Phlebotomy Order of Draw Essentials

The video tutorial explains the importance of the order of draw in blood collection to prevent cross-contamination and ensure accurate test results. It covers the different types of blood tubes, their additives, and the specific tests they are used for. The tutorial also provides helpful tips for labeling and handling tubes, as well as an interactive section to reinforce learning.

What is the primary reason for adhering to the order of draw in blood collection?

• To prevent cross-contamination of additives between tubes

• To minimize patient discomfort

• To comply with patient requests

• To reduce the time needed for drawing blood

Which tube is typically used first in the order of draw?

• SST tube

• Blood culture tube

• PST tube

• Lavender top tube

What does a red top tube generally indicate?

• Contains sodium citrate

• Contains EDTA

• Contains no additives

• Contains heparin

What is the main difference between an SST and a PST tube?

• The color of the tube stopper

• Presence of fibrinogen in PST only

• Type of chemical tests performed

• Speed of blood clotting

In what scenario would a red stopper tube potentially be used before a light blue one?

• When blood cultures are not required

• When using a butterfly needle to avoid air contamination

• When only serum tests are needed

• When the patient requests fewer tubes used

What type of tests are typically conducted with a lavender top tube?

• Chemistry tests

• Glucose level tests

• Hematology tests

• Coagulation studies

Which tube contains sodium heparin?

• Gray stopper tube

• Green stopper tube

• Green PST tube

• Royal blue tube

What is the purpose of the gel in an SST tube?

• To prevent glycolysis

• To preserve DNA

• To accelerate clotting

• To separate plasma

What information is crucial when manually labeling a blood sample tube?

• Type of test ordered

• Nurse's name

• Time and date of the draw

• Patient's favorite color

Which tube is used for DNA studies and paternity testing?

• Yellow top tube

• Green PST tube

• Royal blue top tube

• Gray top tube