Question 3 _would result in a shift the hemoglobin-oxygen dissociation curve to the right. Select the correct statement(s) to fill in the blank. a. An increase in PCO2 O b. An increase in temperature O c. An increase in pH O d. (a) and (b) are correct; (c) is incorrect Oe. (a), (b), and (c) are all correct
Question 3 _would result in a shift the hemoglobin-oxygen dissociation curve to the right. Select the correct statement(s) to fill in the blank. a. An increase in PCO2 O b. An increase in temperature O c. An increase in pH O d. (a) and (b) are correct; (c) is incorrect Oe. (a), (b), and (c) are all correct
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
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:**Question 3**
_______ would result in a shift of the hemoglobin-oxygen dissociation curve to the right.
Select the correct statement(s) to fill in the blank.
- a. An increase in PCO2
- b. An increase in temperature
- c. An increase in pH
- d. (a) and (b) are correct; (c) is incorrect
- e. (a), (b), and (c) are all correct
The correct answer is **b. An increase in temperature**, as indicated by the blue highlight.
*Explanation of Concept*
The hemoglobin-oxygen dissociation curve describes the relationship between the partial pressure of oxygen (PO2) and the oxygen saturation of hemoglobin. Factors that can cause a rightward shift include increased PCO2, increased temperature, and decreased pH, indicating a reduced affinity of hemoglobin for oxygen. In this multiple-choice question, an increase in temperature is identified as causing such a shift.
Expert Solution
Step 1
Oxygen hemoglobin dissociation curve is a presentation of the condition where the percentage saturation of oxygen bound to hemoglobin at a time is shown. Y axis represents the oxygen saturation with hemoglobin and horizontal axis or X-axis shows the partial pressure of oxygen.
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