BMS201 - Blood Physiology Quiz PDF

BMS201 - Blood Physiology Quiz Multiple Choice Questions (MCQs) 1. Which of the following is NOT a general function of blood? ○ (a) Transport of oxygen and carbon dioxide ○ (b) Regulation of body temperature ○ (c) Defense against microorganisms ○ (d) Hemostasis (stopping bleeding) 2. What...

BMS201 - Blood Physiology Quiz Multiple Choice Questions (MCQs) 1. Which of the following is NOT a general function of blood? ○ (a) Transport of oxygen and carbon dioxide ○ (b) Regulation of body temperature ○ (c) Defense against microorganisms ○ (d) Hemostasis (stopping bleeding) 2. What is the approximate blood volume in a 70 kg man? ○ (a) 4 liters ○ (b) 5.6 liters ○ (c) 7 liters ○ (d) 8 liters 3. The cellular component of blood constitutes approximately what percentage of the total blood volume? ○ (a) 25% ○ (b) 45% ○ (c) 55% ○ (d) 75% 4. Which plasma protein is responsible for the majority of the blood's colloid osmotic pressure? ○ (a) Albumin ○ (b) Globulin ○ (c) Fibrinogen ○ (d) Prothrombin 5. Where are most plasma proteins synthesized? ○ (a) Liver ○ (b) Spleen ○ (c) Bone marrow ○ (d) Lymph nodes 6. A decreased albumin/globulin ratio (A/G ratio) can be indicative of: ○ (a) Liver disease ○ (b) Dehydration ○ (c) High protein diet ○ (d) Congenital agammaglobulinemia 7. Which of the following is NOT a function of plasma proteins? ○ (a) Blood clotting ○ (b) Oxygen transport ○ (c) Transport of hormones ○ (d) Maintenance of blood pH 8. The primary function of fibrinogen is: ○ (a) Transport of iron ○ (b) Blood clotting ○ (c) Immune defense ○ (d) Maintenance of blood viscosity 9. Which plasma protein transports iron in the blood?  ○ (a) Transferrin ○ (b) Ceruloplasmin ○ (c) Albumin ○ (d) Haptoglobin 10. The blood's viscosity is primarily due to: ○ (a) Plasma proteins and white blood cells ○ (b) Red blood cells and white blood cells ○ (c) Red blood cells and plasma proteins ○ (d) Plasma proteins and platelets 11. The normal albumin/globulin ratio (A/G ratio) is approximately: ○ (a) 0.5 - 1.0 ○ (b) 1.2 - 1.6 ○ (c) 2.0 - 2.5 ○ (d) 3.0 - 3.5 12. Which of the following conditions would likely lead to an increased A/G ratio? ○ (a) Liver cirrhosis ○ (b) Nephrotic syndrome ○ (c) Multiple myeloma ○ (d) Congenital agammaglobulinemia 13. The Donnan effect primarily explains: ○ (a) The distribution of ions across the capillary wall ○ (b) The binding of hormones to plasma proteins ○ (c) The breakdown of plasma proteins in tissues ○ (d) The synthesis of plasma proteins in the liver 14. Plasma proteins contribute to the buffering capacity of blood primarily through: ○ (a) Their ability to bind and release hydrogen ions ○ (b) Their high concentration in plasma ○ (c) Their interaction with bicarbonate ions ○ (d) Their role in carbon dioxide transport 15. The labile reserve proteins are: ○ (a) Stored in the liver and can be quickly mobilized to the plasma ○ (b) Synthesized in the bone marrow and released during stress ○ (c) Found in muscle tissue and used for energy during starvation ○ (d) Transported by albumin and released at sites of inflammation 16. The process by which albumin is transported from the blood to the interstitial fluid is called: ○ (a) Pinocytosis ○ (b) Phagocytosis ○ (c) Exocytosis ○ (d) Osmosis 17. The degradation of albumin primarily occurs in: ○ (a) Tissue macrophages ○ (b) Liver cells ○ (c) Red blood cells ○ (d) Lymph nodes 18. Which of the following is NOT a source of amino acids for plasma protein synthesis? ○ (a) Dietary proteins ○ (b) Tissue proteins  ○ (c) Breakdown of red blood cells ○ (d) Labile reserve proteins 19. The rate of plasma protein synthesis is generally considered to be: ○ (a) Very rapid ○ (b) Moderate ○ (c) Slow ○ (d) Negligible 20. The term "dynamic state" in relation