CPCT Domain 4: Phlebotomy Welcome to your CPCT Domain 4: Phlebotomy 1. CPCT: Phlebotomy When drawing blood from a patient with a history of syncope, what is the most appropriate action to ensure patient safety? A. Ask the patient to stand during the procedure B. Perform the venipuncture as quickly as possible C. Have the patient lie down or sit in a chair with arm support D. Increase the tourniquet time to minimize the number of venipuncture attempts None 2. CPCT: Phlebotomy Which anticoagulant is commonly used in tubes for hematology tests because it preserves the shape of blood cells? A. Heparin B. Sodium citrate C. EDTA D. Sodium fluoride None 3. CPCT: Phlebotomy What is the proper order of draw for capillary blood collection? A. EDTA tubes, serum tubes, heparin tubes B. Serum tubes, EDTA tubes, heparin tubes C. Heparin tubes, serum tubes, EDTA tubes D. Blood gas syringes, EDTA tubes, serum tubes None 4. CPCT: Phlebotomy Which vein is typically the first choice for venipuncture due to its size and accessibility? A. Basilic vein B. Cephalic vein C. Median cubital vein D. Dorsal hand veins None 5. CPCT: Phlebotomy What is the primary reason for inverting anticoagulant tubes immediately after drawing blood? A. To mix the blood with the anticoagulant and prevent clotting B. To increase the blood flow into the tube C. To separate the serum from the cells D. To cool down the blood sample None 6. CPCT: Phlebotomy During a blood culture collection, what is the most critical step to prevent contamination? A. Applying the tourniquet tightly B. Using an alcohol swab for skin antisepsis C. Scrubbing the puncture site with chlorhexidine for at least 30 seconds D. Inverting the tubes several times after collection None 7. CPCT: Phlebotomy What is the maximum amount of time a tourniquet should be applied during venipuncture to avoid hemoconcentration and alterations in test results? A. 1 minute B. 2 minutes C. 3 minutes D. 5 minutes None 8. CPCT: Phlebotomy In phlebotomy, the term "fistula" refers to what? A. A type of anticoagulant B. A surgical connection between an artery and a vein C. A vein that is only used for venipuncture D. A tool used for blood collection None 9. CPCT: Phlebotomy When is the use of a butterfly needle most appropriate in phlebotomy? A. When drawing blood from a large, easily accessible vein B. When a large volume of blood is needed C. For patients with difficult or small veins D. When using a tourniquet is not possible None 10. CPCT: Phlebotomy What is the most appropriate action if a patient develops a hematoma during venipuncture? A. Continue the draw until the tube is full B. Immediately remove the needle and apply pressure to the site C. Apply a tourniquet above the site to stop the bleeding D. Ask the patient to elevate their arm above their head None 11. CPCT: Phlebotomy What is the primary reason for asking a patient to make a fist during venipuncture? A. To distract the patient from the procedure B. To increase venous pressure and make veins more prominent C. To test the patient's strength D. To reduce the pain of needle insertion None 12. CPCT: Phlebotomy Which of the following is the primary consideration when choosing a venipuncture site to prevent infection? A. The site with the least visible veins B. The site that is most convenient for the phlebotomist C. The site that has been used less frequently D. The site furthest from visible bruises and scars None 13. CPCT: Phlebotomy Why is it important to fill blood collection tubes in the correct order of draw? A. To minimize patient discomfort B. To prevent carry-over of additives between tubes that could affect test results C. To ensure all tubes are used D. To speed up the collection process None 14. CPCT: Phlebotomy What is the most appropriate course of action if a patient exhibits signs of nervousness or fear about the venipuncture procedure? A. Proceed with the draw as quickly as possible without acknowledgment B. Use a larger needle to speed up the process C. Engage in conversation to distract them and explain the steps calmly D. Tell the patient to look away and not move None 15. CPCT: Phlebotomy What is the significance of the angle at which the needle is inserted during venipuncture? A. A higher angle ensures a quicker procedure B. A lower angle reduces the risk of penetrating the opposite vein wall C. A variable angle is used to determine the patient's pain threshold D. The angle of insertion affects the color of the blood None 16. CPCT: Phlebotomy In pediatric phlebotomy, what is the preferred site for capillary blood collection? A. The radial artery B. The heel C. The tip of the finger D. The antecubital fossa None 17. CPCT: Phlebotomy When collecting a blood sample for a glucose tolerance test, what is an essential patient instruction? A. To fast for 8-12 hours prior to the test B. To consume a high-sugar meal before the test C. To exercise vigorously before the test D. To drink caffeine to stimulate glucose production None 18. CPCT: Phlebotomy How should the phlebotomist proceed if the first attempt at venipuncture is unsuccessful? A. Retry immediately in a nearby vein B. Apply more pressure with the tourniquet and retry in the same spot C. Remove the needle, apply pressure, reassess, and if appropriate, attempt once more at a different site D. Continue to manipulate the needle in the vein to find the correct position None 19. CPCT: Phlebotomy What is the rationale behind using a syringe for venipuncture instead of a vacuum tube in some cases? A. To collect a larger volume of blood B. To allow for a slower, more controlled collection in fragile veins C. To increase the speed of the draw D. To reduce the need for multiple tube changes None 20. CPCT: Phlebotomy Which factor does not influence the selection of the gauge of the needle for a blood draw? A. The age of the patient B. The viscosity of the blood C. The color of the tube stopper D. The volume of blood to be collected None 1 out of 20 Time is Up! Time's up
