Question

which plasma proteins are involved in blood clotting? select all that apply.
a fibrinogen
b prothrombin
c albumin
d hemoglobin

Explanation:

• Fibrinogen: Converts to fibrin during clotting, forming a mesh.
• Prothrombin: Converts to thrombin, which acts on fibrinogen.
• Albumin: Maintains osmotic pressure, not clotting.
• Hemoglobin: In red blood cells, carries oxygen, not a plasma protein.

Answer:

A. Fibrinogen, B. Prothrombin