What is the maximum allowable volume of blood that can be collected in one dermal puncture on a 2.2-lb infant? A) 0.5 mL B) 2.5 mL C) 0.25 mL D) 5.0 mL

Which vein is not found in the antecubital area of the arm? A) Basilic B) Cephalic C) Median cubital D) Dorsal arch

Why are spring-loaded devices not recommended for glucose monitoring when collecting a sample into a microcollection container? A) These devices are too large for routine dermal punctures. B) These devices are for patient use only. C) These devices hemolyze all blood samples. D) These devices produce only two or three drops of blood.

While the phlebotomist is collecting blood using the venipuncture method, the holder falls away from the needle. What may have caused this to happen? A) There was not enough vacuum in the tube. B) The patient’s blood pressure was very high. C) The needle and holder were not made by the same manufacturer. D) An artery was punctured instead of a vein.  

Which agency wrote the standard stating that a new tourniquet must be used for every patient? A) CLIA B) HIPAA C) CLSI D) CDC

What will happen if a tourniquet is left on too long? A) Excessive bleeding B) Hemoconcentration C) Infection of the site D) Specimen contamination

In an invasive procedure, why is it important to allow the area to dry thoroughly after cleaning it with an alcohol pad? A) This will prevent scarring due to contact with the alcohol. B) This will prevent hemolysis of the blood due to contact with the alcohol. C) This will prevent an accidental contact with the alcohol. D) This will prevent capillary action.  

During a venipuncture, some blood flows into the evacuated tube and then stops. What may be causing this to happen? A) Any of these B) The needle is too close to a valve. C) The needle might have slipped out of the vein. D) The tube may be expired.

When obtaining a blood specimen using a butterfly setup and a syringe, why is it important to avoid pulling back on the plunger too hard or fast? A) To reduce the chance of ecchymosis B) To avoid hemolysis C) To avoid causing patient pain D) To prevent the formation of petechiae  

Will a dermal puncture cause pain to the patient? A) No B) Yes C) Only dermal punctures on fingers will hurt the patient. D) Only heelstick punctures will hurt the patient.