Bio 169 Final Exam Questions And Answers Graded A+

Bio 169 Final Exam Questions And Answers Graded A+ How long is the typical lifespan of red blood cells? Approximately 120 days. Hemoglobin consists of which components? Protein chains known as globin and iron. What are the two substances produced from the breakdown of red blood cells? Bilirubin and biliverdin. What roles does hemoglobin play in the body? It carries oxygen and carbon dioxide and helps regulate pH levels. What is true about erythropoietin? It is secreted by the kidneys and regulates the production of red blood cells. 2 What is the alternative name for red blood cells? Erythrocytes. Which types of white blood cells are classified as granulocytes? Neutrophils, basophils, and eosinophils. Which cells function as tissue phagocytes? Macrophages. Which white blood cells increase in response to allergic reactions or asthma caused by allergies? Eosinophils. Monocytes are the largest white blood cells. What are their mature forms? Macrophages. Which white blood cells are known to engage in phagocytosis? Macrophages and neutrophils. 3 Which type of cells are responsible for producing antibodies? B lymphocytes. What are the primary functions of antibodies? They bind to antigens and activate or fix the complement system. Which white blood cells are considered the “Commanding General” of the immune system, overseeing the actions of other white blood cells? T helper cells. From which cells do plasma cells originate? B cells. Which blood component is crucial for the clotting process? Fibrinogen. What are the primary plasma proteins found in circulation? Albumin, globulins, and fibrinogen.