Multiple choice

Which of the following proteins circulating in the blood inhibits factors Xa and XIa of the clotting cascade?

  1. Factor XIII

  2. Protein Z-related protease inhibitor

  3. Factor VIII

  4. Protein S

  5. Protein C

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This option is correct. Protein Z-related protease inhibits factors Xa and XIa of the clotting cascade.