hormonal communication

Question 1

What are steroid hormones?

Answer 1

lipid soluble hormones that can pass through phospholipid bilayer and bind to receptors within the cell

Question 2

What are non steroid hormones?

Answer 2

hydrophilic hormones so cannot pass through the cell surface membrane so bind to receptors on the membrane triggering second messengers.

Question 3

Name some differences between hormonal and neuronal communication?

Answer 3

Hormonal - slower, longer lasting, wide-spreading effect, travel in blood stream, slower respsonse

Question 4

Name the two parts of the adrenal glands?

Answer 4

adrenal cortex (essential) and adrenal medulla (non essential)

Question 5

Which hormones does the adrenal cortex produce?

Answer 5

steroid hormones essential for life (glucocorticoids, mineralocorticoids and androgens)

Question 6

What is the role of glucocorticoids (2 hormones)?

Answer 6

cortisol - helps regulate metabolism, blood pressure
corticosterone - regulates immune response, suppresses inflammatory reactions

Question 7

Which two hormones does the adrenal medulla produce?

Answer 7

adrenaline and noradrenaline