Which Group is Correct

Question

Which group is correct?
A) Blood pH 7.50, alkaline, turns litmus paper pink
B) Blood pH 7.2, acidosis, turns litmus paper pink
C) Blood pH 7.35, normal blood pH, turns litmus paper blue
D) More than one of the above are true.

Accepted Answer

Blood pH of 7.35 is considered normal and turns litmus paper blue as it is more basic. A pH of 7.50 is too alkaline for blood and B is incorrect as a pH of 7.2 is too acidic for blood, which should have a slightly basic pH.