The Endocrine System

Question 1

What is the function of the pituitary gland?

Answer 1

Touted as the ‘master gland’, it releases many glands associated with the regulation of the endocrine system.

Question 2

What is the function of the adrenal gland?

Answer 2

Facilitates the regulation of adrenaline.

Question 3

What is the function of the testes?

Answer 3

Production of testosterone (male reproductive hormone).

Question 4

What is the function of the ovaries?

Answer 4

Facilitate the release of oestrogen.

Question 5

List the process of the ‘fight-or-flight’ response in the endocrine system (acute stressors)

Answer 5

1) . The SNS triggers the adrenal medulla to release adrenaline.
2) . Adrenaline causes; increased heart rate, increased blood pressure, rapid breathing, releases blood sugar.
3) . The PNS will restore the body to normal functioning when the threat desists.

Question 6

List the process of the ‘fight-or-flight’ response in the endocrine system (chronic stressors).

Answer 6

1) . The hypothalamus releases CRH in response to the stressor.
2) . CRH causes the pituitary gland to produce and secrete adrenocorticotrophic hormone (ATCH).
3) . ACTH causes the adrenal cortex to produce cortisol.
4) . Cortisol elicits the main effects associated with the fight-or-flight response.