Ch 27- Basic Balance

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1

pH change

chemical buffer act to resist..

2

H+

chemical buffer bind with this when pH drops

3

Rises

chemical buffer release H+ when pH rises

4

Yttrium

Y element

5

HY = H*+* + Y*-

*hydrogen and yttrium

6

Left (binding of H+)

in hydrogen and yttrium lots of H+ drives reaction to ____.

7

Anions; right

lots of ____. Hy releases H+ and drives reaction to ____.

8

Sodium Bicarbonate NaHCO3 (bicarbonate reserve)

baking soda

9

HCO3 and NaHCO3

bicarbonate *buffer system* is a mixture of...

10

Bicarbonate buffer system

this is a major extra cellular fluid buffer

11

Bicarbonate

Bicarbonate reserve NaHCO3 with release ____ to bind H+

12

Bicarbonate acid H2CO3

remains intact in *neutral* or *acidic* conditions

13

H+

fixed acids or organic acids in bicarbonate buffer system adds this

14

NaOH

strong base

15

OH-

hydroxide

16

Intact; dissociates to tie up OH-

in the chemical buffer system; to form a strong base NaOH
NaHCO3 stays ______ and H2C03 ____.

17

Na+OH- + H2CO3 = NaHCO3 + H20

chemical buffer system add strong base chain

18

Normal

bicarb requires ___ repiration functions (limit)

19

Its own weak acid

bicarb cannot protect against ___ ____ ___ ___ (limit)

20

CO2 Levels

bicarb cannot buffer high or low ____

21

Bicarb ions

bicarb is limited to availability of ____ ____

22

CO2; HCO3

removal H+ by blowing off ____ lose a ____. (ion formula only)

23

Anions

negative ions