Phlebotomy Unit 5

1/100 meter is

Centimeter

1/1000 liter is

Milliliter

1/1000 of a gram

Milligram

1000 x gram

Kilogram

Metric Temperature Units

Celcius

1cc = ___

1 mL

10 mL= ___

2 teaspoons

What would be the dimesions of a box on each side to be able to hold 1 mL?

1 cm X 1 cm X 1 cm

Name parts of a Syringe

Beevel, Needle Shaft, Hub, Barrel, Plunger

What is the recommended needle length for a syringe blood draw?

1- 1 1/2 inch inch needle length

What is the most common needle gauage for venipuncture with a syringe?

22-20 gauge

Why would you pick 23-20 gauge of needle?

Does not destroy red blood cells or cause pain or discomfort.

What is the best needle gauge to use on children when drawing with a syringe?

23 gauge

When drawing blood, the beevel of the needle faces

upward

What is the purpose of thioxtropic gel in an evacuated tube?

Forms a barrier between blood cells and serum or plasma, preventing contamination and allowing easy seperation.

When drawing blood, the angle formed between the skin surface and the needle is about

15-30 degrees

The maximum number of times and individual phlebotomist can attempt a venipuncture on a patient for a sample

2 times

The material that coats tubes and needles to improve sample quality or ease in drawing blood

Silicon

When using a butterfly collection system, the angle between the skin and the needle ___ degrees

5 degrees

What gauge is the next biggest needle gauge to 21 size

20 gauge

What gauge is the next smallest needle gauge to a 21 size

22 needle gauge

What is the purpose of a Hemagard stopper on an evacuated tube?

Stops the blood from flowing back to contain aerosolsthat might scattered when cap is removed.

What are the advantages of a butterfly system?

Easy for smal veins and children. Has evacuated system

Disadvantage of a buterfly system

They are expensive,more likely for accidental stick

A tourniquet should be applied how many inches above the venipunture

3-4 inches above venipuncture site, no longer than a minute. No longer than a minute

Hemostasis

Coagulation process causing the formation of the blood clot when injury occurs and then lysing of the blood clot.

Steps in the formation of a blood clot

1. platelets
2. factor activation
3. calcium
4. Phrombin to thormbin
5. fibrinogen to fibrin
6. clot forms

Light blue

Sodium Citrate

Yellow (Solution A or B)

Acid Citrate Dextrose

Yellow (Blood Cultures)

Sodium Polythanethol Sulfate

Lavender

EDTA

Green

Heparin

Royal Blue with additive

Heaprin, EDTA

Royal Blue without additive

None

Red

None

Red/Black

Clot activator gel

Yellow/black or orange

Thrombin (orange) Sodium Citrate Buffed (Black)

Place the tubes in the correct order of draw

Yellow (Blood culture)

Light Blue

Red, Red/Black

Green

Lavender

Gray

Serum is desired

Use Red, Red/Black tube

Best for heamatology tests

Lavender

Contains heparin

Dark/light green

Contains no additive

Red

Requires a 1:9 ratio of anticoagulant to blood

Light blue

Anticoagulant that preserves the cell morphology for a differential

EDTA

Fluid portion of anticoagulanted whole blood

Plasma

Anticoagulant with glycolytic inhibitor

oxalate

Contains EDTA

Lavender, royal blue, brown/tan

Requires a full tube of blood

Blue

Used for coagulation tests

Blue

Contains oxalate

Gray

The first sample drawn in the order of draw

Yellow/ Blood culture

Tube commonly used glucose testing

Gray

Prevents the conversion of prothrombin to thrombin

Green

Device used to puncture the finger or heel is called an

Lancet

A name given to the type of small tube in which the blood is collected after a fingerstick or a heelstick

Microtainer

The blood test that is collected on filter paper is known as

Newborn Screen