What Behavior Would an Infant Display That Would Lead a Competent

question 177

Multiple Choice

What behavior would an infant display that would lead a competent doctor to accurately suspect the child is suffering from autistic disorder?

• A)Failure to respond to human voices
• B)Excessive levels of joint attention
• C)Showing a clear preference for human over nonhuman stimuli
• D)An obsession with playing peek-a-boo and other social games

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Definitions:

Sodium Iodide

A salt with the formula NaI, used in organic synthesis, and as a dietary supplement.

TsCl

P-toluenesulfonyl chloride, an organic compound used as a reagent in organic synthesis to introduce tosyl groups.

(R)-Pentan-2-Ol

An optically active form of pentanol where the hydroxyl group is attached to the second carbon atom in the pentane chain.

NaI

Sodium iodide, a salt commonly used in organic chemistry as a source of iodide ions in substitution reactions.