What is the significance of the HbA2 subtype in adult hemoglobin?
A
It is the primary component of adult hemoglobin
B
It helps to regulate oxygen binding to hemoglobin
C
It is a minor component of adult hemoglobin, making up about 2-3%
✓
D
It is only present in fetal hemoglobin
Explanation
HbA2 is a minor component of adult hemoglobin, making up about 2-3%, and is composed of two alpha and two delta chains.
Source
Guyton and Hall Textbook of Medical Physiology
Hematology
Hematology: Hemoglobin and Oxygen Transport
Hematology: Hemoglobin and Oxygen Transport
Medium
MEDICAL
Confidence: high
