31. Pathway of myogenic impulse conduction is
A. SAN - AVN - Bundle of His - Purkinje fibers
B. SAN - AVN - Punkinje fibers - Bundle of His
C. AVN - SAN - Bundle of His - Purkinje fibers
D. AVN - Bundle of His - SAN - Pukinje fibers
Answer : Option A
32. In disease erythroblastosis foetalis
A. Destroy the baby’s WBCs
B. baby suffering from atherosclerosis
C. Destroy the baby’s RBCs
D. An increasing in the number of RBCs
Answer : Option C
33. A person having both antigen A and antigen B on the surface of RBCs
A. That person donot possess antibody in serum
B. He can donate the blood to only having AB blood group
C. He is universal recipient
D. All the above
Answer : Option D
34. responsible factor XI of blood clotting is
A. Antiheamophilic globulin
B. Plasma thromboplasin antecedent
C. Fibrin stabilizing
D. Hageman factor
Answer : Option B
35. It is an important method for checking the health related problems of the heart.
36. Blood group is due to
A. Specific antigen on the surface of WBC
B. Specific antibodies on the surface of RBC
C. Specific antigen of the surface of RBC
D. Type of haemoglobin in blood
Answer : Option B
37. Leucopenia is the condition where
A. Leuocytes decrease below 5000 per cubic mm of blood
B. (b) Bone marrow is destroyed
C. Total number of lymphocytes decrease from 2 % to 5 %
D. Leucocytes increase above 6000 per cubic mm
Answer : Option A
38. Carbonic anhydrase enzyme present in
39. The coagulation of blood occurs due to
A. Destruction of RBC
B. Destruction of WBC
C. Destruction of lymph
D. Destruction of blood platelets
Answer : Option D
40. The valve present at the left auriculo - ventricular aperture is
A. Tricuspid valve
B. Semilunar valve
C. Mitral valve
D. Eustrachian valve
Answer : Option B