Fractional saturation, Y, is represented by Y = PO₂" 2 n n pO₂+ P50' The term po₂ is the partial pressure of oxygen. Assume the pO₂ in her lungs is the same as in the air. The P50 is the partial pressure of oxygen when hemoglobin is half-saturated. The P50 of hemoglobin is 26 torr. First, calculate both Ylungs and Ytissues. Then, find the difference between these values. Finally, multiply your answer by a factor of 100% to calculate the percentage of the oxygen-carrying capacity that she utilizes.
Fractional saturation, Y, is represented by Y = PO₂" 2 n n pO₂+ P50' The term po₂ is the partial pressure of oxygen. Assume the pO₂ in her lungs is the same as in the air. The P50 is the partial pressure of oxygen when hemoglobin is half-saturated. The P50 of hemoglobin is 26 torr. First, calculate both Ylungs and Ytissues. Then, find the difference between these values. Finally, multiply your answer by a factor of 100% to calculate the percentage of the oxygen-carrying capacity that she utilizes.
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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Percentage is incorrect
To determine the percentage of oxygen‑carrying capacity that she utilizes, calculate the difference between the fractional saturation of the lungs and the fractional saturation of the tissues.

Transcribed Image Text:Fractional saturation, Y, is
represented
by
Y
n
po₂"
n
po₂" + P50"
2
The term po₂ is the partial pressure of
oxygen. Assume the pO₂ in her lungs
is the same as in the air. The P50 is the
partial pressure of oxygen when
hemoglobin is half-saturated. The P50
of hemoglobin is 26 torr.
First, calculate both Ylungs and Ytissues.
Then, find the difference between these
values. Finally, multiply your answer
by a factor of 100% to calculate the
percentage of the oxygen-carrying
capacity that she utilizes.
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