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phlebotomy pre test
nha pretest
| Question | Answer |
|---|---|
| when should a phlebotomist perform external liquid controls for quality control on CLIA-waived point of care test | when a new lot number or kit is opened |
| blood volume of an 3.3 kg infant | 240-330 ml |
| petechiae | apply pressure - reduced platelet function - increased risk of bleeding |
| iv on right/ mastectomy on left | draw below iv |
| test affected by povidone iodine | potassium tests |
| cbc stored until can be used if delay temp | 2-10 degrees |
| what can cause a hemolyzed specimen | shaking the tube too vigorously |
| when preparing for transport which specimen placed in icy bath within 30 min after collection | arterial blood gases- stops metabolic activity of rbc's immediately |
| drawing blood with someone with tuberulosis | N-95 mask |
| difficult draws with PTT | syringe draw in light blue vacutainer |
| appropriate cleaner for around urinary meatus in a clean catch urine collection | benzalkonium chloride |
| when should codes on glucose cuvettes or stips to be compared to the code on the glucose meter | everytime a the glucose meter is used to check a patients level |
| if a hemotoma develops first thing to do while in middle of draw | release trourniquet and stop the draw |
| donating ones own blood | autologous |
| order of draw diff for capillaries due to | increased rate of coagulation |
| older fragile patients how to draw | choose a syringe and butterfly assemply and transfer to ETS tube, minimizes pressure on fragile vein -helps prevent clotting |
| how far to insert needle for venipuncture of avg weight | until feels "change" in resistance |
| draw on infant - what comes first O2 level, screen card, bilirubin, dna | O2- because baby may cry during a draw changing the O2 levels |
| QNS on rejected tube means | specimen was insufficient |
| no vein doing skin puncture - needs tests for WBC, RBC, glucose, and electrolytes | lavender and red |
| can cause a grossly hemolyzed specimen | a large guage needle indicates a smaller luman, which causes hemolysis |
| ammonia specimen | ice water slurry |
| peripheral blood smear preparing | place 1 mm drop of blood a half inch from the edge of the slide |
| obese patients may not have antecubital vein - may use instead | dorsal veins |
| what test has priority- lead, basal metabolic panel, presurgical, or ferritin | presurgical |
| tube doesnt fill all the way- what should do | try another tube |
| identifies a specimen as long as it remains in the laboratory | accession number |
| blood culture has to clean skin with what | providine iodine |
| metabolic test must ask | last time ate due to needs fasting for at least 8 hours |
| what is the first step in blood collection procedure | test requistion |
| dermal sample what comes first lavender , green , red or light blue | lavender then green then red- light blue is not recommended for coagulation testing |
| possible result from doing multiple collection specimens on premature baby | iatrogenic anemia (too much blood loss) |
| what is microcytic anemia | disease caused by hemoglobin abnormalities |
| what is pernicious anemia | B12 deficiency |
| what is aplastic anemia | disease caused by bone marrow abnormalities |
| procedure for shipping specimens in hot weather | place in box with cold packs and biohazzard label |
| preparing a hand draw - what sould be assembled | winged infusion set and adapter |
Created by:
angelshari
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