Which of the following coagulation disorders is associated with an increased risk of thrombosis due to elevated levels of homocysteine in the blood?

A Protein C deficiency
B Protein S deficiency
C Homocystinuria ✓
D Antithrombin deficiency

Explanation

Homocystinuria is a genetic disorder characterized by elevated levels of homocysteine in the blood, which increases the risk of thrombosis due to its prothrombotic effects.

Source

New England Journal of Medicine, 2019
Hematology Hematology: Coagulation Disorders Hematology: Coagulation Disorders Medium MEDICAL Confidence: high