Pat Is Two and a Half Years Old

Multiple Choice

Pat is two and a half years old. Although he has been developing normally, he is beginning to lose control of his bladder and bowels. Upon examination, his pediatrician finds no medical
Causes. By his third birthday, Pat's understanding of language begins to deteriorate and his
Social skills are becoming impaired. Pat has features of ______.

A) childhood disintegrative disorder
B) Rett's disorder
C) autism
D) Asperger's disorder