Which one of the following component distinguish serum from blood ? (a) It lacks clotting factors (b) It lacks antibodies (c) It lacks globulins (d) It lacks albumins
Option A. Blood is composed of a clear, straw-coloured, watery fluid called plasma in which different types of blood cells are suspended. Serum is that part of blood that is similar in composition to plasma but does not contain clotting factors of blood. It includes all proteins not used in blood clotting and all the electrolytes, antibodies, antigens, hormones, etc.
