What is the role of hemoglobin F in fetal development, particularly in relation to oxygen transport?

A It has a lower affinity for oxygen than adult hemoglobin
B It has a higher affinity for oxygen than adult hemoglobin ✓
C It is not involved in oxygen transport
D It is only present in adults

Explanation

Hemoglobin F has a higher affinity for oxygen than adult hemoglobin, allowing the fetus to receive oxygen from the mother's bloodstream.

Mnemonic

Fetal = Favorable oxygen transport

Source

Guyton and Hall Textbook of Medical Physiology
Hematology Hematology: Hemoglobin and Oxygen Transport Hematology: Hemoglobin and Oxygen Transport Medium MEDICAL Confidence: high