1) What is phlebotomy? a) Drawing blood b) Giving injections c) Measuring pulse d) Checking blood pressure 2) Which vein is commonly used for venipuncture? a) Femoral vein b) Jugular vein c) Median cubital vein d) Saphenous vein 3) What is the first step in phlebotomy? a) Insert needle b) Label tubes c) Identify patient d) Apply bandage 4) What is the purpose of a tourniquet? a) Stop bleeding b) Increase blood flow c) Locate veins d) Reduce pain 5) What should be done if a patient faints? a) Continue procedure b) Call for help c) Ignore it d) Leave the room 6) Which needle gauge is larger? a) 18 gauge b) 22 gauge c) 25 gauge d) 30 gauge 7) What is hemolysis? a) Blood clotting b) Red cell destruction c) White cell increase d) Platelet reduction 8) How long should pressure be applied post-draw? a) 1 minute b) 3 minutes c) 5 minutes d) 10 minutes 9) What is the best angle for needle insertion? a) 15-30 degrees b) 45-60 degrees c) 75-90 degrees d) 0-10 degrees 10) What is the primary purpose of the additive in a light blue top tube? a) To prevent blood from clotting for coagulation studies. b) To preserve the morphology of red blood cells. c) To facilitate a quick clot for serum separation. d) To inhibit glycolysis for glucose tests. 11) A medical assistant is ordered to perform a complete blood count (CBC) and a prothrombin time (PT/INR). The medical assistant should use which of the following tubes in the correct order of draw? a) Lavender top, then light blue top b) Light blue top, then lavender top c) Red top, then lavender top d) Green top, then light blue top 12) In hematology, what is the term for a low platelet count? a) Anemia b) Leukocytosis c) Thrombocytopenia d) PolycythemiaHemolysis 13) Which of the following is a common cause of a hemolyzed blood specimen? a) Drawing blood from a site above an IV line b) Not inverting the tube after the draw c) Shaking the tube too vigorously d) Using a needle that is too large 14) The term hemostasis refers to: a) The breakdown of red blood cells. b) The process of blood clotting and stopping bleeding. c) The separation of blood components in a centrifuge. d) The formation of a hematoma. 15) A patient has an order for a blood culture. The medical assistant must use which of the following? a) A light blue top tube b) A red top tube c) A specific blood culture bottle or tube d) A lavender top tube 16) What is the purpose of a differential blood count (diff)? a) To determine the patient's blood type b) To count the number of platelets c) To identify and count the different types of white blood cells d) To measure the amount of glucose in the blood

Phlebotomy I

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