Mara-Phleb Mock Exam 81-90

A phleb tech is preparing to perform a blood draw on a patient who had a left-sided mastectomy and has an IV on her right side. In which of the following locations should the technician perform the draw?

• Left median cubital vein

• Above the IV

• Left dorsal vein

• Below the IV

A phleb tech is assembling the equipment he will need for collecting donor units of blood. Which of the following needle sizes should the technician select?

• 23-gauge

• 22-gauge

• 21-gauge

• 18-gauge

A phleb tech observes a hematoma developing at the site of a venous blood draw. Which of the following actions should the tech take?

• Observe the site to see if the hematoma worsens

• Ask the patient to apply pressure to the area

• Release the tourniquet and stop the draw

• Call for a nurse to assess the patient's condition

A phleb tech is preparing to collect a patient's troponin T level. Which of the following troponin T levels should the tech immediately report to the provider?

• 0.3 ng/mL

• 0.2 ng/mL

• 0.03 ng/mL

• 0.02 ng/mL

For which of the following reasons should a phleb tech centrifuge a serum specimen before transport to an outside reference lab?

• Cells must be separated from the serum

• Cells will hemolyze

• Platelets must be separated from the serum

• White blood cell levels will be elevated

A phleb tech is collecting a blood specimen from a patient. To avoid hemolysis, which of the following precautions should the tech take?

• Leave the tourniquet in place for 90 seconds

• Ensure the alcohol at the insertion site has dried

• Shake the tube after filling it with the patient's blood

• Readjust the needle after insertion

A phleb tech should identify that the order of draw for capillary collections is different from venipuncture for which of the following reasons?

• The risk of hemoconcentration

• An increased rate of coagulation

• Smaller size of specimens

• Additive cross-contamination

Which of the following actions should a phleb tech take to locate a vein using the warming technique?

• Heat a clean towel to 45° C

• Wrap the warm towel around the site for 1 to 2 min

• Encase the warm towel in a plastic bag

• Ask the patient to rinse her hands in warm water for 2 min

A phleb tech is preparing to draw blood from a patient who has scabies. Which of the following pieces of PPE should the tech use?

• Goggles

• N95 respirator

• Gown

• Face shield

A phleb tech is collecting a blood specimen from a patient to measure the trough level of a medication. The tech should collect the specimen at which of the following times?

• Within 15 min before the patient receives the next dose of medication

• Less than 15 min after the patient receives the next dose of medication

• At least 2 hr after the patient receives the next dose of medication

• Approx halfway between two doses of the medication