Which of the following is not true with regards to the oxygen-hemoglobin curve?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Which of the following is not true with regards to the oxygen-hemoglobin curve?

Which of the following is NOT true with regards the oxygen-hemoglobin
dissociation curve? *
......
(1) DPG helps unload O, from hemoglobin.
(2) In pulmonary capillaries, a lot of O2 binds to hemoglobin because PO2 is high.
(3) When pH decreases, there is a shift to the right of the entire oxygen-hemoglobin dissociation curve.
(4) The lower the PO2, the more Oz combines with hemoglobin.
O A - If answers (1), (2) and (3) are TRUE
B - If answers (1) and (3) are TRUE
C-If answers (2) and (4) are TRUE
D- If only answer (4) is TRUE
O E- If answers (1), (2), (3) and (4) are TRUE
Transcribed Image Text:Which of the following is NOT true with regards the oxygen-hemoglobin dissociation curve? * ...... (1) DPG helps unload O, from hemoglobin. (2) In pulmonary capillaries, a lot of O2 binds to hemoglobin because PO2 is high. (3) When pH decreases, there is a shift to the right of the entire oxygen-hemoglobin dissociation curve. (4) The lower the PO2, the more Oz combines with hemoglobin. O A - If answers (1), (2) and (3) are TRUE B - If answers (1) and (3) are TRUE C-If answers (2) and (4) are TRUE D- If only answer (4) is TRUE O E- If answers (1), (2), (3) and (4) are TRUE
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