MLPAO Test Prep Hematology Questions with Correct Answers (2)

MLPAO Test Prep Hematology Questions with Correct Answers (2) What does CBC stand for? - Answer-Complete Blood Count What are the formed elements of blood? - Answer-WBC, RBC, and Platelets EDTA Anticoagulant - Answer-Maintains cell shape and size and prevents blood from clotting by binding to calcium Heparin Anticoagulant - Answer-Initiates cell clumping and provides blue background staining Citrate Anticoagulant - Answer-Dilutes the blood due to the volume of the liquid and is used for platelet count only CBC handling and storage: Refrigerate at ᵒC until testing - Answer-4 CBC handling and storage: When transporting to other labs/hospitals - Answer-surround with ice packs CBC handling and storage: Samples are before testing - Answer-mixed well by inversion CBC handling and storage: Samples must be tested within - Answer-24h CBC handling and storage: Peripheral blood smears must be made within - Answer-24h CBC handling and storage: Samples kept for longer than = CANNOT BE USED FOR TESTING - Answer-24h What happens if CBC is tested after 24h? - Answer-Platelets clump, WBC nuclei disintegrate, WBC cytoplasm contain dark granules and Vacuoles, and RBCs swell and break down Coagulation: Specimen of choice? - Answer-Plasma