62 yo woman comes to the physician for a routine health maintenance exam. she feels well. menarche was at the age of 13y, and menopause occurred 19y ago. she has no family hx of breast dz. examination shows a 2x2cm mass in the upper outer quadrant of the l breast. mammography of the l breast shows calcifications in the upper outer quadrant. a biopsy of the breast mass shows invasive estrogen receptor-positive carcinoma with positive margins. which of the following is the most appropriate next step in management? a. observation only
b. cytotoxin and doxorubicin therapy
c. tamoxifen therapy
d. radiation therapy
e. reexcision of the biopsy site

[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.

How do healthier citizens save the government money?

Which of these is the best example of sexual objectification? a) a female initiates a conversation with another female. b) a male proposes marriage to a female. c) a female makes repated coments to a male about his appearence. d) a female proposes marriage to a male.