Which of the following coagulation factors is inhibited by the anticoagulant drug dabigatran?

A Factor Xa
B Factor IIa (thrombin) ✓
C Factor IXa
D Factor VIIa

Explanation

Dabigatran is a direct oral anticoagulant that works by inhibiting Factor IIa (thrombin), thereby preventing the conversion of fibrinogen to fibrin.

Source

Pharmacology and Therapeutics: Principles to Practice
Hematology Hematology: Coagulation Disorders Hematology: Coagulation Disorders Hard MEDICAL Confidence: high