At the Present,the Majority of the U

question 73

Multiple Choice

At the present,the majority of the U.S.population can trace its ancestry back to

• A) Oceana.
• B) Africa.
• C) Europe.
• D) Latin America.
• E) Asia.

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Definitions:

Prefrontal Cortex

A region of the frontal lobes of the brain associated with decision making, social behavior, and personality.

Substantia Nigra

A region of the brain involved in movement control and reward; it plays a significant role in diseases such as Parkinson's.

Superior Colliculus

A region of the midbrain that plays an important role in visual and auditory reflexes as well as in directing the body's responses to stimuli.

Schizophrenogenic Mother

A now-discredited theory suggesting that a cold and rejecting mother could cause schizophrenia in her child.