241. Ions participating in clotting mechanism are________________?
A. Iron
B. Copper
C. Calcium
D. Aluminum

242. Christmas factor is_____________?
D. Prothrombin

243. Small lymphocyte is _____________?
A. Bigger than RBC
B. Same as the size of RBC
C. Smaller than RBC
D. None of these

244. The largest fraction of the total body fluid is_______________?
A. Extracellular fluid
B. Intracellular fluid
C. Plasma
D. Whole blood

245. Survival time of platelet is approximately______________?
A. 10 hours
B. 10 days
C. 10 weeks
D. 100 days

246. Serum is blood plasma without_____________?
A. Blood cells
B. Fibrinogen
C. Lymphocytes
D. Plasma colloids

247. Persons having anti- A and anti- B is agglutinins in their serum belong to which blood group_____________?
A. A
B. B
D. O

248. Albumin is_____________?
A. Nucleo protein
B. Chromo protein
C. Phospho protein
D. Simple protein

249. Fluid content of the blood is______________?
A. Plasma
B. Serum
C. Water
D. Tissue fluid

250. The only fixed cell of the connective tissue_______________?
A. Histiocyte
B. Lymphocyte
C. Neutrophils
D. Mast cell