Which of the following coagulation disorders is characterized by an increased level of homocysteine in the blood?

A Protein C deficiency
B Protein S deficiency
C Homocystinuria ✓
D Factor V Leiden mutation

Explanation

Homocystinuria is a genetic disorder characterized by an increased level of homocysteine in the blood, which can lead to an increased risk of thrombosis.

Source

Harrison's Principles of Internal Medicine
Hematology Hematology: Coagulation Disorders Hematology: Coagulation Disorders Hard MEDICAL Confidence: medium