Children with This Condition Unusually Demonstrate Facial Abnormalities, Central Nervous

question 45

Multiple Choice

Children with this condition unusually demonstrate facial abnormalities, central nervous system dysfunction, and altered brain development. They also experience difficulty with attention, learning, memory, regulation of emotions, and executive functioning. Their mothers' drinking during pregnancy increases the likelihood of this form of intellectual disability, which is estimated to occur in less than 1% of live births in the United States. What is the condition?

• A) Down syndrome
• B) phenylketonuria (PKU)
• C) environmentally caused intellectual disability
• D) fetal alcohol syndrome

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Definitions:

Interval

A range of numbers between two set points.

Real Number Line

A one-dimensional line on which every point corresponds to a real number and every real number to a point.

Real Number Line

A line that graphically represents all possible real numbers, where each point on the line corresponds to a unique real number.

Inequality

An inequality is a mathematical statement indicating that two expressions are not equal, represented by symbols such as > (greater than), < (less than), ≥ (greater than or equal to), or ≤ (less than or equal to).