Phlebotomy Technician Exam Questions and Answers 100% Pass

Phlebotomy Technician Exam Questions and Answers 100% Pass When collecting blood from a capillary stick, you should always____________. - Correct Answer ️️ -wipe away the first drop of blood What are the three primary veins used for venipuncture? - Correct Answer ️️ -basilic, cephalic and median cubital How long can a tourniquet be left on? - Correct Answer ️️ -1 minute Where should a tourniquet be placed for venipuncture? - Correct Answer ️️ -3 to 4 inches above the draw site When cleansing a site for venipuncture, you should wipe at the intended draw site and______________ - Correct Answer ️️ -move in a circular motion from the center to the periphery What additive is in a lavender top tube? - Correct Answer ️️ -EDTA What additive is in a plain red tube? - Correct Answer ️️ -none What additive is in a gray top tube? - Correct Answer ️️ -sodium fluoride What additive is in a light blue top tube? - Correct Answer ️️ -sodium citrate What additive is in a sterile yellow tube? - Correct Answer ️️ -SPS In what color tube is a blood culture drawn? - Correct Answer ️️ -yellow In what color tube is an ESR drawn? - Correct Answer ️️ -lavendar What does ESR stand for? - Correct Answer ️️ -Erythrocyte sedimentation rate In what color tube is a CBC drawn? - Correct Answer ️️ -lavendar In what color tube are coagulation tests drawn? - Correct Answer ️️ -light blue In what color tube is an FBS drawn? - Correct Answer ️️ -grey What does FBS stand for? - Correct Answer ️️ -fasting blood sugar If you need a red top tube and a light blue top tube, which tube is drawn first? - Correct Answer ️️ -light blue What is the abbreviation for as needed? - Correct Answer ️️ -prn What does the abbreviation QNS stand for? - Correct Answer ️️ -quantity not sufficient A blood lancet is used for the collection of a small amount of blood by_________. - Correct Answer ️️ -skin puncture What is the most important step before beginning a venipuncture (after washing your hands)? - Correct Answer ️️ -identify the patient What lab equipment or instrument separates the liquid and solid portion of blood? - Correct Answer ️️ -centrifuge What does an elevated sedimentation rate mean? - Correct Answer ️️ -Inflammatory disorder Hct is the abbreviation for _____________. - Correct Answer ️️ -hematocrit What does a hematocrit show? - Correct Answer ️️ -The percentage of RBCs in the blood What is hemoglobin? - Correct Answer ️️ -An iron-containing protein on the erythrocyte that carries oxygen and carbon dioxide Hgb is the abbreviation for ___________ - Correct Answer ️️ -hemoglobin True are false? Hemoglobin and hematocrit values are higher in females than males. - Correct Answer ️️ -False When should you use a butterfly needle to collect blood? - Correct Answer ️️ -Butterfly needles are an indispensable tool for collecting blood from all patient demographics, particularly pediatric, geriatric, patients with difficult veins or dorsal hand veins. Butterfly needles, however, are much more expensive than a multi-sample needle/hub. Thus, phlebotomists must be prudent in their assessment and needle selection. What is the Vacutainer system? - Correct Answer ️️ -The vacuum collection consists of a doubled-pointed needle, plastic holder/adapter, and series of vacuum tubes with rubber stoppers of various colors. What is the most commonly used site for venipuncture? - Correct Answer ️️ -The antecubital space Needle gauge - Correct Answer ️️ -Indicates the size of the needle lumen When do you recap a needle? - Correct Answer ️️ -Never! What is another word for fainting? - Correct Answer ️️ -syncope When should you remove the tourniquet after a successful venipuncture? - Correct Answer ️️ -While the last tube is filling Red top tube - Correct Answer ️️ -Hematology testing Yellow top tube - Correct Answer ️️ -Blood cultures Green top tube - Correct Answer ️️ -Chemistry tests, contains heparin Blue top tube - Correct Answer ️️ -For coagulation, contains sodium citrate Lavender top tube - Correct Answer ️️ -Used for hematology contains EDTA Gray top tube - Correct Answer ️️ -Testing blood glucose, contains potassium oxalate Bevel - Correct Answer ️️ -open pointed end of the needle that pierces the vein and which blood flows. What is the purpose of a tourniquet? - Correct Answer ️️ -restrict/slow blood flow and engorge veins engorgement makes it easier to feel, locate, and palpate veins When palpating a vein, why should you NOT use your thumb? - Correct Answer ️️ - because your thumb has a pulse feel with your pointer finger instead Hemoconcentration - Correct Answer ️️ -Condition which the concentration of blood cells is increased in proportion to the plasma