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21 Cards in this Set
- Front
- Back
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in association & dissociation of oxygen & hemoglobin __% of oxygen in blood is associated with ____
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98% - hemoglobin
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the affinity of hemoglobin to oxygen is dependent upon the …
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partial pressure of O₂
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2 locations for affinity of hemoglobin to oxygen
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in the body tissues - in the lungs
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regarding affinity of hemoglobin to oxygen in body tissues, oxygen partial pressure is ____ (↑↓)
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low
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regarding affinity of hemoglobin to oxygen in body tissues, hemoglobin ____ (gains/loses) affinity for oxygen
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loses
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regarding affinity of hemoglobin to oxygen in body tissues, hemoglobin ____ (attaches/releases) oxygen
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releases
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regarding affinity of hemoglobin to oxygen in lungs, oxygen partial pressure is ____ (↑↓)
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high
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regarding affinity of hemoglobin to oxygen in lungs, hemoglobin has a ____ (high/low) affinity for oxygen
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high
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regarding affinity of hemoglobin to oxygen in lungs, hemoglobin ____ (attaches/releases) oxygen
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attaches
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4 factors that affect the affinity of hemoglobin to oxygen
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pH - temperature - DPG (2,3-diphosphoglyceric acid) - fetal hemoglobin
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pH affinity __crease with the decrease in pH
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decrease
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high CO₂ can __crease pH affinity
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decrease
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more ____ released to ____ ____ when CO₂ levels are high
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oxygen - body tissues
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increased temperature causes a __creased affinity
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decreased
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increase in cellular metabolism causes an increase in ____ & ____ ____ of CO₂ & __crease in pH
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temperature - partial pressure - decrease
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decreased affinity leads to more ____ released to body
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O₂
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DPG (2,3-diphosphoglyceric acid) is released by ____ when O₂ supply to body tissue is ____ (high/low
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low
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BPG (DPG) reversibly binds to ____ & __creasing its affinity to ____
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hemoglobin - decreasing - O₂
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when DPG is released oxygen is ____ to body tissue
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released
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fetal hemoglobin has a much ____ (higher/lower) affinity for O₂ than ____ hemoglobin
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higher - maternal
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maternal hemoglobin releases O₂ to ____ hemoglobin
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fetal
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