The Fear/anxiety Circuit of the Brain Includes Which of the Following

question 2

Multiple Choice

The fear/anxiety circuit of the brain includes which of the following brain structures?

• A) Reticular activating system
• B) Amygdala and hippocampus
• C) Parietal lobe and cerebellum
• D) Corpus callosum

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Definitions:

Unregulated Cell Division

Abnormal cell growth that can lead to tumors and cancer, characterized by the uncontrolled proliferation of cells.

First Messenger

A signaling molecule that binds to a receptor on the surface of a cell, triggering a sequence of events within the cell.

Second Messenger

is a molecule inside cells that acts to transmit signals from a receptor to a target within the cell, such as cAMP or calcium ions.

Growth Factor

A naturally occurring substance capable of stimulating cellular growth, proliferation, healing, and cellular differentiation.