___ is a pervasive developmental disorder marked by mental retardation.
A)Autism spectrum disorder
B)Rett syndrome
C)Childhood disintegrative disorder
D)Asperger's syndrome
E)Both B and C are truE.

Name: ___ is a pervasive developmental disorder marked by mental retardation. A)Autism spectrum disorder B)Rett syndrome C)Childhood disintegrative disorder D)Asperger's syndrome E)Both B and C are truE.
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Question

Quizplus · Accepted Answer

Both Rett syndrome and childhood disintegrative disorder are characterized by mental retardation.

___ Is a Pervasive Developmental Disorder Marked by Mental Retardation