Acid - Base Balance A&P

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created 3 years ago by Vanessamae98
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updated 2 years ago by Vanessamae98
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1

What are 3 mechanisms the body uses to regulate pH?

Buffers, respiratory regulation, metabolic regulation

2

Which is the quickest

Buffers fast soak up excess H or not enough to give off

3

Which is the slowest

metabolic system

4

What are three main buffers

Proteins, phosphates, carbonic acid (bicarb)

5

How does the respiratory system help regulate pH

Getting rid of co2 adjusts pH, second fastest

6

Relationship between co2 and pH

Getting rid of co2 adjusts ph. If co2 goes up, hydrogen up and ph goes down, acidic. Co2 goes down, less H, ph goes up making alkaline.

7

Metabolic acidosis

Lose H, save bicarb

8

Metabolic alkalosis

lose bicarb, save H

9

How does the metabolic system help regulate pH

Kidneys can retain HCO3 in the body or dump into urine. Or retain H in the body or dump into urine. Alkaline gets rid of bicarb, save H. Acidic saves bicarb and gets rid of H.

10

Hco3- (bicarb) & pH

If higher bicarb makes alkaline, if lower bicarb makes acidic.

11

Respiratory acidosis

loose co2 by increasing respirations

12

Respiratory alkalosis

save co2 by decreasing respirations

13

Causes of respiratory acidosis

hypoventalation

14

Causes of respiratory alkalosis

hyperventilation

15

Causes of metabolic acidosis

^ in non-carbonic acids or loss of bicarb

16

Causes of metabolic alkalosis

excessive loss of metabolic acids, excessive bicarb intake