Question | Answer |
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) |
Want to create your own Flashcards for free with GoConqr? Learn more.