Ian Has Been Experiencing Extreme Anxiety for the Last Month

question 4

Multiple Choice

Ian has been experiencing extreme anxiety for the last month. He might well have an excess of which neurotransmitter?

• A)acetylcholine
• B)GABA
• C)norepinephrine
• D)glutamate

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Definitions:

Oligocene

A geologic epoch of the Paleogene Period, occurring about 33.9 to 23 million years ago, noted for major changes in mammalian evolution.

Eocene

The Eocene is a geological epoch that lasted from about 56 to 33.9 million years ago, during which warm climates prevailed and early mammals diversified following the extinction of the dinosaurs.

Continental Drift

The theory that the Earth's continents have moved over geological time relative to each other, thus appearing to have "drifted" across the ocean bed.

Earth's Surface

The outermost layer of the Earth comprised of land and water where various life forms exist.