General Laboratory
Customer Service
Order of Draw
Anatomy and Physiology
Phlebotomy Technique
100

Hematocrit measure (blank) in a given volume of whole blood.

Red Blood Cells (RBC's)

100

You go to a patient's room to draw an elderly woman. She is hard of hearing and very agitated. You explain to her that the doctor needs the tests to help her get better. The patient does not want her blood drawn and asks you to leave. What do you do?

Inform the patient she has the right to refuse and leave. Notify the doctor and the nurse.

100

PT is the abbreviation for?

Prothrombin Time

100

Fifty five percent of blood is?

Plasma

100

The patient has a fistula in the right forearm, which arm do you draw from?

left arm

200

45% of blood is?

Formed Cellular Elements

200

Droplet precautions are designed to do what?

Reduce the risk of droplet transmission of infectious agents

200

You are asked to draw an ammonia level. What color tube and what does it require?

lavender top on ice
200

Cyanotic means?

Bluish skin color due to lack of oxygen

200

The doctor orders a Vit B6, you look up the test and realize it has to be protected from light. What do you do?

Wrap in tinfoil or put in amber transport tube and bag

300

What additive is in the mint green top?

sodium or lithium heparin

300
What does CDC stand for?

Centers for Disease Control and Policy

300

You are asked to draw the following test: hematocrit, albumin, creatine what is the order of draw?

green and then lavender

300

What is Fibrinogen?

The protein from which fibrin is formed/generated in normal blood clotting.

300

You are working in an outpatient clinic. A young female in her 20's comes in and insists she needs a butterfly. You take a look at the patients arm and she has a good sized antecubital vein. What do you do?

Explain to the patient that she has good veins and does not need a butterfly. Explain to her that the needle is the same size, it just looks a little different. Let her know you will be as  gentle as possible

400

You receive a wound culture in the lab, what department does it go to?

Microbiology

400

You are working midnights and you go to draw and inpatient. Outside the door is a sign that reads "NPO." The patient asks you for a snack. What do you do?

Inform the patient that they aren't allowed to have anything to eat or drink per the doctor.

400

You respond to a trauma alert in the ER department. The doctor orders an HIV test, CMP, Mag, PT/INR, and CBC with diff. What is the order of draw?

 PT/INR (blue), HIV (gold), CMP, Mag (green), and CBC with diff (purple).

400

Thrombophlebitis is?

Inflammation of a vein with formation of a clot

400

You have a two month old patient come into the outpatient clinic needing a cbc with diff drawn. What tube do you use and how would you collect the blood?

lavender top and heel stick

500

What are antigens?

They are a substance that is able to produce an immune response and will react with a specific antibody. The antibodies will either inhibit or destroy the antigens

500

You are working in an inpatient setting. You are called to a trauma. The patient is unresponsive and doesn't have a left arm. There are IV's running through the right antecubital vein. How do you identify the patient and where do you draw from?

Ask a nurse or family member to verify date of birth and name. Draw below the IV on the right arm.

500

An outpatient comes to the clinic needing a copper, zinc (Heavy metals) drawn. What tubes do they go in?

Special navy blue tops, that are metal free

500

What is an indirect infection?

An infection transmitted through body fluids to blood

500

A septic patient requires blood cultures and a lactic acid. How do you prep the bottles/patient and what is the order of draw for these tests?

Clean the tops of the bottles with alcohol, clean the patient's arm with alcohol and then chloroprep. Allow for it to dry completely. Perform the draw. Blood cultures and then lactic acid.