What is the role of nitric oxide in the regulation of oxygen delivery to tissues?
A
It increases the affinity of hemoglobin for oxygen
B
It decreases the affinity of hemoglobin for oxygen
✓
C
It enhances the production of erythropoietin
D
It increases the permeability of blood vessels to oxygen
Explanation
Nitric oxide plays a crucial role in the regulation of oxygen delivery to tissues by decreasing the affinity of hemoglobin for oxygen, which facilitates the release of oxygen to tissues.
Source
Berne and Levy Physiology
Hematology
Hematology: Hemoglobin and Oxygen Transport
Hematology: Hemoglobin and Oxygen Transport
Hard
MEDICAL
Confidence: high
