BIOL4260 Midterm: Objectives_Chpt_21_Blood
Document Summary
Describe the composition and physical characteristics of whole blood. Discuss the composition and functions albumin, na+, globulin and fibrinogen of plasma: albumin= 60% of plasma proteins functions as carrier of other molecules, as a blood buffer, and contributes to plasma osmotic pressure???????????????????????, na+???, globulin. Give examples of disorders caused by abnormalities of erythrocytes. All the different types of anemia, polycythemia, sickle cell anemia and thalassemia. Individuals with two copies of hemoglobin s can develop sickle cell anemia. Increase in normal response to infection: leukocytes grouped into 2 categories, granulocytes- contain visible cytoplasmic granules, agranulocytes- do not contain visible cytoplasmic granules. Immature, nonfunctional wbcs flood bloodstream: leads to anemia and bleeding, death is usually due to internal hemorrhage or overwhelming infections, treatments: irradiation, antileukemic drugs, stem cell transplants. Involve lymphocytes that become enlarged: originally thought cells were monocytes, so diseased name mononucleolis, symptoms= tired, achy, chronic sore throat, low fever, runs course with rest in 4-6 weeks, describe mononucleosis.
