The process in which an artificial kidney machine removes waste from the blood is called
a. uremia
b. nephritis
c. hemodialysis
d. none of these

Some infants in poorer households are not fed this important food for all babies. what is it? a. baby food b. breast milk or infant formula c. water. d. all of the choices are correct

How could you find out if that advice is based in scientific evidence?

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