Question

multiple choice 1 point
what is the first reaction in the alarm response?
the brain receives a danger signal.
the adrenal gland is stimulated.
the brain releases a chemical that acts on the pituitary gland.
the bodys heart rate goes up.

Explanation:

In the alarm response (fight - or - flight response), the first step is the brain receiving a danger signal which then triggers a series of physiological reactions. The adrenal gland stimulation, brain - pituitary chemical release, and increased heart rate are subsequent events.

Answer:

The brain receives a danger signal.