Retinol is formed from which of the following vitamins?

Administration of a nonselective beta-antagonist will most likely result in:

A) tachycardia and diaphoresis. B) increased cardiac output. C) bronchoconstriction and inhibited glycogenolysis. D) bradycardia and some bronchodilation.

Each of the following is a potential effect of a low dose of radiation except one. Which one is the exception?

A) No cell response B) Cell repairs itself and functions at preexposure levels C) Cell repairs itself abnormally D) Cell becomes radioactive