Additives in Tubes
Parts of the Heart
Order of draw
Veins/Arteries
Needles
100

Contains no additives

The glass red topped tube contains:

100

Epicardium

The outermost layer of the heart is the what?

100

What is the correct order of draw?

Citrate, heparin, EDTA, fluoride

100

The median cubital

The vein most commonly used for venipuncture is what?

100

21 gauge

Which of the following is the smallest needle?

200

Contains heparin

The green topped tube contains:

200

Atrium

The upper receiving chamber of the heart is the what?

200

A phlebotomist has orders for following tests:CBC, chemistry panel, lead, and a toxicology screen via capillary puncture. Which of the following should be collected first?

Lavender tube top

200

Hematoma

Blood that has seeped from a vein into tissue is called?

200

Put it into a sharps container, after activating needle safety device, immediately after withdrawing it from a patient.

What is the proper way to dispose of a needle?

300

 Contains SPS or ACD

The yellow tube contains:

300

The right atrioventricular valve & tricuspid valve

Which valve separates the right atrium and the right ventricle to prevent the backflow of blood?

300

How can a phlebotomist distinguish whether a collection tube contains serum or plasma?

SST in the collection tube indicates plasma

300

Have thinner walls/carry blood under lower pressure/maybe be closer to the surface of the skin

Compared to arteries, veins what?

300

You receive an order for a blood gad on a 10 day old baby in the pediatric unit. You check your phlebotomy cart for the following equipment:

Natelson tube and plastic end caps

400

Grey topped tube

Which tube contains sodium fluoride and potassium oxalate?

400

The aortic valve & pulmonary valve

What are the semilunar valves?

400

A phlebotomist needs to collect a PT from a patient with a difficult vein. Which of the following is the best tube for the draw?

Light blue
400

To the heart from the lung

The pulmonary vein will carry blood where?

400

An extremely obese patient with tiny, virtually nonpalpable veins requires a CBC. The best option for obtaining the blood sample is:

Dermal puncture using a microtainer tube

500

Lavender topped tube

What tube contains EDTA?

500

The mitral/bicuspid valve & tricuspid valve

What are the atrioventricular valves?

500

You are on your last patient for the AM draws only to find that you have almost depleted your supply of tubes. The order for a CBC and electrolytes, and you only have lavender and red tops left on your tray. The proper course of action is to:

Draw one lavender tube for Hematology and one red top tube for Chemistry

500

Arterial blood

What is the best sample to determine blood pH and blood gases?

500

Burrs, expiration date, and bevel facing up

A phlebotomist must inspect the needle for what?

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