Body Fluids and Circulation Question 19
19. A drop of each of the following, is placed separately on four slides. Which of them will not coagulate?
(a) Blood serum
(b) Sample from the thoracic duct of lymphatic system
(c) Whole blood from pulmonary vein
(d) Blood plasma.
Show Answer
Answer : a
Hints & Solutions
(a) Blood serum is of pale yellow colour and is liquid minus clotting elements. It does not have fibrinogen and other clotting materials therefore it does not takes part in blood clotting.
