Acid Base 1

Question 1

PH of venous blood

Answer 1

7.35

Question 2

PH of arterial blood

Answer 2

7.45

Question 3

Deviations in blood pH from a very narrow range of normal are called

Answer 3

PH imbalances

Question 4

3 mechanisms the body uses to regulate its pH balances

Answer 4

1) buffers
2) respiratory mechanisms
3) urinary mechanisms

Question 5

What enzyme converts co2 and h2o into carbonic acid

Answer 5

Carbonic anhydrase

Question 6

What is carbonic anhydrase

Answer 6

H2CO3

Question 7

Chemical substances that prevent a sharp change in the pH of a fluid when an acid or a base is added to it.

Answer 7

Buffers

Question 8

Buffers consist of two kinds of substances and are therefore often called

Answer 8

Buffer pairs

Question 9

One of the main buffer pairs

Answer 9

Baking soda and carbonic acid

Question 10

What is a fixed acid

Answer 10

Acids that do not break down to produce gas

Question 11

Arterial blood contains _______ X more pNaHCO3 than H2CO3

Answer 11

20

Question 12

Most abundant acid in body fluids

Answer 12

Carbonic acid

Question 13

Most acidic substance in the body

Answer 13

Gastric juice-1.6