单选题
What is the normal pH range for arterial blood?
A. 7.00 to 7.49.
B. 7.35 to 7.45.
C. 7.50 to 7.60.
D. 7.55 to 7.65.
A
B
C
D
【正确答案】
B
【答案解析】
A pH less than 7.35 is indicative of acidosis; a pH above 7.45 indicates alkalosis.
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