Otto Shape, an overweight medical student (see Chapter 1), discovered that he could not exercise enough during his summer clerkship rotations to lose 2 to 3 lb per week. He decided to lose weight by...

Otto Shape, an overweight medical student (see Chapter 1), discovered that he could not exercise enough during his summer clerkship rotations to lose 2 to 3 lb per week. He decided to lose weight by eating only 300 kcal/day of a dietary supplement that provided half the calories as carbohydrate and half as protein. In addition, he consumed a multivitamin supplement. During the first 3 days on this diet,

(A) his protein intake met the RDA for protein.

(B) his carbohydrate intake met the fuel needs of his brain.

(C) both his adipose mass and his muscle mass decreased.

(D) he remained in nitrogen balance.

(E) he developed severe hypoglycemia.