Question

question 19
2 pts
the primary hormone responsible for the incr ed heart rate, blood pressure and breathing rate is:
insulin
epinephrine
seratonin
dopamine
question 20
2 pts
which of the following is often called the \stress gland\ because it secretes the stress hormones?
hypothalamus
pituitary
adrenal
amygdala

Explanation:

For Question 19: Insulin regulates blood glucose, serotonin and dopamine regulate mood and reward, while epinephrine (adrenaline) triggers the fight-or-flight response, increasing heart rate, blood pressure, and breathing rate.
For Question 20: The hypothalamus signals stress responses, the pituitary releases regulatory hormones, the amygdala processes fear; the adrenal glands secrete stress hormones like epinephrine and cortisol, earning them the "stress gland" label.

Answer:

Question 19: B. Epinephrine
Question 20: C. Adrenal