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To prevent venous reflux (evacuated tube contents flowing back into the vein) you should release the tourniquet (SELECT ALL THAT APPLY) A) after the needle is in the vein but before the first tube is engaged. B) while the first tube is filling. C) while the last tube is filling. D) after the needle is removed from the vein.

A patient comes into the lab to have a platelet function test done. What evacuated blood collection tube would you use for this test? A) Sodium citrate B) Sodium fluoride C) Sodium heparin D) No additives

A hematoma may form if the tourniquet: A) is tied too tightly. B) is tied upside down. C) is released before removing the evacuated tubes from the holder. D) is not released before the needle is removed from the vein.  

To dispose of the phlebotomy equipment after the procedure you: A) Remove the used needle and keep the rest of the equipment. B) Place the entire unit into the sharps container immediately. C) Snap the safety device on the needle and dispose of it in the sharps container. D) Snap the safety device on the needle and dispose of the entire unit in the sharps container.  

When describing a needle, the gauge refers to A) length. B) outside diameter. C) bore size. D) none of these.

What type of blood collection container and additive are appropriate for collecting blood from an infant’s heel for a bilirubin test? A) Capillary collection container, EDTA B) Microcollection container, SST C) Microhematocrit container, EDTA D) Microcollection container, Amber SST  

     The site illustrated above is not acceptable for dermal punctures. What is the medical term for the bone that could be punctured if a dermal puncture is performed here? A) Radius B) Calcaneus C) Metatarsal D) Patella

   Why are the tubes being inverted in this image? A) To mix the anticoagulants. B) They are serum collection tubes. C) These tubes are stored inverted. D) These tubes are for dermal collections

The barrel of a syringe measures blood in: A) microliters. B) centimeters. C) milliliters. D) decimeters.

A requisition indicates that you must collect blood for blood type and screen, electrolytes, and coagulation tests. Select the order in which you will collect tubes for these tests. A) Blood type and screen, coagulation tests, electrolytes B) Coagulation tests, blood type and screen, electrolytes C) Coagulation tests, electrolytes, blood type and screen D) Electrolytes, blood type and screen, coagulation tests