Phlebotomy Test

To what does the "gauge" of the needle relate?

• Length

• Strength

• Diameter

• Volume

Tubes are designed by the manufacturer to be "short draws" are

• tubes without anticoagulants

• always smaller than regular tubes

• speciifcally made to draw a smaller amount

• bad for coagualtion tests

Which of the following additives can be found in royal blue top collection tubes?

• Oxalate

• Fluoride

• EDTA

• Citrate

What is the advantage of collecting STAT chemistries in a green top tube?

• Plasma specimens can be centrifuged right away

• The TAT for results is much shorter

• Whole blood tests can be performed right away

• All of the above

The headspace in an evacuated tube is

• A consistent amount of air space left when a tube is filled properly

• Room left in a tube if the tube is not completely filled with blood

• Space inside a colored tube stopper that should not touch the blood

• Due to premature depletion of tube vacuum when a vein is missed

Plastic red top tubes used to collect blood specimens contain

• Preservatives

• Anticoagulants

• No additives

• Clot activators

Which of the following is a disinfectant?

• 5.25% Sodium Hypochlorite

• Chlorhexidine Gluconate

• Benzalkonium Chloride

• Hydrogen Peroxide

Which blood specimen additive can inhibit the metabolism of glucose by cells?

• Oxalate

• Sodium Flouride (NaF)

• Heparin

• EDTA

Antispeptics are

• Safe for use on human skin

• Used to kill pathogenic microbes

• Corrosive chemical compounds

• Used on surfaces and instruments

If a blood pressure cuff is used for venipuncture in place of a tourniquet, the pressure used must be

• Equal to the patient's venous pressure

• Equal to the patient's systolic pressure

• Between the diatstolic and systolic pressure

• Below the patient's diastolic pressure