The correct frequency of exercise in order for it to be effective is a. a minimum of three to five times per week. b. a maximum of eight times per week. c. at least seven times per week. d. at least twice a day.

[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.

In the next 10 years how do you think hipaa guidelines will affect the roles and responsibilities of a medical transcriptionist?

The dimesions of health operate independently; they don’t affect one another. t or f