11/7 Class

The body uses vitamin K to make provitamin, which is needed for proper blood clotting.

• true

• false

Dorothy is a 65-year-old woman with pernicious anemia. Which treatment would her doctor recommend?

• iron supplements

• a vegan diet

• vitamin c supplements

• vitamin b-12 injections

vitamin c

• can cure nightblindness

• acts as an enzyme in certain reactions that release energy from glucose

• is needed to form strong collagen

• dissolves in the fatty portions of foods

scientists have discovered all essential vitamins

• true

• false

which of the following minerals may have a physiological role, but more research is necessary to determine whether it is essential?

• lithium

• zinc

• selenium

• magenesium