Dmitri, age 5, suffers from extreme emotional deprivation. He is very short in stature, shows decreased secretion of growth hormone (GH) and melatonin, has an immature skeletal age, and displays serious adjustment problems. These are typical characteristics of _________.A) a vitamin C deficiency.
B) psychosocial dwarfism.
C) inadequate thyroxine.
D) an iron deficiency.