click below
click below
Normal Size Small Size show me how
chap 8 McGraw-Hill
Blood collection equipment questions
| Question | Answer |
|---|---|
| what does bacteriostatic antiseptic prevent? | contamination from normal skin bacteria |
| What are Betadine, Iodine or chlorhexidine gluconate used for? | blood culture collection or an arterial puncture - for more sterility |
| Why aren't alcohol prep pads used during alcohol level collection? | due to possible contamination |
| why shouldn't adhesive bandages be used on elderly patients? | They may have fragile skin. |
| How long should the patient watch the venipuncture site before removing the bandage? | 15-30 minutes |
| leaving a Coban or other pressure dressing, in place for too long can cause what? | constriction of the tissues and possible circulation issues. |
| what should the patient be instructed to avoid after a venipuncture? | lifting and frequent bending of the elbow, to prevent the return of bleeding |
| prewarming the puncture site helps with what? | locate veins in older ppl, patients with cancer or obesity |
| when transporting specimens from facility to facility, where do you add the absorbent pad? | in the specimens containment portion of the transport bag to provide extra safety from spills and breakage |
| how do you prevent hemolysis during transport? | place the specimens in the bag, handle it gently and keep it vertical with the tube cap or closure on top |
| Translucent capped tubes are used for what? | children or adults with fragile veins |
| sodium citrate ? Light blue top | works by binding calcium to stop the blood from clotting |
| What the tube must be full? | The light blue tube. So the sodium citrate and blood ratio is correct. 9 to 1 |
| what is the ratio for sodium citrate to blood in the blue tube? | 9 to 1 |
| what are common tests run on the light blue tube? | PT, PTT, D-dimers, fibrinogen ... |
| The majority of the tubes go to what lab department ? | Chemistry |
| Serum separator / Gold top tube | lipids, iron, thyroid panel, cholesterol panel, liver function thromboin , glucose |
| What speeds up the clotting process in the Gold tube? | thoxtropix gel, glass, sand |
| What lab does the green top tube go to? | it varies |
| What tests are run on the green top tube? | H-pylori, histamine, insulin level, ammonium level, lithium |
| What does Heparin do? | heparin INACTIVATES thrombin |
| what lab do the lavender top tube go to? | Hematology |
| what tests are run on the Lavender top tube ? | CBC, hemogolbin A1c, ESR |
| how does EDTA work? | it binds calcium |
| what lab does Dark blue tube go? | toxicology. follows chain of cusody |
| what test is run on Tan top tube? | lead |
| Orange top tube are for what kinds of tests? | STAT tests and serum testing |
| White top tube | no additive. DNA testing |
| what tests are run on Black top tube? | automated ESR |
| When using the butterfly needle, and drawing from a light blue tube, what must you do? | use a discard tube first |
| Substances that inhibit or promote clotting are called? | additives |
| Light green tubed test are what type of CHEMISTRY test? | STAT |