While the amount of protein required in the diet varies depending on age (15,16)

15.   While the amount of protein required in the diet varies depending on age, size, and needs,
   the daily recommendation is approximately:

   a.   0.4 g/kg body weight.
   b.   0.8 g/kg body weight.
   c.   10 g/kg body weight.
   d.   13 g/kg body weight.

16.   It is important to ensure that your diet is adequately rich in vitamins because:
   
   a.    vitamins provide protection against the common cold.
   b.   very few foods contain vitamins.
   c.   most vitamins are coenzymes needed to help the body utilize essential nutrients.
   d.   all vitamins are water-soluble and pass out of the body too quickly to ensure
               utilization.