NCCT Practice Test - Lab Review Part One

50 Questions | Total Attempts: 820

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NCCT Quizzes & Trivia

This is the review questions from the large book for the NCCT MA exam.


Questions and Answers
  • 1. 
    The blood lancet is used for the collection of blood specimens by______.
    • A. 

      Injection

    • B. 

      Suction

    • C. 

      Cutting

    • D. 

      Skin puncture

  • 2. 
    The standard point of the lancet to be used when collecting blood from a newborn heel is ____ in length
    • A. 

      2.4 MM

    • B. 

      3.6MM

    • C. 

      4.7MM

    • D. 

      5.5 MM

  • 3. 
    The most important step in the performance of a venipuncture is _____.
    • A. 

      Correct needle gauge

    • B. 

      Appropriate cleansing agent

    • C. 

      Positively identifying the patient

    • D. 

      Appropriate tourniquet

  • 4. 
    To determine the size of the needle remember the higher the gauge number the _____ the needle
    • A. 

      Longer

    • B. 

      Smaller

    • C. 

      Larger

    • D. 

      Shorter

  • 5. 
    An instrument called a centrifuge ______.
    • A. 

      Freezes specimens

    • B. 

      Heats specimens

    • C. 

      Is used for incubation

    • D. 

      Separates the cellular and liquid portion of the blood

  • 6. 
    Rubber sleeves on an evacuated tube system make it possible for ______.
    • A. 

      Sterilization

    • B. 

      Slower draw of blood

    • C. 

      Multiple use

    • D. 

      Faster draw of blood

  • 7. 
    When cleansing the venipuncture site, it is good practice to:
    • A. 

      Wipe the site back and forth quickly with an alcohol prep

    • B. 

      Blow on the alcohol to dry it so it doesnt burn

    • C. 

      Cleanse the site from the inside out and allow to air dry

    • D. 

      Have the patient wave the arm in the air to dry it faster

  • 8. 
    Preparing for a glucose tolerance test _____ hours before or during the test, the patient should not eat, smoke, drink coffee or alcohol.
    • A. 

      One

    • B. 

      Ten

    • C. 

      One half

    • D. 

      Two

  • 9. 
    During a venipuncture, to secure the needle during insertion into the tube stopper, you need a _____
    • A. 

      Holder

    • B. 

      Sleeve

    • C. 

      Tape

    • D. 

      Ball of cotton

  • 10. 
    In the evacuated blood collection system the evacuated glass tubes come in different sizes, and the stoppers are ____ to denote the typeof additive or lack of one. 
    • A. 

      Striped

    • B. 

      Stamped

    • C. 

      Serrated

    • D. 

      Color coded

  • 11. 
    Which needle gauges are most commonly used for venipuncture?
    • A. 

      24-25

    • B. 

      21-22

    • C. 

      19-20

    • D. 

      16-18

  • 12. 
    When performing a venipuncture, the tourniquet should be wrapped around the arm about three to four inces from where you are going to ___ for a vein.
    • A. 

      Apply soap

    • B. 

      Scrape

    • C. 

      Tap

    • D. 

      Feel

  • 13. 
    When performing a venipuncture, if you have the patient ____ the veins will become more prominent.
    • A. 

      Cough

    • B. 

      Hold their breath

    • C. 

      Make a fist

    • D. 

      Take a deep breath

  • 14. 
    Which of the following is false?
    • A. 

      Veins feel like an elastic tube

    • B. 

      Veins pulsate

    • C. 

      Veins give under pressure

    • D. 

      Veins go different directions

  • 15. 
    Use your index finger when you ____ for a vein.
    • A. 

      Stick

    • B. 

      Scratch

    • C. 

      Palpate

    • D. 

      Inject

  • 16. 
    Arterioles are the smallest type of ____.
    • A. 

      Tendons

    • B. 

      Arteries

    • C. 

      Bones

    • D. 

