Certified Phlebotomy Technician Exam Equipment and Supplies 2

Question 1

Which tube should be collected first when using the correct order of draw with an ETS?

Accepted Answer

Blood culture bottles

Answer

EDTA (lavender)

Answer

Sodium citrate (light blue)

Answer

SST (gold)

Question 2

What is the function of EDTA in a lavender-top tube?

Accepted Answer

Chelates calcium to prevent coagulation

Answer

Activates clotting factors

Answer

Preserves glucose levels

Answer

Inhibits bacterial growth

Question 3

A tourniquet should be released within how many minutes after application?

Accepted Answer

1 minute

Answer

30 seconds

Answer

3 minutes

Answer

5 minutes

Question 4

Which of the following needle disposal containers is OSHA-approved for sharps disposal?

Accepted Answer

Puncture-resistant, leak-proof sharps container

Answer

Cardboard box lined with a plastic bag

Answer

Standard red biohazard bag

Answer

Any lidded plastic container

Question 5

What does a green-top tube typically contain?

Accepted Answer

Heparin (lithium or sodium)

Answer

EDTA

Answer

Sodium citrate

Answer

No additive

Question 6

When a winged collection set (butterfly) is used, what must be done before filling a sodium citrate tube?

Accepted Answer

Fill a discard tube first to purge air from the tubing

Answer

Invert the tube 10 times

Answer

Apply a second tourniquet

Answer

Remove the needle and reinsert it