Pathophysiology Flashcards
1
Q
What is homeostasis?
A
Maintenance of stable, constant conditions in the body despite changes in the environment.
2
Q
What is the normal pH of the body?
A
7.35 - 7.45
3
Q
What does aldosterone do?
A
Retrieves sodium (Na) from the kidneys, hence water follows.
4
Q
What is the formula for cardiac output?
A
SV x HR = CO
5
Q
What 3 basic systems maintain blood pressure?
A
Kidneys
Cardiac control centre
Hormones
6
Q
What do negative feedback loops do?
A
Bring things back to normal.
7
Q
What do positive feedback loops do?
A
Interrupt the normal, reinforcing damage.
8
Q
How do I remember negative vs. positive feedback loops?
A
Negative NEGATES
Positive PERPETUATES
