812197
| Frage | Antworten |
| most common vein used for venipuncture | median cubital |
| most common size needle for venipuncture | 21 gauge |
| smallest vein | venule |
| smallest artery | arteriole |
| prep venipuncture site with ____ | 70% isopropyl alcohol |
| tourniquet placement | 3-4 inches above draw site |
| maximum length of tourniquet application | 1 minute |
| tourniquets left on too long can cause ____ | hemoconcentration |
| additive in lavender top tubes | EDTA |
| additive in light blue top tubes | sodium citrate |
| additive in yellow top tubes | ACD or SPS |
| additive in green top tubes | heparin |
| hemograms are drawn in _____ tube | lavender top |
| INR (PT) is drawn in _____ tube | light blue top |
| most important step when drawing a patient | patient identification |
| protection required to draw a patient | gloves |
| important step to prevent spread of infection | hand washing |
| oxygen rich blood drawn from this blood vessel | artery |
| oxygen poor blood drawn from this blood vessel | vein |
| technique to keep veins from rolling | anchoring |
| allowing drying time before drying blood cultures prevents | contamination |
| where to draw an IV patient | below the IV site |
| EDTA binds ____ to prevent clotting | calcium |
| why do you get fibrin strands in sample tubes? | spinning tube too soon |
| steps after needle stick | tell supervisor, cleanse site |
| body system that includes the heart and lungs | cardiovascular |
| cause of hematoma | needle through the vein/needle not in far enough |
| what must be handed out to those who use/buy a chemical product? | MSDS sheets |
| parenteral transmission | transferring bacteria into the body/blood stream |
| National Fire Protection Label # for most harm | 4 |
| blood culture bottles are ___ | anaerobic and aerobic |
| organization whose name just changed to Clinical Lab Standards Institute (CLSI) | NCCLS |
| protective isolation rooms protect _____ | the patient |
| signs of good body language | eye contact, smiling, standing up straight, etc. |
| therapeutic drug levels' tube | red top, no SST |
| chain of custody drawing | everyone who handles the sample must sign for it (court cases) |
| disposable blood drawing equipment prevents _____ | spread of infection |
| names for coagulation lab test | INR, PT, Protime, coumadin check |
| why do you not need to use a pipette to pour off a serum SST tube? | SST gel separates serum from other components |
| why and how to balance a centrifuge | prevent the centrifuge from spinning off balance and breaking tubes; balance matching (level) tubes opposite each other |
| can plasma be used if it has buffy coat in it? | no |
| when in doubt, should you use a plain red top or SST tube? why? | plain red top; majority of chemistry tests can be done with it |
| what must you do daily on lab machines? | qc (quality controls) |
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