Phlebotomy Test

100 Questions

Settings
Please wait...
Phlebotomy Test

Phlebotomy practice test


Questions and Answers
  • 1. 
    Which of the following infectious disease services is not offered through regional public health services agencies?
    • A. 

      Education

    • B. 

      Monitoring

    • C. 

      Screening

    • D. 

      Treatment

  • 2. 
    • A. 

      Does not speak english

    • B. 

      Is a very young child

    • C. 

      Is emotionally upset

    • D. 

      Is mature male HCW

  • 3. 
    Which of the following is an example of negative kinesics?
    • A. 

      Eye contact

    • B. 

      Frowning

    • C. 

      Good grooming

    • D. 

      Smiling

  • 4. 
    • A. 

      A phlebotomist is a representative of the laboratory

    • B. 

      Good public relations promotes harmonious relationships

    • C. 

      Patients equate experiences with overall caliber of care received

    • D. 

      Skilled public relations can cover up inexperience and insecurity

  • 5. 
    All of the following are reasons for phlebotomist to participate in continuing education programs EXCEPT
    • A. 

      Eliminate annual evaluations

    • B. 

      Learn new skills and techniques

    • C. 

      Renew licensure or certification

    • D. 

      Stay up to date in latest procedures

  • 6. 
    An indibidual who has little resistance to an infectious microbe is referred to as a susceptible
    • A. 

      Agent

    • B. 

      Host

    • C. 

      Pathway

    • D. 

      Reservoir

  • 7. 
    MSDS information includes
    • A. 

      General and emergency information

    • B. 

      Highly technical chemical formulas

    • C. 

      Information on competitor products

    • D. 

      Product manufacturing conditions

  • 8. 
    A person who has recovered from a particular virus and has developed antibodies against that virus is said to be
    • A. 

      A carrier

    • B. 

      Immune

    • C. 

      Infectious

    • D. 

      Susceptible

  • 9. 
    All pathogens are
    • A. 

      Communicable microorganisms

    • B. 

      Microbes that can cause disease

    • C. 

      Microorganisms that live in soil

    • D. 

      Normal flora found on the skin

  • 10. 
    These are the initials of the two organizations responsible for the latest guideline for isolation precautions in hospitals
    • A. 

      CDC and HICPAC

    • B. 

      CLSI and OSHA

    • C. 

      HICPAC and NIOSH

    • D. 

      NIOSH and OSHA

  • 11. 
    The primary purpose of wearing gloves during phlebotomy procedures is to protect the
    • A. 

      Patient from contamination by the phlebotomist

    • B. 

      Phlebotomist from exposure to the patients blood

    • C. 

      Specimen from contamination by the phlebotomist

    • D. 

      Venipuncture site from contamination by the hands

  • 12. 
    This equipment is required when collecting a specimen from a patient in airborne isolation
    • A. 

      Eye protection

    • B. 

      Full face shield

    • C. 

      Mask and goggles

    • D. 

      N95 respirator

  • 13. 
    Which of the following is an example of a work practice control that reduces risk of exposure to bloodborne pathogens?
    • A. 

      Ordering self sheathing needles

    • B. 

      Reading the exposure control plan

    • C. 

      Receiving an HBV vaccination

    • D. 

      Wearing gloves to draw blood

  • 14. 
    • A. 

      Electrical equipment should be unplugged while being serviced

    • B. 

      Extension cords should be used to conveniently place equipment

    • C. 

      It is safe to use an electrical cord if it is only slightly frayed

    • D. 

      Use electrical equipment carefully if it is starting to malfuntion

  • 15. 
    The right to know law primarily deals with a electrical safety issues
    • A. 

      Electrical safety issues

    • B. 

      Exposure to pathogens

    • C. 

      Hazard communication

    • D. 

      Labeling of specimens

  • 16. 
    Blood vessels of the skin are found only in the
    • A. 

      Corium and subcutaneous

    • B. 

      Dermis and germinativum

    • C. 

      Epidermis and adipose layer

    • D. 

      Germinativum and corneum

  • 17. 
    The ability of oxygen to combine with this substance in the red blood cells increases the amount of oxygen that can be carried in the blood by up to 70 times
    • A. 

      Carbon dioxide

    • B. 

      Glucose

    • C. 

      Hemoglobin

    • D. 

      Potassium

  • 18. 
    A persons pulse is created by a wave of pressure caused by
    • A. 

      Atrial contraction

    • B. 

      Atrial relaxation

    • C. 

      Ventricular contraction

    • D. 

