VENIPUNCTURE EQUIPMENT

Question 1

consists of a double-pointed needle to puncture the stopper of the collection tube, a holder to hold the needle and blood collection tube, and color-coded evacuated tubes.

Answer 1

Evacuated Tube System

Question 2

made of rigid plastic and may be designed to act as a safety shield for the used needle.

Answer 2

Needle/Tube Holder

Question 3

Tubes used for blood collection

Answer 3

evacuated tubes

Question 4

prevent clotting by binding calcium or inhibiting thrombin in the coagulation cascade.

Answer 4

Anticoagulants

Question 5

citrates, and oxalates are the most common anticoagulants that work by binding calcium.

Answer 5

Ethylenediaminetetraacetic acid (EDTA

Question 6

prevents clotting by inhibiting the formation of thrombin necessary to convert fibrinogen to fibrin in the coagulation process.

Answer 6

Heparin

Question 7

lavender / pink top
Dry K2 and liquid K3
for routine hematology, HBA1c
Pink = for blood bank

Answer 7

EDTA

Question 8

blue top
3 concentrations
for coagulation testing
3-4x inversions

Answer 8

Sodium Citrate

Question 9

dark green (non-gel) and light green (gel)
2 anticoagulants
sodium heparin
lithium heparin

Answer 9

Heparin

Question 10

grey top
2 forms:
sodium fluoride + potassium oxalate
sodium fluoride + K2 EDTA
for glucose testing

Answer 10

Fluoride

Question 11

containing buffered sodium citrate are used for Westergren sedimentation rates. They differ from light blue top tubes in that they provide a ratio of blood to liquid anticoagulant of 4 to 1. Specially designed tubes for Westergren sedimentation rates are available

Answer 11

Black Top

Question 12

containing the anticoagulant sodium polyanethol sulfonate (SPS) are used to collect samples to be cultured for the presence of microorganisms.

Answer 12

Yellow Top

Question 13

Order of Draw

Answer 13

1. SPS (Yellow)
2. Sodium Citrate (light blue)
3. Red
4. Clot activator (Gold)
5. Heparin (Green)
6. EDTA (Lavender/ Pink)
7. Fluoride / ESR (Grey/ Black)

Question 14

• provides a safe means for blood transfer without using the syringe needle or removing the tube stopper

Answer 14

Blood Transfer Device

Question 15

used for the infusion of IV fluids and for performing venipuncture from very small or very fragile veins often seen in children and in the geriatric population.

Answer 15

Winged Blood Collection Set - “Butterflies”

Question 16

used during venipuncture to make it easier to locate patients’ veins.

Answer 16

Tourniquet

Question 17

primary antiseptic used for cleansing the skin in routine phlebotomy

Answer 17

70% isopropyl alcohol

Question 18

used for applying pressure to the puncture site after the needle has been removed.

Answer 18

2x2-inch gauze pads

Question 19

is placed over the puncture site when the bleeding has stopped.

Answer 19

bandage or adhesive tape/micropore