Hartman Phlebotomy Tech chapter 8 Exam Questions And Answers

Hartman Phlebotomy Tech chapter 8 Exam Questions And Answers 2 types of tubes? - ANSWER-1- with anticoagulation 2- without anticoagulation .a few things about a CBC... - ANSWER-1. requires a whole blood sample 2. collected in tubes with anticoagulant 3. sample must not clot to get an accurate count .a phlebotomist has the following responsibilities? - ANSWER-1- collect specimens properly 2- handle, process and transport specimen properly .a wristband sitting on a table is not valid id. how would you confirm this patient? - ANSWER-confirmed by photo id or have nurse confirm ID and reattach wristband and document name .an anticoagulant additive used in blood collection tubes mostly commonly lavender top - ANSWER-EDTA .Analytes - ANSWER-substances being measured or studied in a diagnostic test .anticoagulants act in different ways ..... - ANSWER-1- some bind with calcium in the blood making it unavailable bc calcium is key substance in blood clotting 2- some stop action of thrombin(the enzyme that causes fibrin to form) .ASAP test - ANSWER-should be drawn within half an hour not as urgent as stat .Bariatric chair - ANSWER-heavy-duty, extra wide wheelchair designed to assist people who are obese. .Basal state - ANSWER-When the patient has fasted and not excersiced in 12 hours .be familiar with furniture in your lab - ANSWER-be aware of surroundings .Bevel - ANSWER-angled opening of a venipuncture needle it's slanted beveled side up .biggest lancet size available? - ANSWER-2.4 mm .Billirubin - ANSWER-1-pigment release in bile by liver, produced from hemoglobin destruction 2- a substance associated with liver function and is a common light sensitive analyte .blood collected in bottles that allow bacteria to multiply - ANSWER-blood culture .blood culture - ANSWER-1- Test for the presence of bacteria, fungal pathogens or microorganisms in the blood .blood tests that require timing? - ANSWER-1- stat 2- asap 3- glucose intolerence test .blood tubes are emptied of ......... during manfacturing process and designed to draw the ................. of blood needed to complete specimen - ANSWER-air exact amount .Blood Typing and Cross Matching - ANSWER-The process of determining capability between blood specimens .capillary collection order of draw - ANSWER-1- specimens to measure blood gases...usually done on arterial blood but this ok too 2- EDTA used for CBC and should be filled b4 platelets accumulate excessively 3- tubes with other additives 4- serum tubes .capillary puncture - ANSWER-in fingertip in adults and children 1 yr and older .capillary puncture info - ANSWER-1- first blood resembles artery blood 2- as collection continues blood becomes more venous like 3- as time passes platelets begin to collect at puncture site causing blood to be less representative of patients overall .capillary tube - ANSWER-small glass tube used to collect blood for lab procedures .capillary tube size - ANSWER-125-600 micro liters 1 microliter is 1/1000 of a liter .capillary tubes without heparin marked with - ANSWER-blue line .Citrate tube - ANSWER-light blue used for coagulation testing .Coban - ANSWER-brand name of wrap bandages .describe tubes without anticoagulation? - ANSWER-they include clot activators to speed up the coagulation process .Discard tube - ANSWER-1- also called a clear tube, used to collect and discard approximately 5mL of blood to prevent IV or tissue fluid contamination of a specimen 2- won't be tested do not fill completely 3- no additives(red glass) 4- or tube with same additive as next tube to be drawn .double sided needle - ANSWER-allows PBT to insert, fill and remove multiple collection tubes. one side enters patient's vein and the other screws into a rigid plastic holder and punctures the stoppers of collections tubes .each patient needs two unique identifiers? - ANSWER-state and spell name and DOB .EDTA - ANSWER-ethylenediaminetetraacetic acid .Evacuated tube system - ANSWER-the double sided needle, holder and vacuum tube together this allows multiple tubes to be inserted and filled with a single ventipuncture .Evacuated Tube System (ETS) - ANSWER-A closed system in which the patient's blood flows directly into a collection tube through a needle inserted into a vein. .Fasting - ANSWER-no food 8-12 hours b4 a blood test .fasting beyond 14 hours can - ANSWER-effect certain analytes and make test less accurate .foam wedge - ANSWER-helps position arm the patients are in bed or wheelchair .gauge - ANSWER-width of a phlebotomy needle .glucose tolerance test - ANSWER-A test of the body's ability to metabolize glucose that involves the administration of a measured dose of glucose to the fasting stomach and the determination of blood glucose levels in the blood or urine at intervals thereafter and that is used especially to detect diabetes. .Glycolysis - ANSWER-process of deterioration of glucose in a blood specimen if not collected in a tube containing sodium fluoride .hematology tests on what color tube? - ANSWER-lavender .Heparin - ANSWER-Anticoagulant .Heparin - ANSWER-Anticoagulant used as an additive in blood collection tubes usually with green stoppers .heparin capillary tubes are marked with - ANSWER-red or green line .how big are adult blood tubes? - ANSWER-3-5 ml .how big are pediatric blood tubes? - ANSWER-1-2 ml .how does PBT know what tubes to use? - ANSWER-most requisition forms indicate type of tube needed for tests and most electronic systems print specimen labels that indicate the tube required .how many inversions for green, lavender, gray and yellow? - ANSWER-8-10 .how many inversions for light blue tube? - ANSWER-3-4 .how many inversions for red and gold tubes? - ANSWER-4-5 .how soon should timed draw be done? - ANSWER-within 5 min .how to handle labeling of tubes? - ANSWER-1- all specimens must be labeled with patients identifying info and initialed by PBT in front of patient after the draw is completed 2- patients should conform labels are correct....show patient labeled blood tubes 3- tubes must be labeled and initialed immediately after draw then confirmed by patient .how to handle non verbal patients and ID? - ANSWER-1- patients must have wristband that matches name and dob on requisition 2- or photo ID 3- family member or nurse familiar with patient 4- then document everything .hub - ANSWER-the threaded area at the base of a phlebotomy needle that can be screwed into a holder or syringe .in what kind of tube does the centrifuged specimen containing anticoagulation divide into plasma and cellular components? - ANSWER-plasma tube also called anti-coagulation tube .incorrect identification of patient can cause serious problems - ANSWER-1- inconvenience and pain bc of more blood draws 2- delay in diagnosis and treatment due to incorrect test performed 3- inaccurate diagnosis or treatment due to misidentification of patient or specimen 4- prolonged hospital stay if diagnosis or treatment handled improperly 5- increase cost for patient and health care system due to repeated testing 6- illness or death if transfusion or medication administered based on faulty patient id 7- possible legal action against PBT or facility .INR (international normalized ratio) - ANSWER-Calculated from a PT result and is used to monitor how well the blood thinning meds are working .IV meds and peak times - ANSWER-1- IV meds peak more quickly 2- 15-30 min after dose