Phlebotomy Chapter 4 Questions and Answers 100% Pass

Phlebotomy Chapter 4 Questions and Answers 100% Pass 1. A Phlebotomy technician is performing a venipuncture for a bilirubin test, a cold agglutinin tilter, a CBC and a PTT test. Which of the following tubes should the technician use? - Correct Answer ️️ -One light blue, two serum tops, and one lavender tube. The technician should use two serum tubes because bilirubin should be protected from light and the cold agglutinin test must be warm. The technician should use the light blue tube for the PTT and the lavender tube fro the CBC. 2. A phlebotomy technician is preparing equipment for a blood draw. The technician notices that one of the tubes on the tray is expired. Which of the following actions should the technician take to ensure accurate test results? - Correct Answer ️️ -Use a new tube from the front of the shelf. 3. A phlebotomy technician is preparing to collect a variety of blood specimen. Which of the following specimens should the technician collect first? - Correct Answer ️️ -Blood culture. To avoid cross-contamination the technician should always collect blood culture specimen first. 4. 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 2-mm depth and an EDTA microcollection container. The technician should use a lancet that is no deeper than 2 mm for a patient under 1 year of age. 5. A phlebotomy technician is performing a dorsal venipuncture with the needle at a 15" angle, resulting in slow blood flow and the development of a hematoma. Which of the following should the technician identify as the cause of the hematoma . - Correct Answer ️️ -Needle completely through the vein. When the needle goes completely through the vein, if causes bleeding on both sides, and a hematoma will form. 6. A phlebotomy technician is using povidone-iodine during a capillary specimen collection. Which of the following outcomes should the technician expect? - Correct Answer ️️ -Increased potassium level. The use of povidone-iodine can contaminate the site and cause falsely elevated potassium levels. 7. A phlebotomy technician is performing a venipuncture. After removing the needle cap, which of the following steps should the technician take? - Correct Answer ️️ - Anchor the vein 2.5 to 5 cm (1 to 2 in) below the puncture site. 8. A phlebotomy technician is performing a venipuncture on a patient's deep median cubital vein. Which of the following methods of withdrawal should the technician use? - Correct Answer ️️ -Withdraw with the bevel up at a 25 to 30 angle