Multiple choice

Which of the following substances, if introduced into the blood stream, would cause coagulation of blood at the site of its introduction?

  1. Thromboplastin

  2. Fibrinogen

  3. Heparin

  4. Prothrombin

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

 Thromboplastin is a plasma protein aiding blood coagulation through catalyzing the conversion of prothrombin to thrombin. So, if introduced into the blood stream, it would cause coagulation of blood at the site of its introduction.