CIRCULATION

CIRCULATION

1. Mitral valve is located between

a. Right auricle and right ventricle b. Right auricle and left ventricle

c. Left auricle and left ventricle d. Left ventricle and right ventricle

2. Which of these remove germs by phagocytosis?

a. RBCs b. WBCs c. Thrombocytes d. Platelets

3. The heart rate of myogenic heart is increased by

a. Sectetin b. Gastrin c. Adrenalin d. Acetlycholine

4. The coagulation of blood in blood vessel is checked by

a. Prothrombrin b. Thromboplastin c. Heparin d. Hirudin

5. Blood corpuscles shrink, when it is kept in

a. Isotonic solution b. Hypo tonic solution c. Hyper tonic solution d. None of these

6. Persons of AB blood group possess which of the following antibodies?

a. a b. b c. a and b d. None

7. Life span of erythrocyte in man is

a. 3 months b. 4 months c. 14 days d. 4 days

8. Pace maker of the heart is

a. A V node b. SA node c. AV septum d. IA septum

9. The normal percentage of glucose in the blood of man is 1% it is present in

a. Plasma b. RBC c. WBC d. Urine

10. In which form CO2 is transported in the blood, the liquid left is

a. Sodium carbonate b. Sodium bicarbonate

c. Potassium carbonate d. Magnesium bicarbonate

11. If the corpuscles are removed from blood, the liquid left is

a. Serum b. Plasma c. Water d. Only RBC and Haemoglobin

12. Blood platelets are the source of

a. Fibrinogen b. Calcium c. Thromboplastin d. Hemoglobin

13. Artery supplying blood to diaphragm is called

a. Pulmonary b. Mesenteric c. Renal d. Phranic

14. The mineral necessary for the coagulation of blood is

a. Na b. Ca c. K d. Cl

15. Hemoglobin is dissolved in the plasma of

a. Man b. Frog c. Earth worm d. Sparrow

16. Which of the following has an open or lacunar type of circulatory system?

a. Earth b. Man c. Cockroach d. Birds

17. Blood leaving the liver and moving to heart has usually high concentration of

a. Glycogen b. Bile c. Urea d. All

18. Two- chambered heart is found in

a. Pavo b. Scoliodon c. Buffo d. Uraeotyphlus

19. If the blood of a child does not clot, the doctor may prescribe

a. Heparin b. Thromboplastin c. Vitamin C d. Vitamin K

20. Which of the following carries oxygenated blood

a. Jujular vein b. Pulmonary vein c. Pulmonary artery d. Azygous vein

21. Mammals have biconcave RBC. The physiological reason of it is

a. To decrease the surface are B. To increase the surface are

c. To be packed like coins d. None of the above

22. Hepoatic portal system starts from

a. Digestive system to liver b. Kidney to liver c. Liver to heart d. Liver to kidney

23. Pulse beat is measured from

a. Nerves b. Artery c. Vein d. Heart

24. Blood groups are named because of the agglutionogens A and B present in

a. Plasma b. RBC c. WBC d. Platelets

25. Ductus caroticus is observed in

a. Kangaroo b. Pigeon c. Tortoise d. Camel


ANSWERS

1. c 2. b 3. c 4. c 5. c 6. d 7. c 8. b 9. a 10. b

11. b 12. c 13. b &d 14. b 15. c 16. c 17. a &c 18. b 19. b & a 20. b

21. b 22. a 23. b 24. b 25. c