      Ventricular relaxation

  • 19. 
    The tunica adventitia is the
    • A. 

      External layer of a blood vessel

    • B. 

      Inside lining of a blood vessel

    • C. 

      Internal layer of a blood vessel

    • D. 

      Middle layer of a blood vessel

  • 20. 
    All of the following are antecubital veins except
    • A. 

      Accessory cephlic

    • B. 

      Median basilic

    • C. 

      Median basilic

    • D. 

      Subclavian

  • 21. 
    Which of the following are normally the most numerous of the formed elements
    • A. 

      Platelets

    • B. 

      Red blood cells

    • C. 

      Reticulocytes

    • D. 

      White blood cells

  • 22. 
    This ion is essential to the coagulation process
    • A. 

      Calcium

    • B. 

      Chloride

    • C. 

      Potassium

    • D. 

      Sodium

  • 23. 
    A major cause of respiratory distress in infants and young children is
    • A. 

      Airway blockage associated with emphysema

    • B. 

      Dyspnea as a consequence of cystic fibrosis

    • C. 

      Infection with myobacterium tuberculosis

    • D. 

      Respiratory syncytial birus (RSV)infection

  • 24. 
    Which of the following are abbreviations for cardiac enzyme test?
    • A. 

      ALP,ALT

    • B. 

      BUN,PT

    • C. 

      CK,LDH

    • D. 

      GTT, ESR

  • 25. 
    What word is used to describe the breakdown of red blood cells
    • A. 

      Erythema

    • B. 

      Erythrocytosis

    • C. 

      Hemolysis

    • D. 

      Hemostasis

  • 26. 
    Which of the following word parts are prefixes
    • A. 

      Al,lysis,pnea

    • B. 

      Gastr,lip,onc

    • C. 

      Ices,ina,nges

    • D. 

      Iso,neo,tachy

  • 27. 
    A patient who is NPO
    • A. 

      Cannot have any food or drink

    • B. 

      Cannot have anything but water

    • C. 

      Is in critical,but stable condition

    • D. 

      Is recovering from minor surgery

  • 28. 
    • A. 

      Ask the patients nurse to collect the specimen from the IV

    • B. 

      ASK THE PATIENTS NURSE WHAT TO DO WHEN THE SIGN IS POSTED

    • C. 

      Collect a CBC from the right arm without using tourniquet

    • D. 

      Collect the specimen from the left hand by finger puncture

  • 29. 
    Which of the following are all anticoagulants that remove calcium from the specimen by forming insoluble calcium salts, and therefore prevent coagulation
    • A. 

      EDTA,lithium heparin,citrate

    • B. 

      NaF, sodium heparin,EDTA

    • C. 

      Oxalate, SPS,sodium heparin

    • D. 

      Sodium citrate,EDTA, oxalate

  • 30. 
    All of the following tube stopper colors indicate the presence (or absence) and type of additive in the tube except
    • A. 

      Green

    • B. 

      Lavender

    • C. 

      Light blue

    • D. 

      Royal blue

  • 31. 
    What is the purpose of an antiglyolytic agent
    • A. 

      Enhance the clotting process

    • B. 

      Inhibit electrolyte breakdown

    • C. 

      Preserve glucose

    • D. 

      Prevent clotting

  • 32. 
    Which one of the following tubes is filled first when multiple tubes are filled from a syringe
    • A. 

      Blood culture (sps) tube

    • B. 

      Complete blood count tube

    • C. 

      Nonadditive discard tube

    • D. 

      STAT potassium tube

  • 33. 
    • A. 

      Block the flow of arterial blood into the area

    • B. 

      Enlarge veins so they are easier to find and enter

    • C. 

      Obstruct blood flow to concentrate the analyte

    • D. 

      Redirect more blood flow to the venipuncture site

  • 34. 
    Which type of test is most affected by tissue thromboplastin contamination
    • A. 

      Chemistry

    • B. 

      Coagulation

    • C. 

      Microbiology

    • D. 

      Serology

  • 35. 
    Which of the following test would be most affected by carryover of K 2 EDTA
    • A. 

      Blood urea nitrogen

    • B. 

      Glucose

    • C. 

      Potassium

    • D. 

      Sodium

  • 36. 
    Symptoms of needle phobia include all of the following except
    • A. 

      Arrhythmia

    • B. 

      Fainting

    • C. 

      Lightheadedness

    • D. 

      Muscle cramps

  • 37. 
    Steps taken to unmistakably connect a specimen and the accompanying paperwork to specific individual are called
    • A. 

      Accessioning the specimen

    • B. 

