The maximum capacity of 100 ml blood to absorb oxygen is:
Correct answer: B. 20 ml
- A. 10 ml
- B. 20 ml
- C. 30 ml
- D. 45 ml
Explanation
When oxygen tension is 115 mm mercury, haemoglobin is 98% saturated and therefore contains 19.6 (≈ 20) ml of oxygen per 100 ml of blood.
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