Question 16 - Science Practice Test for the TEAS

Carbonic acid and bicarbonate in the blood act to counteract drastic changes in blood pH. What is the term for this type of chemical, and what is the correct pH range of the blood?

hydrolytic; 7.25-7.30
buffer; 7.35-7.45
cation; 7.5-7.6
anion; 8.15-8.25

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