Saturday, October 31, 2009

Last question on BIO HW. Only answer if knowledgable.?

In metabolically active tissue you would expect?
A.the precent saturation of hemoglobin will be less than it is near the lungs.
B.the partial pressure of O2 will be hight than in the alveoli
C.the ph will be slightly higher than it is inthe fluid close to the lungs.
D.the partial pressure of CO2 will be at its lowest point.
E.All are correct.
I know it should curve to the right, Pco2 would rise so C would be wrong. This is my last question for hw need help!
Answer:
The correct answer is A.In metabolically active tissue you would expect oxygen to be vigorously extracted from hemoglobin and its saturation to be lower than near the lungs where it is "freshly" loaded with oxygen...By the way, the question is badly stated and I am almost sure that the person who wrote it doesn't not have deep knowledge of human physiology; I chose A because the rest are definitely wrong although even A is not a very accurate statement.

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