Which Cause of Mental Retardation Is 100 Percent Preventable

question 48

Multiple Choice

Which cause of mental retardation is 100 percent preventable?

• A)phenylketonuria (PKU)
• B)Down syndrome
• C)fetal alcohol syndrome (FAS)
• D)fragile X syndrome

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Definitions:

Narcolepsy

A neurological disorder that affects the control of sleep and wakefulness, characterized by excessive daytime sleepiness and sudden sleep attacks.

Sleep Apnea

A sleep disorder characterized by pauses in breathing or periods of shallow breathing during sleep, which can lead to health problems.

Stage 4 Sleep

A deep stage of sleep characterized by delta brain waves; it is a period of restorative sleep.

Stage 2

A phase in various progression models that typically follows an initial or foundational stage, indicating further development or complexity.