NCCT Phlebotomy Certification Questions with well explained answers

The forearm vein most commonly used for venipuncture is the? - a. median cubital The smallest veins in the human body are known as? - c. venules The aorta branches into smaller divisions called arteries, which in turn branch into even smaller divisions called? - b. arterioles Characteristics of capillaries include? - d. all of the above (having thin-walls, forming microscopic pathways, and connecting arterioles with venules) Within the capillaries, blood cell functions include? - d. all of the above (releasing oxygen, binding carbon dioxide, and eliminating waste) The heart, lymphatic organs, and blood vessels are in the ? system. - b. cardiovascular The suffix -URIA at the end of a medical term refers what body location? - b. urine The study of blood is known as? - a. hematology The liver, stomach, mouth and pancreas are in the ? system. - c. digestive The most important step to ensure accuracy in sample collection is? - d. identifying the patient properly The bladder, urethra, kidneys, and ureters are in the ? system. - a. urinaryThe trachea, nose, lungs and pharynx are in the ? system. - b. respiratory The sebaceous glands, skin hair and nails are in the ? system. - d. integumentary The body system that is a primary regulator of hormones is the ? system. - b. endocrine Neutrophils, eosinophils, basophils, lymphocytes and monocytes are types of? - d. white blood cells The common name for the thrombocyte is the? - d. platelet The liquid portion of an anticoagulated blood sample is known as? - c. plasma The instrument that measures blood pressure is called a? - a. sphygmomanometer An artery can be distinguished from a vein because an artery will be? - b. pulsating Lancets are used to collect blood samples by? - d. capillary or skin puncture The abbreviation VAD is commonly used in hospitals to refer to? - b. venous access devices To determine the size of the needle, remember that the higher the gauge, the? - b. smaller the needle bore Adult capillary punctures most often involve use of the ? finger(s). - c. third and fourth (middle and ring) A centrifuge is used n a clinical laboratory setting to? - d. seperate liquid from cells in bloodThe oral glucose tolerance test is used for detection of? - b. diabetes Use a ? -topped evacuated tube for collectin of blood for a CBC test. - b. lavender Use a ? -topped evacuated tube for collection of blood for electrolyte testing. - b. red Use a ? -topped evacuated tube for collection of blood for cholesterol testing. - a. red Sodium citrate is an anticoagulant of choice for coagulation studies because it prevents? - a. clotting factors When preparing a blood smear directly from a skin puncture, it is best to? - c. wipe away the first drop of blood The order of draw recommended by the CLSI (2007) for these tubes is? First - e. blood culture tube Second - c. coagulation tube (blue) Third - d. serum tubes (red) w/ or w/o clot activator or gel Fourth - f. herapin tube w/ or w/o gel plasma seperator (green) Fifth - g. EDTA (lavender) Sixth - b. glycolytic inhibitor (gray) Put these 10 selected phlebotomy steps in the correct order: (1st) - a. Greet and identify the patient(6th) - f. Insert the needle (4th) - d. Cleanse the venipuncture site (2nd) - b. Explain the procedure to the patient (5th) - e. Anchor the vein (7th) - g. Collect clood in vacuum tubes (10th) - j. Label tubes (9th) - i. Dispose of needle (8th) - h. Remove tourniquet (3rd) - c. Assemble equpiment The purpose of doing blood cultures is to detect? - d. septicemia Anticoagulants are used to? - b. prevent blood from clotting White blood cells help the body by? - c. defending against foreign invaders Platelets help the circulation by? - d. participating in hemostasisWhen blood seeps into the surrounding tissue during a venipuncture, a ? may form. - c. hematoma In a patient with a clotting disorder, pressure should be applied to the puncture site for at least ? after venipuncture to insure blood stoppage. - b. 5 minutes