When does a state of alkalemia exist?
I.The HCO₃^-/CO₂ ratio exceeds 20:1
II.The blood pH exceeds 7.45.
III.The blood PCO₂ exceeds 54 mm Hg.

Question

When does a state of alkalemia exist? I.The HCO₃^-/CO₂ ratio exceeds 20:1 II.The blood pH exceeds 7.45. III.The blood PCO₂ exceeds 54 mm Hg.

Quizplus · Accepted Answer

Alkalemia exists when the blood pH exceeds 7.45, indicating a higher than normal alkalinity. The HCO₃F1F1F1S1^?F1F1F10/CO₂ ratio exceeding 20:1 can also indicate a state of metabolic alkalosis, which contributes to alkalemia. The blood PCO2 exceeding 54 mm Hg typically indicates respiratory acidosis, not alkalemia, and thus is not a correct indicator of alkalemia.

When Does a State of Alkalemia Exist