Blood Chapter 8 Questions PDF

# Blood ## Multiple Choice Questions **(1) Choose the best answer:** 1. **RBCs:** * Are biconcave discs. * Have a life span of 90 days. * Are nucleated cells. * Contain myoglobin. 2. **By L.M red blood corpuscles are:** * Variation in size. * Acidophilic ap...

# Blood ## Multiple Choice Questions **(1) Choose the best answer:** 1. **RBCs:** * Are biconcave discs. * Have a life span of 90 days. * Are nucleated cells. * Contain myoglobin. 2. **By L.M red blood corpuscles are:** * Variation in size. * Acidophilic appearance. * The presence of nuclei. * Dark central area. 3. **By E.M RBCs have:** * Well-developed rER. * Heterochromatic nucleus. * Cell membrane as the only organelle. * Lysosomes 4. **Aplastic anemia is caused by:** * Deficiency of iron & vitamin B12. * Bone marrow depression. * Chronic blood loss. * Acute blood loss. 5. **General characters of WBCs include:** * Absence of nuclei and organelles. * Origin is myeloid and lymphatic tissues. * Osmotically fragile. * Function only inside blood stream. 6. **Total Leucocytic Count:** * Ranges from 400 - 1100/mm³. * Ranges from 200000 - 400000/mm³. * Ranges from 4000 - 11000/mm³. * Ranges from 5000 - 50000/mm³. 7. **Eosinophils are characterized by:** * Spherical Nucleus. * Coarse basophilic granules. * Shiny acidophilic granules. * Receptors for IgE. 8. **Neutrophilia is seen in blood picture of patients having:** * Whooping cough. * Acute tonsillitis. * Tuberculosis. * Liver cirrhosis. ## Short Answer Questions 9. A 9-year-old boy has a blood report with an eosinophil count of 7%. He is not suffering from allergic problems. What would the doctor probably advise his parents to perform? * Urine analysis. * Stool analysis. * Measurement of blood pressure. * Estimation of his bleeding time. 10. **Basophils are characterized by:** * Smaller diameter than RBCs. * Presence of azurophilic granules only. * Irregular nuclei. * Acidophilic granules. 11. **ONE is a function of Basophils:** * Release of trephone. * Secretion of histamine and heparin. * Production of pyrogens. * Production of histaminase. 12. Which of the following cell types migrates first from blood into connective tissue, during an inflammatory response? * Lymphocyte. * Monocyte. * Neutrophil. * Eosinophil. 13. Which of the following white blood cells is most similar to a mast cell? * Lymphocytes. * Platelets. * Neutrophil. * Basophil. 14. Which of these blood elements can differentiate into Plasma cells? * Monocyte. * Megakaryocyte * B Lymphocyte. * T Lymphocyte. 15. Only ONE statement is correct about small lymphocytes: * Scanty cytoplasm. * Indented nucleus with nucleolus. * Well-developed organelles. * The majority of circulating lymphocytes. 16. The most prominent cytoplasmic organelles in monocytes are: * Lysosomes. * Glycogen granules. * Mitochondria. * sER 17. E/M picture of blood platelets shows: * Open canalicular system in central zone. * Bundles of micro filaments in peripheral zone. * Central granulomere of microtubules. * Granulomere containing micro filaments in peripheral zone. 18. The largest cell in bone marrow is the: * Stem cell. * Erythroblast. * Myelocyte. * Megakaryocyte. 19. Granulomere of blood platelets contain all the following except: * Alpha granules. * Delta granules * Beta granules. * Omiga granules. 20. It is believed that worn out red cells are normally destroyed in the spleen by * neutrophils * macrophages * megakaryocytes * monocytes * mast cells 21. Which of the following does not exhibit phagocytic properties? * monocytes * basophils * platelets * eosinophils 22. The circulating white blood cells which are fewest in number are the * monocytes * neutrophils * basophils * lymphocytes * eosinophils 23. Which leukocyte usually has a bi-lobed nucleus? * Neutrophil * Lymphocytes * Monocytes * Eosinophil * Basophils. 24. What is another term for a platelet? * Thrombocyte * Monocyte 25. Which leukocyte is the second most abundant in a peripheral smear of blood? * Lymphocytes * Basophils * Neutrophil * Monocytes * Eosinophils 26. Which of the following is a granulocyte? * Lymphocyte * Neutrophil * Monocyte * Erythrocyte * Thrombocyte 27. Which leukocyte has pink granules? * Neutrophil * Lymphocytes * Monocytes * Eosinophil * Basophils 28. What is another term for a red blood cell? * Thrombocyte * Monocyte * Lymphocyte * Basophil * Erythrocyte 29. Which of the following is described as a "biconcave disc"? * Platelets * Erythrocytes * Leukocytes * Monocytes * Eosinophils 30. Which is the largest leukocyte? * Neutrophil * Lymphocytes * Monocytes * Eosinophil * Basophils 31. Normally most of the circulating white blood cells are * basophilic leukocytes * monocytes * lymphocytes * eosinophilic leukocytes * neutrophilic leukocytes 32. Blood platelets are products of * osteoclasts * basophils * red blood cells * plasma cells * megakaryocytes 33. Bacteria are frequently ingested by * neutrophilic leukocytes * basophilic leukocytes * mast cells * small lymphocytes * fibrocytes 34. Which cell has large blue granules, often obscuring the nucleus? * Neutrophil * Lymphocytes * Monocytes * Eosinophil * Basophils 35. Which of the following is not a granulocyte? * PMN * Basophils * Neutrophil * Monocytes * Eosinophils 36. Which of the following is an agranulocyte? * Thrombocyte * Monocyte * Basophil * Erythrocyte 37. Which of the following is described as having a "central pallor"? * Leukocytes * Monocytes * Eosinophils * Platelets * Erythrocytes 38. Which of the four basic tissue types does blood belong to? * Epithelium * Connective tissue * Muscle * Nervous tissue * Blood 39. Which of the following formed elements do not contain a nucleus? * Platelets * Erythrocytes * Leukocytes * Monocytes * Both a and b 40. What comes from a megakaryocyte? * Lymphocytes * Basophils * Erythrocytes * Monocytes * Platelets 41. Which of the following is NOT a term used for a neutrophil? * Polymorphonuclear neutrophils * PMN * non of the above * Polymorphs ## Sentence Completion 1. __________ has segmented multilobed nucleus. 2. __________ produces histaminase enzyme. 3. __________, its nucleus is bilobed. 4. Rouleaux appearance is for __________. 5. Humoral immunity belongs to __________. 6. Spherical nucleus occupying most of cytoplasm of __________. 7. Kidney-shaped nucleus is for __________. 8. Segmented nucleus formed of 2-4 segments is for __________. 9. RBCs are not true cells as they have no __________. 10. The percentage of basophil is __________ of total blood leukocytes. 11. The largest leukocyte is __________. 12. The smallest leukocyte is __________. 13. The function of neutrophils is __________. 14. The functions of basophils is __________. ## True or False Indicate true or false statement. If false, change the identified word to make it true. 1. Azurophilic granules of neutrophils are likely to be **primary lysosomes**. 2. Blood Platelets release **vasodilator** substances during blood clotting. 3. Specific granules in neutrophils are composed of **histamine**. 4. Cells which mature in the thymus and then enter the circulation are **plasma cells**. 5. Differential leucocytic count is the total number of leucocytes/ mm³ of blood. 6. Hyalomere contains **alpha granules**. 7. Lymphocytes are **granular leukocytes**. 8. Basophil has one segmented nucleus formed of 2-5 lobes connected to each other by thin nuclear extensions.