61. Which one are granulocytes
A. Neutrophils, basophils, lymphocytes
B. Eosinophils, basophils, monocytes
C. Basophils, monocytes, lymphocytes
D. Neutrophils, eosinophils, basophils
Answer : Option D
62. Lymph consists of
A. RBCs, WBCs and plasma
B. RBCs, proteins and platelets
C. Alll components of blood except RBCs and some proteins
D. WBCs and serum
Answer : Option D
63. Find the matching pair :
A. Lubb- sharp closure of AV valves at beginning of ventricular systole
B. Dub - sudden opening of semilunar valves at the beginning of ventricular systole
C. Pulsation of radial artery valves in blood vessels
D. Initiation of heart beat - Purkinje fibers
Answer : Option C
64. Valves which allow blood from ventricles into arteries and not in opposite direction are
A. Aortic valve and mitral valve
B. AV valves and semilunar valves
C. Bicuspid and tricuspid valves
D. Semilunar valves and tricuspid valve
Answer : Option B
65. Bundle of His is a network of
A. Muscle fibres distributed throughout heart walls
B. Muscle fibres found only in ventricle wall
C. Nerve fibres distributed in ventricles
D. Nerve fibres found throughout the heart
Answer : Option B
66. Artificial pacemaker is usually implanted to correct the defect in
67. Pulmonary vein carries oxygenated blood from
A. Heart to its walls
B. Heart to lungs
C. Lungs to heart
D. Heart to all body parts
Answer : Option C
68. The sequence of cardiac cycle is
A. Atrial systole - ventricular systole - joint diastole
B. Atrial diastole - Atrial systole - ventricular diastole
C. Atrial systole - ventricular diastole - ventricular systole
D. ventricular diastole - ventricular systole - Atrial systole
Answer : Option A
69. The blood returning to the heart from lungs via pulmonary vein has more
A. RBC per ml of blood
B. Haemoglobin per ml of blood
C. Oxygen per ml of blood
D. Nutrient per ml of blood
Answer : Option C
70. Systemic heart refers to
A. The two ventricles together in humans
B. The heart that contracts under stimulation from nervous system
C. Left auricle and left ventricle in higher ventebrates
D. Entire heart in lower vertebrates
Answer : Option C