What are lactate levels

The lactate blood test is primarily ordered to help determine if someone has lactic acidosis, a level of lactate that is high enough to disrupt a person's acid-base (pH) balance. Lactic acidosis is most commonly caused by an inadequate amount of oxygen in cells and tissues.

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answer; i believe that the correct answer is (b) is a factor associated with physical activity and heart disease;

answer; /// i believe the correct answer is (analogue);