41. Heart beat is
A. Induced by hormones
B. Voluntary process
C. Dependent upon the stimulation by nerve complex
D. Auto inducing
Answer : Option D
42. At the time of auriculo ventricular valve shut, the sound is
43. The systole is
A. The relaxation of auricles
B. The relaxation of ventricles
C. Relaxation of chambers of heat
D. Contraction of heart chambers
Answer : Option C
45. A clot of blood contains
46. Which one of the common anticoagulant is used for preserving blood ?
A. Sodium hydroxide
B. Sodium chloride
C. Sodium oxalate
D. Sodium bicarbonate
Answer : Option C
47. Arteries carry oxygenated blood except
48. Increase in number of leucocytes beyond normal indicates
A. Anemia
B. Infection
C. Increased defense against pathogen
D. Non formation of RBC
Answer : Option B
49. Largest number of white blood corpuscles are
50. Blood is red but RBC are absent in