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17 Cards in this Set
- Front
- Back
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What are the 3 types of Co2 present in blood? percentages?
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Bicarb - 70%
Dissolved Co2 - 7% CO2-Hb - 23% |
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What enzyme facilitates CO2 combiniing with Water? what does this lead to?
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Carbonic anhydrase - leads eventually to Bicarb formation
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What does carbonic anhyrdase do?
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catalyzes the H2O +CO2 reaction
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Wha causes the CO2 Hb curve to shift to the right?
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Oxygen increased
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What effect on the CO2 Hb cuve does oxygen have?
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shift to the right
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Whta is RQ? what is a normal level?
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comparison of CO2 RMV to O2 RMV. usually 0.8
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Arterial pH is usually 7.4. what would venous pH be in comparison?
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Lower pH (because more CO2 and therefore more H+)
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What type of Hemoglobin is present in venous blood? is it an acid or a base?
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Deoxyhemoglobin, a base
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What type of hemoglobin is present in arterial blood? is it an acid or a base?
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Oxyhemoglobin, an acid
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write the equation that shows that venous hemoglobin is a base
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Hb- + H+ --> HHb
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write the equation showing arterial hemoglobin is an acid
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HHb-O2 --> H+ + Hb-O2
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What is RE? What is it a direct measure of? whta is in an indirect measure of?
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Respiratory exchange ratio
measures amount of air going in/out comparing Co2 and O2 levels measuring body's metabolism of O2 to Co2 |
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What is a normal RE for:
Carb diet Fat diet Protein diet mixed diet |
1
.7 .8 .8-.9 |
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The Fick equation gives CO2/min. It is equal to BF x what?
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the AV Co2 difference (40ml CO2/L)
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a - 52
b - 48 c - 40 d - 45 |
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what does a and d represent?
C and b? |
veins
arteries |
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what is the x axis?
y axis? |
PCo2 = x axis
[CO2] = y axis |
