6.1 Anatomy of the Endocrine System Part 3

Question 1

How are most hormones controlled?

Answer 1

negative feedback

Question 2

What is homeostasis?

Answer 2

maintaining the body at its set-point

Question 3

How does the body maintain homeostasis?

Answer 3

negative feedback of hormones

Question 4

What is an example of a hormone controlled by negative feedback?

Answer 4

ADH = antidiuretic hormone

Question 5

What is the action of ADH?

Answer 5

dilute the blood

Question 6

What occurs once the hypothalamus senses that the blood is dilute enough?

Answer 6

it shutoffs the release of ADH

Question 7

What is positive feedback?

Answer 7

enhances of increases the amount of a hormone that is regulated

Question 8

What is an example of a hormone that undergoes positive feedback?

Answer 8

oxytocin

Question 9

What is oxytocin involved in?

Answer 9

child birth; causes the uterus to contract

Question 10

How does positive feedback work with oxytocin?

Answer 10

uterine contraction causes the release of more oxytocin which causes even more uterine contraction