A drop of each of the following is placed separately on four slides. Which of them will not coagulate?

Question

A drop of each of the following is placed separately on four slides. Which of them will not coagulate? (A) Blood serum (B) Blood sample from the thoracic duct of lymphatic system (C) Whole blood from pulmonary vein (D) Blood plasma

Tardigrade Admin · Accepted Answer

Blood serum is the blood plasma minus clotting elements. It is of pale yellow colour. It does not have fibrinogen and other clotting materials. Thus, it does not take part in blood clotting.

Q. A drop of each of the following is placed separately on four slides. Which of them will not coagulate?

Blood serum

Blood sample from the thoracic duct of lymphatic system

Whole blood from pulmonary vein

Blood plasma

Blood serum is the blood plasma minus clotting elements. It is of pale yellow colour. It does not have fibrinogen and other clotting materials. Thus, it does not take part in blood clotting.