Answer to Question 1
Ans:
C
Feedback:
Inadequate levels of hypothalamic GHRH will result in adequate production but inadequate release of GH by the pituitary. Genetic short stature is less likely given the disparity between his height and his twin's, and a shortage of IGF receptors is not a noted pathology. While poorly controlled diabetes can contribute to short stature, excess insulin production is not a likely factor.
Answer to Question 2
Ans:
A, B, C, D, E
Feedback:
All of the foods listed are complete proteins from both animals and vegetable sources.