Question

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

• A. Fibrinogen
• B. Prothrombin
• C. Heparin
• D. Thromboplastin

Answer 1

The correct option is D

Thromboplastin

Correct answer id D:

1. Thromboplastin is an enzyme that is released during blood coagulation. It converts prothrombin to thrombin and helps in blood coagulation.
2. It is also known as a clotting factor.
3. Thromboplastin is responsible for the coagulation at the site of the introduction.

Option A:

Fibrinogen is a protein which produces during blood coagulation.

Option B:

1. Prothrombin also helps in blood coagulation.
2. It is known as factor II.

Option C:

Heparin is an anticoagulant.