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Calculate the fractional saturation for hemoglobin when the partial pressure of oxygen is 58 mm Hg. Assume hemoglobin is 50% saturated with oxygen at a partial pressure of 28 mm Hg and that the Hill coefficient is 3. Express your answer to two significant figures.

Respuesta :

Manetho

Answer:

0.8988

Explanation:

To calculate the fractional saturation of hemoglobin , the formula used is

YO_2=[tex]\frac{(pO_2)^n}{(p50)^n+(pO_2)^n}[/tex]

now putting the values

YO_2= [tex]\frac{58^3}{28^3+58^3}[/tex]

= [tex]\frac{195112}{21952+195112}[/tex]

=0.8988

Therefore, fractional saturation of hemoglobin= 0.8988

where

YO_2= fractional saturation of hemoglobin

pO_2= partial pressure of oxygen

p50= is the pO_2 at which hemoglobin is 50% saturated

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