What is the name of the test used to diagnose and monitor the treatment of hemophilia A and B?

A Activated Partial Thromboplastin Time (APTT) ✓
B Prothrombin Time (PT)
C Bleeding Time (BT)
D Thrombin Time (TT)

Explanation

The Activated Partial Thromboplastin Time (APTT) test is used to diagnose and monitor the treatment of hemophilia A and B, as it measures the time it takes for blood to clot in the intrinsic pathway.

Source

Hematology textbooks
Hematology Hematology: Coagulation Disorders Hematology: Coagulation Disorders Easy MEDICAL Confidence: high