      Veins

  • 17. 
    The maximum time a tourniquet should be tied on the upper arm while drawing blood is ___.
    • A. 

      4 minutes

    • B. 

      3 minutes

    • C. 

      2 minutes

    • D. 

      1 minute

  • 18. 
    To cleanse the typical venipuncture site, begin at the intended site of the draw and ____.
    • A. 

      Work in a circle to the periphery

    • B. 

      Wipe carefully back and forth

    • C. 

      Cleanse vigorously for 30 seconds

    • D. 

      Use a lifting motion to move away from the skin

  • 19. 
    The venipuncture site should be cleansed with _____.
    • A. 

      A damp solution

    • B. 

      A paper towel

    • C. 

      The back of your hand

    • D. 

      An alcohol prep

  • 20. 
    When using the centrifuge, make sure equal weights are _____.
    • A. 

      Side by side

    • B. 

      Liquid

    • C. 

      Opposite each other

    • D. 

      One space apart

  • 21. 
    The lid to the centrifuge should be kept _____ when in use.
    • A. 

      Closed

    • B. 

      Open

    • C. 

      Ajar

    • D. 

      Lifted

  • 22. 
    When using an evacuated tube for collection of electrolytes use a ____.
    • A. 

      Blue-top tube

    • B. 

      Red-top tube

    • C. 

      Balck-top tube

    • D. 

      Lavender-top tube

  • 23. 
    When collecting blood for a hematocrit test use a ______.
    • A. 

      Lavender-top

    • B. 

      Red-top

    • C. 

      Blue-top

    • D. 

      Yellow-top

  • 24. 
    When collecting blood for cholesterol tests use a ____ top evacuated tube
    • A. 

      Red

    • B. 

      Yellow

    • C. 

      Blue

    • D. 

      Lavender

  • 25. 
    The primary anticoagulant additive EDTA removes calcium by forming insoluble or un-ionized calcium salts. It has an advantage of preventing platelet clumping and the formation of artifacts, therefore, good for the preparation of ____.
    • A. 

      Background staining

    • B. 

      Red cell preservation

    • C. 

      Clotting

    • D. 

      Blood films

  • 26. 
    Sodium citrate is an anticoagulant of choice for coagulation studies because it protects certain of the ____.
    • A. 

      Pro coagulants

    • B. 

      Red blood cells

    • C. 

      White blood cells

    • D. 

      Enzyme inhibitors

  • 27. 
    The tube to collect whole blood with an additive in it has a ___ stopper
    • A. 

      Red

    • B. 

      Lavender

    • C. 

      Green

    • D. 

      Yellow

  • 28. 
    The color coding for a stopper of a tube with no additives is (for collection of serum) ____.
    • A. 

      Green

    • B. 

      Black

    • C. 

      Red

    • D. 

      Blue

  • 29. 
    At the location where you are going to feel for a vein, wrap the tourniquet around the arm approximately ____ above the area.
    • A. 

      Nine to ten inches

    • B. 

      One foot

    • C. 

      Three to four inches

    • D. 

      One inch

  • 30. 
    The cephalic, medial cubital, and basilic veins are ____ used for venipuncture.
    • A. 

      Seldom

    • B. 

      Never

    • C. 

      Dangerous when

    • D. 

      Primarily

  • 31. 
    When doing a venipuncture the syringe or tube should be _____ the venipuncture site to prevent back flow
    • A. 

      Above

    • B. 

      Below

    • C. 

      Moved from side to side

    • D. 

      Moved in and out

  • 32. 
    When anticoagulated blood is ventrifuged ____ goes to the top of the tube.
    • A. 

      White blood cells

    • B. 

      Red blood cells

    • C. 

      Plasma

    • D. 

      Water

  • 33. 
    When anticoagulated blood is centrifuged ____ goes from the bottom of the tube.
    • A. 

      Red blood cells

    • B. 

      White blood cells

    • C. 

      Plasma

    • D. 

      Water

  • 34. 
    When collecting blood by skin puncture on an infant, you should use a _______.
    • A. 

