CAL REGIONAL PHLEBOTOMY Midterm Study Guide - Current Edition Solutions

CAL REGIONAL PHLEBOTOMY Midterm Study Guide - Current Edition Solutions Which of the following is a test of the urinary system? - answer - Creatine clearance An individual's blood type is determined by the presence or absence of a certain type of... - answer - Antigen present in red blood cells The solution normally used to clean the site before routine venipuncture is - answer - Rubbing alcohol (70% isopropyl) Which test is used to monitor heparin therapy? - answer - ACT Capillary puncture blood most likely resembles? - answer - Arterial blood. Which of the following veins is NOT an antecubital vein? - answer - Femoral Vein The relaxing phase of of the cardiac cycle is called? - answer - Diastole. What is the most important factor in choosing which gauge needle to use fore venipuncture? - answer - The size and condition of the vein. A capillary puncture should be done rather than a venipuncture in all of the following situations EXCEPT when? - answer - Drawing a light blue top. What does the term calcaneus mean? - answer - Heel bone. For which condition is a unit of blood withdrawn from a patient as treatment? - answer - Hemochromatosis. Prolonged tourniquet application may cause change in blood composition primarily because of? - answer - Hemoconcentration A blood smear from a EDTA specimen should be made? - answer - Within 1 hour of collection time. The ability of the body to maintain itself to achieve a "steady state" defines what term? - answer - Homeostasis. It is necessary to control depth of lancet insertion during capillary puncture to avoid? - answer - Injuring a bone. What is the most critical error a phlebotomist can make? - answer - Misidentifying a patient. If a patient is complaining of sharp radiating pain from a needle insertion site, the phlebotomist should? - answer - Immediately terminate the draw. Capillary puncture that are deeper than recommended are more painful because pain fibers increase in abundance below? - answer - 2.4 mm. A tube fails to fill with blood during a venipuncture. Which of the following might lead you to think that the vein has collapsed? - answer - Vein disappears when you engage tube. A chain of custody is a ? - answer - Special protocol for forensic specimen. A phlebotomist has attempted twice to draw a partial thromboplastin time (PTT) specimen for a patient with difficult veins. Both times the phlebotomist has been able to draw only a partial tube. What should the phlebotomist do? - answer - Have another phlebotomist try. Why should the laboratory report form indicate the fact that a specimen has been collected by capillary puncture? - answer - The test results may very. An autologous blood transfusion is a transfusion of blood? - answer - Donated by the patient for the patient. What is the FIRST thing the phlebotomist should do in the event of an accidental needlestick? - answer - Wash the site with soap and water for 30 seconds. Never leave a tourniquet on for more than? - answer - 1 minute. Hemolysis can erroneously elevate? - answer - Magnesium, potassium, ammonia. Which of the following is NOT a phlebotomist duty? - answer - Starting IV's. Doing which of the following during the vein selection process is bad for the specimen? - answer - Pumping the fist. The function of the left ventricle is to deliver? - answer - Oxygenated blood to the aorta. What type of additive is recommended for collecting an ethanol test specimen? - answer - Sodium fluoride. If blood is drawn too quickly from a small vein, the vein will have a tendency to? - answer - Collapse. Of the following tests, which is MOST likely to result in fatal consequences if the patient is misidentified? - answer - Type + cross match. Levels of which analyte can differ by 50% or more between morning and late afternoon? - answer - Cortisol. Another name for blood bank is? - answer - Immunohematology. If a patient receives a transfusion of the wrong blood type - answer - Death, or organ fa