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Quiz 1
| Term | Definition |
|---|---|
| What does "Phlebo" stand for? | Vein |
| What does "Tomy" stand for? | Incision |
| The process of drawing blood from a vein is called...? | Venipuncture |
| The "purpose" of phlebotomy is to..? | To detect abnormalities for treatment decisions |
| Describe Arteries | AWAY from the heart, thick walls with high pressure flow, oxygen rich |
| Describe Veins | TOWARD the heart, thinner walls with lower pressure w/ valves preventing backflow, oxygen poor |
| Describe Capillaries | Capillaries are the bridge between arteries or veins, allows oxygen to pass out of blood and CO to pass into blood |
| What is the purpose of a torniquet? | To restrict blood flow and make veins "pop" |
| How many inches do you tie a torniquet above the crease of the arm? | 3-4 in |
| What is whole blood? What does it contain? | Whole blood is blood with FORMED ELEMENTS suspended in PLASMA |
| What is "formed elements"? (definition) | solid parts |
| Formed elements are made of three types of cells, what are they called? | Red Blood Cells, White Blood cells, and Platelets |
| What do platelets do? | Clot blood |
| Define Plasma (hint: what does it contain?) | plasma is UNCLOTTED blood, that contains 90 percent water and 10 percent solutes |
| Define solutes (give examples) | Solutes are minerals, proteins, nutrients, etc |
| Plasma contains a key clotting protein called... | Fibrinogen |
| If plasma DOES clot, what does it become? | Serum |
| Serum does NOT contain...? | Fibrinogen |
| Serum is the...? | Liquid portion of clotted blood |
| What's the circular thing that spins fast called? | a centrifuge |
| What's the purpose of a centrifuge? | To spin blood to separate formed elements |
| A centrifuge MUST be...? | Balanced |
| How long does a centrifuge spin for? | 10 mins |
| How long does it take blood to clot? (roughly) | 30 mins |
| Anticoagulants are...? | a substance that prevents blood from clotting, found as a liquid additive or spray dried powder |
| Non-Anticoagulants will...? | will clot |
| If it has an Anticoagulant, it will...? | yield plasma |
| Why does the order of draw matter? | For prevention of cross contamination, ensures accurate lab results |
| An SST is an? (with gel) | Serum Separator Tube |
| An PST is an? | Plasma Separator Tube |
Created by:
ecoesfeldd