chapter 4

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chapter 4
2012-11-14 22:33:36

chapter 4
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  1. antecubital space
    area in front of the elbow
  2. arteries
    blood vessels that carry blood away from the heart
  3. buffy coat
    narrow middle layer of white blood cells and platelets in a centrifuged whole blood specimen
  4. capillaries
    microscopic blood vessels that contain a mixture of arterial and venous blood
  5. caplliary action
    process by which blood flows freely into a capillary tube in microcollection procedures
  6. cyanotic
    a condition in which the skin and mucous membranes are blue; caused by an oxygen deficiency
  7. edema
    abnormal collection of fluid in interstitial spaces
  8. evacuated
    to remove air to produce a vaccum
  9. hematoma
    tumor or swelling of blood in the tissues ( bruising during blood collection procedures)
  10. hemoconcentration
    condition in which blood cencentration of large molecules such as proteins , cells and coagulation factors increase
  11. humors
    fluid or semifluid substances found in the body
  12. interstitial fluid
    all the fluid except blood that is found in the space between tissues ; aslo referred to as tissue fluid
  13. lumen
    inner tubular space of a needle, vessel or tube
  14. microcollection
    collecting a small amount of blood
  15. osteomyelitis
    inflammation of the bone ; caused by bacterial infection
  16. palpating
    gently touching and pressing down on an area to feel texture , size , and consistency
  17. petechiae
    tiny purple or red skin spots caused by small amounts of blood under the skin
  18. phlebotomy
    blood collection
  19. plasma
    liquid part of whole blood
  20. serum
    liquid part obtained when blood is clotted ; lacks clotting factors
  21. syncope
  22. veins
    blood vessels that carry blood toward the heart
  23. the veins most commonly used when performing venipuncture
    antecubital space
  24. ______ is the most commonly used vein 
    median cubital
  25. collection containers for venipuncture are called
    vacuum tubes
  26. what is the most critical error a phlebotomist can make?
    misindentifying the patient
  27. during a blood drawn procedure a hematoma begins to form why would this occur?
    the bevel is only partially inserted in the vein
  28. which tube is used for coagulation studies
    light blue
  29. a capillary puncture is performed on a newborn what step is incorrect
    a lancet no deeper than 3 mm is used for the puncture
  30. what is incorrect when collecting blood
    the tourniquet is removed after the last tube and the needle are removed
  31. if the angle of needle insertion is lower than 15 degrees during a venipuncture procedure which may occur
    the needle may enter above the vein
  32. what is the recommended maximum time to leave a tourniquet on?
    1 minute
  33. which of the following tests should not be done by the capillary puncture method?
    blood cultures
  34. blood vessels are part of the ____ system

    that make up a closed circuit system
  35. blood vessel except capillaries have three layers which are
    tunica adventitia: outer layer

    tunica media: middle layer

    tunica intima: inner layer
  36. capillary puncture is also called
    skin puncture or stick
  37. microcollection tubes hold more than
    capillary tubes
  38. blood normally clots in
    2 to 6 minutes
  39. PKU
  40. diameter of the needle is called the
  41. the space inside the needle is referred to as the
    lumen or bore
  42. hemolysis
    breaking open of red blood cells and the release of hemoglobin