to plasma proteins refers to: ○ (a) Their constant movement throughout the body ○ (b) Their continuous breakdown and resynthesis ○ (c) Their ability to change shape and function ○ (d) Their role in maintaining blood pressure Answer Key 1. (b) 2. (b) 3. (b) 4. (a) 5. (a) 6. (a) 7. (b) 8. (b) 9. (a) 10. (c) 11. (b) 12. (d) 13. (a) 14. (a) 15. (a) 16. (a) 17. (a) 18. (c) 19. (c) 20. (b) Done 21. The main difference between plasma and serum is that serum lacks: ○ (a) Albumin ○ (b) Globulins ○ (c) Fibrinogen  ○ (d) Electrolytes 22. Which of the following statements about gamma globulins is FALSE? ○ (a) They are synthesized in the liver ○ (b) They are also known as antibodies ○ (c) They play a role in immune defense ○ (d) They are a type of globulin protein 23. The transport of free fatty acids in the blood is facilitated by: ○ (a) Albumin ○ (b) Globulins ○ (c) Fibrinogen ○ (d) Lipoproteins 24. Which of the following is an example of a negative acute phase protein? ○ (a) Albumin ○ (b) C-reactive protein ○ (c) Fibrinogen ○ (d) Ferritin 25. The half-life of albumin is approximately: ○ (a) 2-3 days ○ (b) 7-10 days ○ (c) 15-20 days ○ (d) 30-40 days 26. Which of the following factors does NOT affect the concentration of plasma proteins? ○ (a) Nutritional status ○ (b) Liver function  ○ (c) Kidney function ○ (d) Blood type 27. The process of separating blood components based on their density is called: ○ (a) Centrifugation ○ (b) Electrophoresis ○ (c) Chromatography ○ (d) Filtration 28. The primary function of erythrocytes (red blood cells) is: ○ (a) Transport of oxygen ○ (b) Blood clotting ○ (c) Immune defense ○ (d) Phagocytosis 29. The hormone erythropoietin stimulates: ○ (a) Red blood cell production ○ (b) White blood cell production ○ (c) Platelet production ○ (d) Plasma protein synthesis 30. The average lifespan of a red blood cell is approximately: ○ (a) 30 days ○ (b) 60 days ○ (c) 120 days ○ (d) 180 days 31. The breakdown of red blood cells primarily occurs in: ○ (a) The spleen and liver  ○ (b) The bone marrow ○ (c) The lymph nodes ○ (d) The kidneys 32. The oxygen-carrying protein in red blood cells is: ○ (a) Hemoglobin ○ (b) Myoglobin ○ (c) Albumin ○ (d) Transferrin 33. Anemia is a condition characterized by: ○ (a) A decreased number of red blood cells or hemoglobin ○ (b) An increased number of white blood cells ○ (c) A decreased number of platelets ○ (d) An increased blood viscosity 34. Which of the following is NOT a common cause of anemia? ○ (a) Iron deficiency ○ (b) Vitamin B12 deficiency ○ (c) Chronic kidney disease ○ (d) Dehydration 35. The most common type of anemia worldwide is: ○ (a) Iron-deficiency anemia ○ (b) Pernicious anemia ○ (c) Sickle cell anemia ○ (d) Aplastic anemia 36. The symptoms of anemia are primarily due to: ○ (a) Decreased oxygen delivery to tissues  ○ (b) Increased blood viscosity ○ (c) Impaired immune function ○ (d) Electrolyte imbalances 37. The treatment of anemia depends on: ○ (a) The underlying cause ○ (b) The severity of the anemia ○ (c) The patient's age and overall health ○ (d) All of the above 38. Which of the following is NOT a potential complication of severe anemia? ○ (a) Heart failure ○ (b) Stroke ○ (c) Increased risk of infections ○ (d) Kidney stones 39. The hematocrit is a measure of: ○ (a) The percentage of red blood cells in the blood ○ (b) The concentration of hemoglobin in the blood ○ (c) The number of white blood cells in the blood ○ (d) The number of platelets in the blood 40. The normal range for hematocrit in adult males is approximately: ○ (a) 25-35% ○ (b) 35-45% ○ (c) 40-50% ○ (d) 50-60% Answer Key  21. (c) 22. (a) 23. (a) 24. (a) 25. (c) 26. (d) 27. (a) 28. (a) 29. (a) 30. (c) 31. (a) 32. (a) 33. (a) 34. (d) 35. (a) 36. (a) 37. (d) 38. (d) 39. (a) 40. (c) Done