      Barcoding specimen labels

    • C. 

      Collection verification

    • D. 

      Patient identification

  • 38. 
    • A. 

      Awakens a sleeping patient and raises the head of the patients bed

    • B. 

      Collects a specimen in dim lighting conditions in the patients room

    • C. 

      Draws a specimen from an unconscious patient without assistance

    • D. 

      Statles a patient who is asleep while preparing to collect a specimen

  • 39. 
    If the touniquet is too tight all of the following happens except
    • A. 

      Arterial flow below it may be stopped

    • B. 

      Blood below it may hemoconcentrate

    • C. 

      The pressure can causse the arm to ache

    • D. 

      Venous flow increases as veins expand

  • 40. 
    All of the following will help you avoid inadvertently puncturing an artery during venipuncture except
    • A. 

      Avoid drawing the basilic vein in the antecubital area

    • B. 

      Do not select a site that is near where you feel a pulse

    • C. 

      Do not select a vein that overlies or is close to an artery

    • D. 

      Stay away from the cephlic vein when the arm is thin

  • 41. 
    • A. 

      Apply a tourniquet on the right arm over a towel and do the draw

    • B. 

      Ask the patients nurse to collect the specimen form the IV line

    • C. 

      Collect from the left antecubital area without using a tourniquet

    • D. 

      Collect the specimen by capillary puncture from the left hand

  • 42. 
    What is the best thing to do if the vein can be felt but not seen even with the tourniquet on
    • A. 

      Inser the needle where you think it is and probe until you find it

    • B. 

      Keep the tourniquet on while cleaning the site and during the draw

    • C. 

      Look for visual clues on the skin to remind you where the vein is

    • D. 

      Mark the spot usiing a felt tip pen and clean it off when finished

  • 43. 
    When is the best time to release the tourniquet during venipuncture
    • A. 

      After the last tube has been filled completely

    • B. 

      After the needle is withdrawn and covered

    • C. 

      As soon as blood begins to flow into the tube

    • D. 

      As soon as the needle penetraes the skin

  • 44. 
    • A. 

      Collect sterle specimens before all other specimens

    • B. 

      Draw a clear tube before special coagulation test

    • C. 

      Fill each tube until the normal vacuum is exhausted

    • D. 

      Position the arm so tubes fill from stopper end first

  • 45. 
    • A. 

      The specimen yields enough serum for the required tests

    • B. 

      There is a proper ratio of blood to anticoagulant additive

    • C. 

      There is an adequate amount of blood to perform the test

    • D. 

      Issue fluid contamination of the specimen is minimized

  • 46. 
    You have just made two unsuccessfull attempts to collect a fasting blood specimen from an outpatient. the patient rotates his arm, and you notice a large vein that you had not seen before, how do you proceed
    • A. 

      Ask another phlebotomist to collect the fasting specimen

    • B. 

      Ask the patient to come back later so that you can try again

    • C. 

      Call the supervisor for permission to make a third attemp

    • D. 

      Make a third attempt on the newly discovered large vein

  • 47. 
    When drawing blood from an older child the most important consideration is
    • A. 

      Assuring the child that it wont be painful

    • B. 

      Explaining all of the test being collected

    • C. 

      Explaining the importance of holding still

    • D. 

      Offering the child a reward for not crying

  • 48. 
    Feather is a term used to describe the appearance of
    • A. 

      A newborn screening blood spot

    • B. 

      Blood in a thick malaria smear

    • C. 

      Lipemia in a bilirubin specimen

    • D. 

      The thinnest area of a blood film

  • 49. 
    Capillary specimens contain of all of the following except
    • A. 

      Arerial blood

    • B. 

      Serous fluids

    • C. 

      Tissue fluids

    • D. 

      Venous blood

  • 50. 
    Reference values for this test are higher for capillary specimens
    • A. 

      Calcium

    • B. 

      Glucose

    • C. 

      Phosphorous

    • D. 

      Total protein

  • 51. 
    It is necessary to control the depth of lancet insertion during heel puncture to avoid
    • A. 

      Damage to the tendons

    • B. 

      Injuring the calcaneus

    • C. 

      Puncturing an artery

    • D. 

      Unneccesary bleeding

  • 52. 
    In which of the following areas does capillary specimen collection differ from routine venipuncture when collecting a BUN and CBC
    • A. 

      Additives used

    • B. 

      Antiseptic used

    • C. 

      ID procedures

    • D. 

      Order of draw

  • 53. 
    A blood smear prepared from an EDTA specimen should be made
    • A. 

      After the blood cells settle in the tube

    • B. 

