Medical procedures - phlebotomy and diagnostic testing and lab procedures.txt

  1. the blood lancet is used for the collection of blood specimens by

    D. skin puncture
  2. the standard point of the lancet to be used when collecting blood from a newborn heel is __ in length

    D. 2.4mm
  3. the most important step in the performance of a venipuncture is

    C. positvely identifying the patient
  4. when cleansing the venipuncture site, it is good practice to

    B. cleanse the site from the inside out and allow it to air dry
  5. to determine the size of the needle remember that the higher the gauge number the ___ needle

    A. smaller
  6. an instrument called a centrifuge

    C. separates the cellular and liquid portion of the blood
  7. rubber sleeves on an evacuated tube system make it possible for

    B. multiple use
  8. preparing for a glucose tolerance test __ hours before or during the test, the patient should not eat smoke drink coffee of alcohol

    C. ten
  9. in the evacuated blood collection system the evacuated glass tubes come in different sizes and the stoppers are __ to denote the type of additive or lack of one

    A. color coded
  10. during venipuncture to secure the needle during insertion into the tube stopper you need a

    B. holder
  11. which needle gauges are most commonly used for venipuncture

    B. 21-22
  12. when performing a venipuncture the tournquet should be wrapped around the arm about three to four inches from where you are going to __ for a vein

    C. feel
  13. when performing a venipuncture if you have the patient ___ the veins will become more prominent

    C. make a fist
  14. which of the following is false

    C. veins pulsate
  15. use you index finger when you __ for a vein

    C. palpate
  16. arterioles are the smallest type of

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

    C. 1 minute
  18. to cleanse the typical venipuncture site, begin at the intended site of the draw and

    B. work in a circle to the periphery
  19. the venipuncture site should be cleansed with

    A. an alcohol prep
  20. when using a centrifuge make sure equal weights are

    B. opposite each other
  21. the lid to the centrifuge should be kept ___ when in use

    B. closed
  22. when using an evacuated tube for collection of electrolytes use a

    B. red top tube
  23. when collecting blood for a hematocrit test use a

    B. lavender top
  24. when collecting blood for cholesterol test use a __ top evacuated tube

    D. red
  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

    D. blood films
  26. sodium citrate is an anticoagulant of choice for coagulation studies because it protects certain of the

    D. pro-coagulants
  27. the tube to collect whole blood with and additive in it has a __ stopper

    D. lavender
  28. the color coding for a stopper of a tube with no additives is (for collection of serum)

    B. red
  29. at the location where you are going to feel for a vein wrap the tourniquet around the arm approximately __ above the area

    D. three to four inches
  30. the cephalic, medial cubital, and basilic veins are __ used for venipuncture

    C. primarily
  31. when doing a venipuncture the syringe or tube should be ___ the venipuncture site to prevent back flow

    B. below
  32. when anticoagulated blood is centrifuged __ 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 to the bottom of the tube

    A. red blood cells
  34. when collecting blood by skin puncture on an infant you should use a

    C. lancet
  35. the tube used to collect a blood sample for a complete blood count is

    D. lavender top EDTA
  36. which of these lab tests monitor anticoagulation therapy

    D. pt and ptt
  37. which one of the following evacuated tubes would be drawn first

    D. red
  38. making sure that a tube is correctly labeled with the patients complete name and identificaion number is part of the facilities ___ plan

    D. quality control
  39. when performing a venipuncture if no blood flows into the tube how would you correct this situation

    D. all choices could be correct
  40. if during a venipuncture a patient has a synocpal episode what would be your best course of action

    D. remove the needle and tourniquet and lower the patients head and arms
  41. the most appropriate site for performing a capillary puncture in a healthy adult is the

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

    A. wipe away the first drop of blood
  43. performing a __ as part of a complete blood count determines the ratio of the volume packed red blood cells to that of whole blood

    C. hematocrit
  44. ___ values are increased in infections and inflammatory diease

    A. erythrocyte sedimentation rates
  45. what type of blood samples will be needed to perform a hemoglobin test

    A. edta added
  46. how many hematocrit tubes should be collected from the patient

    D. 2
  47. what type of blood sample is needed when performing a pku

    C. capillary
  48. a ___ is a small sterile needle like piece of metal used to make small puncture in the dermis

    D. lancet
  49. in drug testing the ___ regulates describe how evidence is to be collected and handled

    B. chain of custody
  50. a(n) ___ requires the patient to be fasting and then blood is taken every hour for a predetermined time

    A. glucose tolerance test
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Medical procedures - phlebotomy and diagnostic testing and lab procedures.txt
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