Acid Base Balance

Question 0

Ph7.45

Answer 0

Acidosis

Alkalosis

Question 1

What determines the acid base status

Answer 1

[H+]

Question 2

Metabolic activity adds

Answer 2

H+ to the ECF

Question 3

Sources include

Answer 3

1. Carbonic acid formation
2. Inorganic acids produced during the breakdown of nutrients
3. Organic acids resulting from intermediary metabolism
4. Fluctuations in the H+ of the ECF alter nerve, enzyme and K activity

Question 4

Defense against [H+] change

Answer 4

1. Buffer system- first and fast
2. Respiratory system- regulates co2
3. Renal excretion of H+ or hco3- slowest but moat powerful