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. Measurements of oxygen binding by whole human blood, at 37 °C, at pH 7.4, and in the presence of 40 mm Hg of CO, and normal physiological levels of BPG (5 mmol/L of cells), give the following: Po, (mm Hg) % Saturation (=100 × Yo,) 10.6 10 19.5 30 27.4 50 37.5 70 50.4 85 77.3 96 92.3 98 (a) From these data, construct a binding curve, and estimate the per- cent oxygen saturation of blood at (1) 100 mm Hg, the approximate partial pressure of O, in the lungs, and (2) 30 mm Hg, the approxi- mate partial pressure of O, in venous blood. (b) Under these conditions, what percentage of the oxygen bound in the lungs is delivered to the tissues?

. Measurements of oxygen binding by whole human blood, at 37 °C, at pH 7.4, and in the presence of 40 mm Hg of CO, and normal physiological levels of BPG (5 mmol/L of cells), give the following: Po, (mm Hg) % Saturation (=100 × Yo,) 10.6 10 19.5 30 27.4 50 37.5 70 50.4 85 77.3 96 92.3 98 (a) From these data, construct a binding curve, and estimate the per- cent oxygen saturation of blood at (1) 100 mm Hg, the approximate partial pressure of O, in the lungs, and (2) 30 mm Hg, the approxi- mate partial pressure of O, in venous blood. (b) Under these conditions, what percentage of the oxygen bound in the lungs is delivered to the tissues?

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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. Measurements of oxygen binding by whole human blood, at 37 °C, at pH 7.4, and in the presence of 40 mm Hg of CO, and normal physiological levels of BPG (5 mmol/L of cells), give the following: Po, (mm Hg) % Saturation (=100 × Yo,) 10.6 10 19.5 30 27.4 50 37.5 70 50.4 85 77.3 96 92.3 98 (a) From these data, construct a binding curve, and estimate the per- cent oxygen saturation of blood at (1) 100 mm Hg, the approximate partial pressure of O, in the lungs, and (2) 30 mm Hg, the approxi- mate partial pressure of O, in venous blood. (b) Under these conditions, what percentage of the oxygen bound in the lungs is delivered to the tissues?
Transcribed Image Text:. Measurements of oxygen binding by whole human blood, at 37 °C, at pH 7.4, and in the presence of 40 mm Hg of CO, and normal physiological levels of BPG (5 mmol/L of cells), give the following: Po, (mm Hg) % Saturation (=100 × Yo,) 10.6 10 19.5 30 27.4 50 37.5 70 50.4 85 77.3 96 92.3 98 (a) From these data, construct a binding curve, and estimate the per- cent oxygen saturation of blood at (1) 100 mm Hg, the approximate partial pressure of O, in the lungs, and (2) 30 mm Hg, the approxi- mate partial pressure of O, in venous blood. (b) Under these conditions, what percentage of the oxygen bound in the lungs is delivered to the tissues?
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