Quiz: Phlebotomy Exam Questions!

100 Questions | Total Attempts: 3229

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Quiz: Phlebotomy Exam Questions!

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Questions and Answers
  • 1. 
    The most important step in the performance of a venipunture is_______.
    • A. 

      Selecting the needle size

    • B. 

      Collecting enough sample

    • C. 

      Identifying the patient

    • D. 

      Positioning the patient

  • 2. 
    The body system that filters blood to eliminate waste, helps maintain blood pH, and regulates water balance is the _______system.
    • A. 

      Respiratory

    • B. 

      Urinary

    • C. 

      Nervous

    • D. 

      Cardiovascular

  • 3. 
    Which of these needles has the smallest bore or diameter
    • A. 

      15 gauge

    • B. 

      23 gauge

    • C. 

      20 gauge

    • D. 

      22 gauge

  • 4. 
    A complete bood count (CBC) is collected in an evacuated tube with a ____colored stopper
    • A. 

      Blue

    • B. 

      Lavender

    • C. 

      Red

    • D. 

      Black

  • 5. 
    When performing a routine skin puncture, the side should be alcohol cleaned and___________.
    • A. 

      Rinsed with soap and water

    • B. 

      Followed by an iodine cleaning

    • C. 

      Allowed to air dry on its own

    • D. 

      Blown dry to expedite things

  • 6. 
    When using two glass slides to make a blood smear, the recommended angle of contact between them is approximately _______ degrees.
    • A. 

      3

    • B. 

      10

    • C. 

      30

    • D. 

      90

  • 7. 
    An evacuated tube system for venipuncture consists of ALL BUT WHICH ONE of these components?
    • A. 

      Vacuum collection tube with color coded stopper

    • B. 

      Special plastic holder known as a adapter

    • C. 

      Conpartmentalized hard shell collection tray

    • D. 

      Double sided, multi-sample needle with slanted bore

  • 8. 
    Confirming an outpatient's name and ____________provides two important identifiers for blood collection.
    • A. 

      Blood type

    • B. 

      Address

    • C. 

      Date of birth

    • D. 

      Appointment time

  • 9. 
    To draw blood from a patient with an open IV line, the selected site should be located_____.
    • A. 

      Below the IV

    • B. 

      In the IV tubing

    • C. 

      Above the IV

    • D. 

      In the antecubital fossa

  • 10. 
    Why does a multi-sample needle have a rubber sleeve over the end of the needle that is inserted into the collection tube?
    • A. 

      To make it easier to push tubes on and off

    • B. 

      To decrease the cance of patient needle injury

    • C. 

      To prevent blood from seeping into the tube holder (adapter)

    • D. 

      To keep bacteria from entering the collection tubes

  • 11. 
    Squeezing the finger too vigoroulsly during capillary blood collection can cause erroneous lab test results due to _________.
    • A. 

      Skin contamination

    • B. 

      Blood cell concentration

    • C. 

      Clotting at the punture site

    • D. 

      Dilution with tissue fluid

  • 12. 
    The smallest veins of the human anatomy are known as
    • A. 

      Capillaries

    • B. 

      Arteries

    • C. 

      Venules

    • D. 

      Arterioles

  • 13. 
    Treating ALL lab speciments as if they are hazardous and infectious is the basis for________.
    • A. 

      Patient quarantine systems

    • B. 

      Quality assurance programs

    • C. 

      Universal precautions

    • D. 

      Hazardous waste controls

  • 14. 
    OSHA requires training and educational information be given to phlebotomists on all but which one of the following topics
    • A. 

      Blood borne pathogens

    • B. 

      Preventing identification errors

    • C. 

      Needle safety and handling

    • D. 

      Glass and sharps disposal

  • 15. 
    Which of these elements in blood is bound by EDTA in a collection tube to prevent clotting?
    • A. 

      Potassium

    • B. 

      Magnesium

    • C. 

      Calcium

    • D. 

      Sodium

  • 16. 
    The hands of the phlebotomist should be washed _________.
    • A. 

      Before specimen collection

    • B. 

      After speciment collection

    • C. 

      Even though gloves are used

    • D. 

      All answers are correct

  • 17. 
    If a glass tube breaks during centrifugation, what sequence of actions would be best?
    • A. 

      Evacuate the room, open the lid and remove the glass with forceps

    • B. 

      Open the lid, stop the centrifuge and remove the galss wearing gloves

    • C. 

      Bring the centrifuge to a stop, open the lid and use forcepts to remove any glass

    • D. 

      Leave the room until the centrifuge stops; return and remove the glass safely

  • 18. 
    Which of these is a common component of disinfectant solutions used for collection of blood cultures
    • A. 

      Chlorhexidine

    • B. 

      Methanol

    • C. 

      Glutaraldehyde

    • D. 

      Lidocaine

  • 19. 
    If the information on a inpatients identification bracelet is NOT identical to the informaiton on the phlebotomy test requisiton and labels for that patient, the phlebotomis should_______.
    • A. 

      Telephone the physician for help in identifying the patient

    • B. 

      Refrain from drawing the sample until ID is resolved

    • C. 

      Change the ID band information to match the requisition

    • D. 

      Ignore the identification bracelet informaiton and proceed

  • 20. 
    Before performing a venipuncture, why will a phlebotomist tie a tourniquet?
    • A. 

      To insure that thrombosis occurs

    • B. 

      To elevate the blood pressure

    • C. 

      To help locate veins in the antecubital

    • D. 

      To dull the pain at the punture site

  • 21. 
    When a 5 milliliter evacuated tube appears to extact blood with too much force from a weak vein (causing the vein to collaps), the phlebotomist might have better results using a ________.
    • A. 

      Larger collection tube

    • B. 

      Tighter tourniquet

    • C. 

      Pediatric sized tube

    • D. 

      Larger bore needle

  • 22. 
    To collect blood from a prothrobin time test, use and evacuated tube with ___________colored stopper.
    • A. 

      Light blue

    • B. 

      Red

    • C. 

      Green

    • D. 

      Red and black

  • 23. 
    To collect blood without an additive, use an evacuated tube with a ___________color stopper.
    • A. 

      Lavender

    • B. 

      Red

    • C. 

      Blue

    • D. 

      Black

  • 24. 
    One beside (point of care) laboratory test that is used before surgery to check whether a patient has functional platelets is known as the ___________test.
    • A. 

      Prothrombin time

    • B. 

      Bleeding time

    • C. 

      Partial thromboplastin time

    • D. 

      Complete blood count

  • 25. 
    Paul phlebotomist draws a CBC on patient fred jones, labels the lavender top tube and removes his gloves to go to lunch.  Before he can leave, patient sam smith is sent to the phlebotomist to have a full lipid profile drawn.  Paul puts on a brand new pair of gloves and draws a red top tube.  He records the # hours postrandial.  What step is missing?
    • A. 

      Hands weren't washed between

    • B. 

      Hours postprandial aren't needed

    • C. 

      Red top tube is incorrect

    • D. 

      Lavender tube is incorrect