The Circulatory System Welcome to your The Circulatory System 1. The function of WBC is To distribute heat To protect enzymes To cause blood clotting To destroy bacteria 2. The chief function of lymph nodes in mammals is to Produce WBCs Produce hormones Destroy RBCs Destroy Pathogens 3. Agranulocytes are Lymphocytes, Monocytes Lymphocytes, Basophils Eosinophils, Basophils Eosinophils, Monocytes 4. What will happen if the spleen of a man is removed? WBC production will be lowered Removal of dead RBC will not take place Antibodies production will be decreased RBC production will be stopped 5. Which protein is used in preventing clotting of blood? Albumin Heparin Fibrinogen Globulin 6. The beating of the heart is heard on the left side, because The left ventricle is towards the left side Both the ventricles are towards the lefft side Contraction of the Heart is powerful on left side The dorsal aorta is on the left side 7. Arteries are Thin walled and blood flows under diminished pressure Thick walled and blood flows under high pressure Thin walled and blood flows under low pressure Thick walled and blood flows under diminished pressure 8. Blood pressure is The pressure of blood on the heart muscles The pressure of blood exerted on the walls of arteries and veins The pressure of blood exerted on the walls of arteries only The pressure of blood exerted on the walls of veins only 9. Erythroblastosis foetalis can occur when Man Rh+ve and Woman Rh+ve Man Rh-ve and Woman Rh+ve Man Rh+ve and Woman Rh-ve Man Rh-ve and Woman Rh-ve 10. Blood pressure is measured by Electrocardiogram (ECG) Stethoscope Sphygmomanometer Pulse rate 11. The nearest organ to which the heart supplies oxygenated blood is Lung Stomach Intestine Heart itself 12. Angina pectoris is due to Defective nutrition Chest pain due to inadequate supply of oxygen to the heart muscles Defective function of the mitral valve Infection by a virus 13. A blood disorder in which the hemoglobin is defective Heterochromia Alopecia Haemolysis Sickle cell anaemia 14. When a doctor is recording your pulse, he is pressing on your wrist exactly on a Vein Capillary Artery Arteriole 15. Which of the following two-word items mean the same thing? Blood cancer - Haemophilia Pacemaker - S A Node Osteoporosis - Arthritis None of the above 16. Which of the following carries deoxygenated blood to the lungs from the right ventricle? Pulmonary artery Pulmonary vein Aorta None of the above 17. Which of the following forms clots when blood vessels get damaged? Platelets Cellulose Haemoglobin None of the above 18. A small branch of an artery that leads into a capillary is called Capillaria Areolas Arteriole None of the above 19. White blood cells engulf bacteria in a process called Diapedesis Phagocytosis Active transport Passive transport 20. The blood vessel supplying blood to the kidney is Renal vein Renal artery Dorsal aorta Hepatic vein Please fill in the comment box below.