What's is the word? A_ _ _ _ A

The goal of the flu vaccine is to prevent you from becoming infected with influenza. select the best answer from the choices provided. t f

If you are having a hard time lifting something, you should arch your back. a. true b. false

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