3. Which choice below correctly identifies the weight of a fetus at each trimester of pregnancy? A. first trimester: 1 oz; second trimester: 1 lb; third trimester: 6.5-10 lbs
B. first trimester: 1 oz; second trimester: 3 lbs; third trimester: 6.5-10 lbs
C. first trimester: 1 g; second trimester: 1 oz; third trimester: 6.5-10 lbs
D. first trimester: 1 lb; second trimester: 2 lbs; third trimester: 6.5-10 lbs

As a health care professional, why is it important to address both physical and social needs? in what ways may these impact the patient’s overall health? you can consider any of your own experiences when responding

[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.

4. decision trees are organized through a series of choose one answer. a. tiers b. the cut/dry method invented by the university of madagascar c. disorganized webs