 06:31 ericperkins10ox0b27
Which part of the endocrine system regulates the levels of phosphorous and calcium in the blood? a. pituitary gland b. thyroid gland c. parathyroid gland d. pancreas
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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 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.
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Health, 22.06.2019 17:30
Christopher came down with chicken pox after spending time in his child’s day care. the chicken pox represents what link in the chain of transmission in this scenario?
Answers: 1
Health, 22.06.2019 18:00
Antibiotics are given when an std is caused by a virus. true or false
Answers: 2
Which part of the endocrine system regulates the levels of phosphorous and calcium in the blood? a....
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