Order of Draw
Venipuncture Basics
Specimen Handling
Infection Control & Safety
Special Collections
100

When is the sterile blood culture tube or bottle drawn?

This tube/bottle is usually drawn first when blood cultures are ordered.

100

Most commonly used vein for venipuncture

Median Cubital Vein

100

These tubes must be gently inverted after collection to mix additives

Additive Tubes

100

These precautions are used for all patients regardless of diagnosis

 Standard Precautions

100

Heel punctures on infants should generally be performed on this area of the foot.

Medial or Lateral Plantar surface of heel

200

What is the coagulation tube and what additive does it contain?

Light Blue Tube - Sodium Citrate

200
The tourniquet should not remain on the patient's arm longer than this amount of time

One Minute

200

This specimen conditon can falsley elevate potassium results

Hemolysis

200

Federal Agency that enforces workplace safety regulations

OSHA

200

This test measures blood glucose over a period of time after glucose dose

Glucose Tolerance Test (GTT)

300

Which tube commonly contains EDTA and used for Hematology testing?

Lavendar (Purple) tube

300

What needle gauge is commonly used for routine adult venipuncture?

21 or 22 gauge

300
Specimens requiring chilling are often transported in this type of container

Ice Slurry

300

Needles must be immediately placed into this type of container after use

Sharps Container

300

Blood cultures are collected using this type of technique ton prevent contamination

Aseptic Technique

400

Which tube is drawn after serum tubes BUT before EDTA tubes in the CLSI order of draw?

The Green Tube

400

What action should be taken immediately if patient begins fainting during a blood draw?

withdraw the needle and make sure patient is safe from injury

400

The laboratory term for the liquid portion of blood

Serum

400

Which hand hygiene method is preferred when hands are visibly soiled 

Washing hands with soap and water

400

Therapeutic drug monitoring often requires collection at this specific time relative to medication dosing

Peak or Trough time

500

Failure to follow Order of Draw can lead to this type of laboratory error.

Additive carryover or specimen contamination

500

The term that describes the rupture of red blood cells during specimen collection or handling?

Hemolysis

500

Test commonly requires protection from light using amber tubing or foil wrap

Bilirubin Testing

500

What increases the risk of needlestick injury

Recapping a used needle

500

This anticoagulant is found in blood bank tubes and helps preserve red blood cells

EDTA