Cardiovascular GRBPradip BhattaAugust 19, 2026 Welcome to your Cardiovascular GRB Name Email 1. Adult human RBCs are enucleate. Which of the following statement(s) is/are most appropriate explanation for this feature? (1) They do not reproduce. (2) They are somatic cells. (3) They do not metabolise. (4) All their internal space is available for oxygen transport. Only (1) (1), (3) and (4) (2) and (3) Only (4) None 2. Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body. Erythrocytes Leucocytes Neutrophils Thrombocytes None 3. Serum differs from blood in Lacking globulins Lacking albumins Lacking clotting factors Lacking antibodies. None 4. Erythropoiesis starts in Spleen Red bone marrow Kidney Liver. None 5. Person with blood group AB is considered as universal recipient because he has Both A and B antigens on RBC but no antibodies in the plasma Both A and B antibodies in the plasma No antigen on RBC and no antibody in the plasma Both A and B antigens in the plasma but no antibodies. None 6. A certain road accident patient with unknown blood group needs immediate blood transfusion. His one doctor friend at once offers his blood. What was the blood group of the donor? Blood group B Blood group AB Blood group O Blood group A None 7. Which one of the following human organs is often called the “graveyard” of RBCs? Gall bladder Kidney Spleen Liver None 8. Which one of the following plasma proteins is involved in the coagulation of blood? Albumin Serum amylase Globulin Fibrinogen None 9. A person with unknown blood group under ABO system, has suffered much blood loss in an accident and needs immediate blood transfusion. His friend who has valid certificate of his own blood type, offers for blood donation without delay. What would have been the type of blood group of the donor friend? Type B Type AB Type O Type A None 10. Which two of the following changes (i–iv) usually tend to occur in the plain dwellers when they move to high altitudes (3,500 m or more)? (i) Increase in red blood cell size (ii) Increase in red blood cell production (iii) Increased breathing rate (iv) Increase in thrombocyte count Changes occurring are (ii) and (iii) (iii) and (iv) (i) and (iv) (i) and (ii). None 11. The haemoglobin content per 100 mL of blood of a normal healthy human adult is 5 - 11 gm 25 - 30 gm 17 - 20 gm 12 - 16 gm. None 12. There is no DNA in Mature RBCs A mature spermatozoan Hair root An enucleated ovum None 13. Globulins contained in human blood plasma are primarily involved in Osmotic balance of body fluids Oxygen transport in the blood Clotting of blood Defence mechanisms of body. None 14. The most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC, because “O” in it refers to having Overdominance of this type on the genes for A and B types One antibody only - either anti - A or anti - B on the RBCs No antigens A and B on RBCs Other antigens besides A and B on RBCs. None 15. The most active phagocytic white blood cells are Eosinophils and lymphocytes Neutrophils and monocytes Neutrophils and eosinophils Lymphocytes and macrophages. None 16. Which type of white blood cells are concerned with the release of histamine and the natural anticoagulant heparin? Eosinophils Monocytes Neutrophils Basophils None 17. A drop of each of the following, is placed separately on four slides. Which of them will not coagulate? Blood serum Sample from the thoracic duct of lymphatic system Whole blood from pulmonary vein Blood plasma None 18. You are required to draw blood from a patient and to keep it in a test tube for analysis of blood corpuscles and plasma. You are also provided with the following four types of test tubes. Which of these you will not use for the purpose? Test tube containing calcium bicarbonate Chilled test tube Test tube containing heparin Test tube containing sodium oxalate None 19. In the ABO system of blood groups, if both antigens are present but no antibody, the blood group of the individual would be B O AB A None 20. What is correct for blood group O? No antigens but both a and b antibodies are present. A antigen and b antibody present. Antigen and antibody both absent. A and B antigens and a, b antibodies present. None 21. Erythroblastosis fetalis is caused when fertilisation takes place between gametes of Rh⁻ female and Rh⁺ male Rh⁺ female and Rh⁻ male Rh⁺ female and Rh⁺ male Rh⁻ female and Rh⁻ male. None 22. Which statement is true for WBC? Non-nucleated In deficiency, cancer is caused Manufactured in thymus Can squeeze through blood capillaries None 23. Which is the principal cation in the plasma of the blood? Potassium Magnesium Calcium Sodium None 24. The blood group, with antibody-A and antibody-B is O B A AB None 25. The problem, due to Rh- factor arises when the blood of two (Rh⁺ and Rh⁻) mix up during pregnancy in a test tube through transfusion both (a) and (c). None 26. Which of the following is agranulocyte? Basophil Neutrophil Lymphocyte Eosinophil None 27. The life span of human WBC is approximately between 2 to 3 months more than 4 months less than 10 days between 20 to 30 days. None 28. Vitamin K is required for change of prothrombin into thrombin synthesis of prothrombin change of fibrinogen to fibrin formation of thromboplastin. None 29. Component of blood responsible for producing antibodies is thrombocytes monocytes erythrocytes lymphocytes. None 30. Cells formed in bone marrow include RBCs RBCs and leucocytes leucocytes lymphocytes. None
