55 year old Claudia notices increased fatigue and nausea ove…

55 year old Claudia notices increased fatigue and nausea over the past month.  She has lost 20 pounds in 3 months and feels so tired she has had to give up her weekly bowling and golf leagues.  Her husband admires her darker complexion and thinks that she looks great and does not understand why she is concerned about her symptoms.  The physician as administered ACTH but there is no increase in her corticosteroid blood levels.  What do you suspect is the name of her condition?

State which method to control for confounding is being used…

State which method to control for confounding is being used in the following scenarios (6 pts total): A study of exercise and myocardial infarction that is limited to men A case- control study of exercise and myocardial infarction that includes men and women. Controls are selected so that the proportions of male and female subjects groups are identical. A study of exercise and myocardial infarction that includes men and women.  The study determines the relative risk separately for men and for women and compares those to the crude relative risk.