Which of the following is not true of erythropoietin? Select one:
a. It is secreted by the kidneys.

b. It stimulates the formation of red blood cells.

c. It acts on the blood-forming tissue of the spleen.

Which of these is a sexual stereotype? a) on average, males are taller than females. b) people over the age of 60 are not interested in sex. c) male hormone levels differ from those of females. d) there are more male representatives than female representatives in congress.

If something is painful during exercise, what should you do? a. back off the exercise. b. modify the exercise. c. consult a physician if the pain persists. d. all of the above

During the sixteenth, seventeenth, and eighteenth centuries, the mentally ill were housed in