Which of the following statements about Hb is FALSE? O a. A higher P50 than normal means that the 02 binds less tightly to Hb. o b. An increase in 2,3-DPG shifts the 02 uptake curve to the left. c. An increase in PCO2 causes a right shift of the 02 uptake curve. o d. A decrease in pH increases P50. O e. An increase in temperature shifts the 02 uptake curve to the right. When extraction ratio of O2 is increased, one statement is WRONG: o a. Bohr's effect is an example of this phenomenon O b. Oxygen-Hb dissociation curve is shifted to the right O C. Arterio-venous [02] is decreased O d. P50 is increased O e. This is observed during exercise

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Which of the following statements
about Hb is FALSE?
O a. A higher P50 than normal
means that the 02 binds less
tightly to Hb.
o b. An increase in 2,3-DPG shifts
the 02 uptake curve to the
left.
c. An increase in PCO2 causes a
right shift of the 02 uptake
curve.
o d. A decrease in pH increases
P50.
O e. An increase in temperature
shifts the 02 uptake curve to
the right.
When extraction ratio of O2 is
increased, one statement is
WRONG:
o a. Bohr's effect is an example of
this phenomenon
O b. Oxygen-Hb dissociation
curve is shifted to the right
O C. Arterio-venous [02] is
decreased
O d. P50 is increased
O e. This is observed during
exercise
Transcribed Image Text:Which of the following statements about Hb is FALSE? O a. A higher P50 than normal means that the 02 binds less tightly to Hb. o b. An increase in 2,3-DPG shifts the 02 uptake curve to the left. c. An increase in PCO2 causes a right shift of the 02 uptake curve. o d. A decrease in pH increases P50. O e. An increase in temperature shifts the 02 uptake curve to the right. When extraction ratio of O2 is increased, one statement is WRONG: o a. Bohr's effect is an example of this phenomenon O b. Oxygen-Hb dissociation curve is shifted to the right O C. Arterio-venous [02] is decreased O d. P50 is increased O e. This is observed during exercise
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