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repeated USMLE question 8

Discussion in 'USMLE' started by aida mak, Feb 24, 2015.

  1. aida mak

    aida mak Bronze Member

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    Oxygen hemoglobin dissociation curve is managed to understand how the blood carries oxygen to the tissues and how to release it. It measures the affinity of hemoglobin for oxygen. Shift of the curve to the left means high affinity for oxygen while shift to the right means low affinity of hemoglobin to oxygen.

    Of the factors listed below which one causes shift of oxygen hemoglobin dissociation curve to the right?

    A- Decreased CO2

    B- Decreased temperature

    C- Decreased pH

    D- Decreased 2-3 DPG
    http://medical-usmle.com/?p=788
     

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    aida mak, Feb 24, 2015
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  2. Eduardo A. Gonzalez Fdz.

    Eduardo A. Gonzalez Fdz. Well-Known Member

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    C
     

    Eduardo A. Gonzalez Fdz., Mar 25, 2015
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  3. Hasan

    Hasan Bronze Member

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    C) Decrease PH>>> Acidosis will shift the curve towards right
     

    Hasan, Mar 27, 2015
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