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LAB 1

To obtain a whole blood specimen, what must be used?

An anticoagulant

What does EDTA stand for?

Ethylenediaminetetraacetic acid

What color top tube is EDTA (ethylenediaminetetraacetic acid) used in?

Purple/lavander tops

Purple/lavander tops are typically used in what type of studies?

Hematology

What hematology studies are purple/lavander tops used for?

CBC / Differential

What is most widely used with a chelating agent which binds calcium so blood cannot clot?

Blood Anticoagulants

What specimens can be refrigerated for approx. 24 hrs and does not affect cellular morphology?

Blood Anticoagulants

What is a liquid blood anticoagulant used in light blue top tubes?

Sodium citrate

What liquid blood anticoagulant is used for coagulation studies of Prothrombin Time ( PT ) and Partial Thromboplastin Time (PTT)?

Sodium citrate

What liquid blood anticoagulant has a chelating agent that binds calcium?

Sodium citrate

What liquid or powder blood anticoagulant is used in green top tubes?

Heparin

What color tube top is used for studies of Prothrombin Time ( PT ) and Partial Thromboplastin Time (PTT)?

Light blue top tubes

What color tube top is used for special plasma studies?

Green top tubes

What special plasma studies are done using green top tubes?

Ammonia and Adrenocorticotropic hormone (ACTH)

Heparin inhibits the clotting enzyme thrombin by activating what?

Antithrombin

Antithrombin prevents conversion of prothrombin to what?

Thrombin

Heparin is of limited use because what affects some test results?

Heparin salts

Heparin salts clump with what?

WBCs and platelets

What color top tube is sterile and has no anticoagulant or preservative?

Red top tube

Chemistry, serology, blood bank and others test requiring serum are drawn mainly using what color top tube?

Red top tube

What color top tube contains no anticoagulant but contains a serum separator gel?

Tiger top/HIV tube (Gold)

What is a tiger top/HIV(Gold) tube also called?

Serum Separator Tube(SST)

What color top tube is sodium fluoride used in?

Grey top tube

What blood anticoagulant is used in a grey top tube?

Sodium fluoride

What color tube top is used for glucose studies and ETOH levels analysis?

Grey top tube

What color tube top inhibits glycolysis?

Grey top tube

Using IV site and prolonged tourniquet pressure are what type of errors?

Phlebotomy errors

What results in hemoconcentration (a measurable increase in blood concentration)?

Prolonged tourniquet pressure

Wrong "order of draw", results in what?

Anticoagulant contamination

Wrong "order of draw", short fill and not mixing the tube are what type of errors?

Phlebotomy errors

Syncope (Fainting), is considered what type of complication?

Blood Draw Complication

Never draw patient while what?

Standing

In the event of syncope (fainting), what should you do with the patient?

Lie the patient down

In the event of syncope (fainting), how should you treat the patient?

Symptomatically

Inadequate cleaning of the site can lead to what complication?

Infection

If inadequate cleaning of the site has occured and there is infection what should you do?

Treat as necessary

Anticoagulation medication, inadequate pressure and bending the elbow can lead to what complication?

Continued bleeding

A collapsing vein, failure to enter vein and going through the vein are complications when doing what?

Drawing blood

What does leaking of blood into the tissues cause?

Hematoma

What can cause leaking of blood into the tissues?

Going through the vein

If you go through the vein you should stop the procedure and do what to the site with clean gauze?

Apply pressure

If you go through the vein what should you have the patient do with thier arm?

Elevate arm

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