NHA CPT Routine Blood Collections| QUESTIONS AND ANSWERS| GRADED A

Dermal puncture refers to collection from where? Correct Answer: Heel or capillary A phlebotomy technician is preparing to perform a collection for a CBC for a 7-month-old infant. Which of the following equipment will the technician need? Correct Answer: Lancet with a 2mm depth and an EDTA micro collection container A phlebotomy technician is performing a venipuncture for a potassium test, CBC, and glucose test. The technician has left the tourniquet on the patient for 3 min. What should the technician expect? Correct Answer: High potassium level A phlebotomy technician is performing a venipuncture on a patient. When the technician inserts the needle, the vein collapses. What is a possible cause? Correct Answer: Applying the tourniquet too tightly A phlebotomy technician is drawing blood through a hematoma. Which of the following errors should the technician expect to see in the specimen? Correct Answer: Hemolysis occurs when red blood cells are ruptured by drawing through an existing hematoma What type of tube would be used for a bilirubin test? Correct Answer: Serum tube What type of tube should be used for a cold agglutinin titer? Correct Answer: Serum tube What type of tube should be used for a CBC? Correct Answer: Lavender What type of tube should be used for a PTT? Correct Answer: Light blue A phlebotomy technician is performing a venipuncture for a lipid profile, WBC, and a clotting time test. What is the correct order of draw? Correct Answer: The technician should use the light blue tube, the SST tube, and then the lavender tube to prevent cross-contamination. If a draw is not possible on one side of the patients body and you may choose between the opposite basilic or opposite dorsal hand, which is the best site? Correct Answer: Dorsal hand A phlebotomy technician is preparing to perform a venipuncture test for coagulation, WBC, pregnancy, and random glucose. Which of the following tubes should the technician choose? Correct Answer: Sodium citrate, SST, and EDTA The use of povidone-iodine can contaminate the site and cause falsely elevated levels of what? Correct Answer: Potassium The hub side of the double ended needle is there to prevent what? Correct Answer: Blood from dripping when tubes are chagned