MLPAO Test Prep ~ Hematology| 200 Questions| Accurate 100%

MLPAO Test Prep ~ Hematology| 200 Questions| Accurate 100% 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 Coagulation: What colour tube? What is the additive? - ANSWER light blue, sodium citrate Sodium Citrate binds to ___ preventing ____ - ANSWER calcium, coagulation Sodium Citrate tube must be - ANSWER filled to the maximum draw capacity Coagulation: Document if patient on - ANSWER anticoagulant therapy or aspirin Handling and Storage of Coagulation samples: Preparation requirements - ANSWER C