NHA Phlebotomy Certification Study Guide.docx

Order Of Draw - correct answer 1) Sterile Blood Cultures 2) Light Blue Top 3) Red Top 4) SST (Tiger Top) Serum Separator Tube 5) PST (Light Green Top) Plasma Separator Tube 6) Green Top 7) Lavender Top 8) Gray Top Sterile Blood Culture or (Yellow Top) - correct answer Additive: Media or SPS Tests: Looks for bacteria in the blood Light Blue Top - correct answer Additive: Sodium Citrate Type: Anticoagulant Tests: Coagulation Studies: PT, PTT, APTT Binds to calcium to prevent coagulation Tube must be completely full 9:1 ratio Inverted 3-4 times Red Top - correct answer Additive: None Type: Coagulant Tests: Therapeutic Drug Levels Must stand for 30-60 minutes before centrifuging SST Serum Separator Tube (Tiger Top) - correct answer Additive: Silica (clotting activator), Gel (separator) Type: Coagulant Tests: Chemistry Panels, TSH, Hep B, HIV, Random Glucose Must stand for 30-60 minutes before centrifuging PST Plasma Separator Tube (Light Green Top) - correct answer Additives: Lithium Heparin, Gel Type: Anticoagulant Tests: STAT Chemistries, STAT Electrolytes Green Top - correct answer Additive: Lithium, Sodium, Ammonium, Heparin Type: Anticoagulant Tests: Ammonia (on the rocks), Chromosome analysis Lavender Top - correct answer Additive: EDTA Type: Anticoagulant Tests: CBC, WBC, Sed Rate, ESR, Hemoglobin, Hematocrit Additive will bind to calcium and prevent blood from clotting Gray Top - correct answer Additive: Sodium Fluoride, Potassium Oxalate Type: Anticoagulant Tests: GTT, Fasting blood sugar (FBS), lactic acid (on ice), blood alcohol levels How much blood does average adult have? - correct answer 5-6 Liters Formed elements AKA Cells constitute how much of blood? - correct answer 45% Erythrocytes - correct answer Red Blood Cells What is the life span of a RBC? - correct answer 120 days Leukocytes - correct answer White blood cells What is the lifespan of a WBC? - correct answer 1 day- 1 year What are the three types of blood cells? - correct answer 1) Erythrocytes (RBC) 2) Leukocytes (WBC) 3) Thrombocytes (Platelets) Thrombocytes - correct answer Platelets What is the life span of a thrombocyte? - correct answer 9-12 days Where are erythrocytes made? - correct answer Bone Marrow What is the function of an erythrocyte? - correct answer To transport oxygen and carbon dioxide Where are leukocytes made? - correct answer Bone marrow How many types of WBC are there? - correct answer 5 lymphocytes