topic 4-5 recap Flashcards
1
Q
In a negative feedback loop, which of the following best describes the role of the control centre?
A
To compare receptor information against a reference point
2
Q
Contractions in childbirth
A
example of a positive feedback loop
3
Q
Blood coagulation
A
example of a positive feedback loop
4
Q
The nerve action potential
A
example of a positive feedback loop
5
Q
What best describes a hormone?
A
A substance produced in an organism that has stimulates specific target cells into action
6
Q
Which of the following best describes the action of hormones?
A
Hormone responses can be slow, (as from growth hormones), or fast, (as in the case of adrenaline). Hormones can target a range of tissues (as is the case in adrenaline).
