BLD 324 FINAL EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE

BLD 324 FINAL EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE Which of the following is the major hemoglobin in the newborn? a. α2β2 b. α2ɣ2 c. α2δ2 d. ɣ2β2 b. α2ɣ2 RBC life span is most directly determined by: a. Spleen size b. Hemoglobin content c. Membrane deformability d. Cell size and shape c. Membrane deformability Which RBC process does not require energy? a. Cytoskeleton deformability b. Maintaining ion pumps c. Oxygen transport d. Preventing oxidation of proteins and lipids c. Membrane deformability Mature red blood cells (RBCs) produce energy via anaerobic glycolysis because - a. The mitochondria are busy assembling Hemoglobin b. Anaerobic glycolysis uses oxygen c. Mature RBCs run out of mitochondrial enzymes d. Mature RBCs do not have mitochondria d. Mature RBCs do not have mitochondria When a cell's iron levels drop (a cell like a developing red blood cell), it will respond in which of the following ways? a. Produce less transferrin receptor b. Produce less ferritin c. Produce more hemosiderin d. Produce more ferroportin b. Produce less ferritin Select the Amino Acid substitution that is responsible for sickle cell anemia. a. Lysine is substituted for glutamic acid at the 6th position of the alpha chain b. Valine is substituted for glutamic acid at the 6th position of the beta chain c. Valine is substituted for glutamic acid at the 6th position of the alpha chain d. Glutamine is substituted for glutamic acid at the 6th position of the beta chain b. Valine is substituted for glutamic acid at the 6th position of the beta chain Manual Reticulocyte counts are performed using which stain? a. Immunofluorescence b. Supravital staining c. Wright's staining d. Cytochemical staining b. Supravital staining Iron deficiency anemia is characterized by: a. Decreased plasma iron, decreased % saturation, increased TIBC b. Decreased plasma iron, decreased ferritin, normal FEP c. Decreased plasma iron, decreased % saturation, decreased TIBC d. Decreased plasma iron, increased % saturation, decreased TIBC a. Decreased plasma iron, decreased % saturation, increased TIBC In which condition is HbA2 elevated? a. Sickle Trait b. Sickle Cell Disease c. Newborns d. Anemia