      25 ga needle

    • B. 

      Lancet

    • C. 

      Scalpel

    • D. 

      23 ga needle

  • 35. 
    The tube usd to collect a blood sample for a complete blood count (CBC) is _____.
    • A. 

      Red top - no additive

    • B. 

      Blue top- sodium cirate additive

    • C. 

      Lavender top - ethylenediaminetetraacetic acid additive

    • D. 

      Green top - lithium heparin additive

  • 36. 
    Which of these lab tests monitor anticoagulation therapy?
    • A. 

      PT and PTT

    • B. 

      T3 and T4

    • C. 

      Hb and Hct

    • D. 

      ABO and Rh

  • 37. 
    Which tube would be drawn first?
    • A. 

      Red

    • B. 

      Lavender

    • C. 

      Grey

    • D. 

      Green

  • 38. 
    Making sure that a tube is correctly labeled with the patients complete name and identification number is part of the facilities ____ plan
    • A. 

      Exposure control

    • B. 

      Incident report

    • C. 

      Quality control

    • D. 

      All choices

  • 39. 
    When performing a venipuncture if no blood flows into the tube how would you correct this situation?
    • A. 

      Gently insert the needle a little deeper

    • B. 

      Gently pull the needle out just a little

    • C. 

      Remove the needle and tourniquet and prepare another site

    • D. 

      All choices could be correct

  • 40. 
    If during a venipuncture a patient has a syncopal episode what would be your best course of action?
    • A. 

      Continue to draw, you need the specimen

    • B. 

      Remove the needle and tourniquet and lower the patients head and arms

    • C. 

      Begin CPR and activate 911

    • D. 

      Restrain the patient to keep the patient from causing bodily injury

  • 41. 
    The most important appropriate site for performing a capillary puncture in a healthy adult is the _____.
    • A. 

      Great toe

    • B. 

      Earlobes

    • C. 

      Fingers

    • D. 

      Forearms

  • 42. 
    It is very important when performing a capillary stick to do which of the following
    • A. 

      Wipe away the first drop of blood

    • B. 

      Forcefully make a puncture

    • C. 

      Not use alcohol to clean site

    • D. 

      It is very important to do all of the above

  • 43. 
    Performing a ____ as part of a complete blood count (CBC) determines the ratio of volume packed red blood cells to that of whole blood.
    • A. 

      Differential

    • B. 

      Hematocrit

    • C. 

      Hemoglobin

    • D. 

      Glucose

  • 44. 
    ____ values are increased in infections and inflammatory disease.
    • A. 

      Glucose

    • B. 

      Hematocrit

    • C. 

      Erythrocyte sedimentation rates

    • D. 

      Coagulation studies

  • 45. 
    What type of blood sample will be needed to perform a hemoglobin test?
    • A. 

      EDTA added

    • B. 

      Serum only

    • C. 

      White blood cells

    • D. 

      No correct answer

  • 46. 
    How many hematocrit tubes should be collected from the patient?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      5

  • 47. 
    What type of blood sample is needed when performing a PKU?
    • A. 

      Venipuncture

    • B. 

      Capillary

    • C. 

      Either one is acceptable

    • D. 

      No answer is correct

  • 48. 
    A _____ is a small, sterile, needle like piece of metal used to make small punctures in the derms.
    • A. 

      Scarificator

    • B. 

      Fleam

    • C. 

      Lancet

    • D. 

      Cup

  • 49. 
    In drug testing the ___ regulates describe how evidence is to the collected and handled.
    • A. 

      Chain of command

    • B. 

      Chain of custody

    • C. 

      Person in charge

    • D. 

      Local law enforcement

  • 50. 
    A(n) ____ requires the patient to be fasting and then blood is taken every hour for a predetermined time.
    • A. 

      Cholesterol test

    • B. 

      White blood cell count

    • C. 

      Differential

    • D. 

      Glucose tolerance test