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Date November 2016 Marks available 1 Reference code 16N.1.SL.tz0.8
Level Standard Level Paper Paper 1 Time zone time zone 0
Command term What Question number 8 Adapted from N/A

Question

What percentage of oxygen in the blood is transported by hemoglobin as oxyhemoglobin within red blood cells?

A. 68 %

B. 95 %

C. 98.5 %

D. 99.5 %

Markscheme

C

Examiners report

The 6th hardest question with B and D as the main distractors.

Syllabus sections

Topic 2: Exercise physiology » 2.1. Structure and function of the ventilatory system » 2.1.6. Outline the role of hemoglobin in oxygen transportation.
Topic 2: Exercise physiology » 2.1. Structure and function of the ventilatory system
Topic 2: Exercise physiology

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