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Question : The buffer action of blood is due to the presence of:

Option 1: HCl and NaCl

Option 2: Cland CO32-

Option 3: Cland HCO-3

Option 4: HCO3- and H2CO3


Team Careers360 17th Jan, 2024
Answer (1)
Team Careers360 24th Jan, 2024

Correct Answer: HCO 3 - and H 2 CO 3


Solution : The correct option is HCO 3 - and H 2 CO 3 .

The carbonic acid (H 2 CO 3 ), and bicarbonate anion (HCO 3 - ) buffer system in the blood that maintains a stable pH is crucial for physiological processes. Deviations beyond pH 7.8, or below 6.8 can be life-threatening, highlighting the vital role of this buffer in preventing extreme acidity, or alkalinity that could lead to death.

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