OBJECTIVE QUESTIONS :
1. Pulse beat is measured from:
(a) Capillaries
(b) Arteries
(c) Veins
(d) Nerves
2. Who demonstrated the mechanism of blood flow in an animal for the first time:
(a) 1P. Pavlov
(b) Kashyap
(c) Hippocrates
(d) W. Harvey
3. The evolution of animals with a heart to pump the blood is found for the first time in:
(a) Annelids
(b) Flatworms
(c) Arthropods
(d) Echinoderm
,4. The valves which allow blood to flow from the ventricles into the arteries and net in the
opposite direction are:
(a) Bicuspid and tricuspid valves
(b) Aortic valve and mitral valve
(c) Semilunar valve and tricuspid valve
(d) AV valve (atrioventricular valve) and semilunar valve
5. During ventricular systole:
(a) Oxygenated blood is pumped into the pulmonary artery and deoxygenated blood is
pumped into the artery.
(b) Oxygenated blood is pumped into the aorta and deoxygenated blood is pumped into the
pulmonary vein.
(c) Oxygenated blood is pumped into the pulmonary vein and deoxygenated blood is pumped
into the pulmonary artery.
(d) Oxygenated blood is pumped into the aorta and deoxygenated blood is pumped into the
pulmonary artery.
6. During diastole, the heart is filled with :
(a) Mixed blood
(b) Venous blood
(c) Oxygenated blood
(d) Deoxygenated blood
7. ECG records:
(a) Rate of heartbeat
(b) Potential difference
(c) Ventricular contraction
(d) Volume of blood pumped
, 8. Which of the following vertebrate organs receives only oxygenated blood :
(a) Gill
(b) Lung
(c) Spleen
(d) Liver
9. Pulmonary artery differs from pulmonary vein in having:
(a) No endothelium
(b) Strong valves
(c) Brunner’s celis
(d) Thick muscular walls
10. In the foetus, the ductus arteriosus connects the:
(a) Pulmonary vein with aorta
(b) Pulmonary artery with systemic aorta
(c) Pulmonary artery with vena cava
(d) Pulmonary vein with pulmonary artery
11. Rate of heartbeat is highest in:
(a) Whale
(b) Elephant
(c) Mouse
(d) Man
12. The instrument by which BP of man is determined:
(a) Ultrasound
(b) BP mcter
(c) Stethoscope
(d) Sphygmomanometer