      At the time the specimen is collected

    • C. 

      Before the specimen has been mixed

    • D. 

      Within 1 hour of specimen collection

  • 54. 
    An infant may require a blood transfusion if blood levels of this substance exceed 18 mg/dl
    • A. 

      Bilirubin

    • B. 

      Carnitine

    • C. 

      Galactose

    • D. 

      Thyroxine

  • 55. 
    Phenylketonuria is a
    • A. 

      Contagious condition caused by lack of phenylalanine

    • B. 

      Disorder caused by excessive phenylalanine ingestion

    • C. 

      Genetic disorder invilving phenylalanine metabolism

    • D. 

      Temporary condition caused by lack of phenylalanine

  • 56. 
    Arteriospasm is defined as
    • A. 

      Artery contraction due to pain, irritation by a needle or anxiety

    • B. 

      Fainting related to hypotension caused by a nervous response

    • C. 

      Pain that shoots up the side of the arm after needle penetration

    • D. 

      Tingling feeling in the fingertips when a needle enters an artery

  • 57. 
    Arterial puncture site selection is based on all of the following except
    • A. 

      Available equipment in the room

    • B. 

      Presence of collateral circulation

    • C. 

      Size and accessibility of the artery

    • D. 

      Type of tissue surounding the site

  • 58. 
    Which of the following is a disadvantage of puncturing the radial artery
    • A. 

      It is not easy to fully compress

    • B. 

      It is small and difficult to feel

    • C. 

      The risk of hematoma formation

    • D. 

      There is no collateral circulation

  • 59. 
    In addition to normal patient identification information,an arterial blood gas requisition typically includes all of the following except
    • A. 

      Age at onset of respiratory disease

    • B. 

      Method of ventilation or delivery

    • C. 

      Patient activity and body position

    • D. 

      Temperature and respiration rate

  • 60. 
    What consitutes a positive modified allen test? the
    • A. 

      Blood pressure increases in the raial artery

    • B. 

      Color drains from hand at least 30 seconds

    • C. 

      Hand color returns to normal in 15 seconds

    • D. 

      Pulse in the ulnar artery becomes irregular

  • 61. 
    Some blood specimens require cooling to
    • A. 

      Avoid hemolysis of RBC'S

    • B. 

      Prevent premature clotting

    • C. 

      Promote serum separtation

    • D. 

      Slow metabolic processes

  • 62. 
    All of the following are reasons why specimen handling is very important except
    • A. 

      Effects of mishandling are not always obvious

    • B. 

      Improper handling can affect quality of results

    • C. 

      Many lab errors occur in the preanalytical phase

    • D. 

      Mishandling effects can be corrected if identified

  • 63. 
    Which of the following actions will compromise the quality of the speciment
    • A. 

      Drawing a BUN in an amber serum tube

    • B. 

      Mixing an SST by inverting it five times

    • C. 

      Only partially filling a liquid EDTA tube

    • D. 

      Transporting a cryofibrinogen at 37 c

  • 64. 
    All of the following analytes require protection form light except
    • A. 

      Ammonia

    • B. 

      Bilirubin

    • C. 

      Vitamin b 12

    • D. 

      Vitamin c

  • 65. 
    Chilling can cause erroneous results for this analyte
    • A. 

      Ammonia

    • B. 

      Glucagon

    • C. 

      Lactic acid

    • D. 

      Potassium

  • 66. 
    An example of a QA indicator is
    • A. 

      All phlebotomists will follow universal precautions

    • B. 

      Blood culture contamination rates will not exceed 3 percent

    • C. 

      Laboratory personnel will not wear lab coats when on break

    • D. 

      No eating, drinking, or smoking is allowed in lab work areas

  • 67. 
    ESR determination on specimens held at room temperature muset be made within
    • A. 

      1 hour

    • B. 

      4 hours

    • C. 

      12 hours

    • D. 

      24 hours

  • 68. 
    All of the following can be done to prevent exposure to aerosol generated when the stopper is removed from a specimen tube except
    • A. 

      Cover the stopper with a 4x4 gauze while removing it

    • B. 

      Remove the stopper with the tube held behind a shield

    • C. 

      Use a specially designed safety stopper removal device

    • D. 

      Withdraw the specimen through the stopper by syringe

  • 69. 
    If a specimen has inadequate identification, he specimen processor may
    • A. 

      Add the missing information to the label

    • B. 

      Ask the phlebotomist to get a new sample

    • C. 

      Contact the patient for correct information

    • D. 

      Refer the tube to the laboratory supervisor

  • 70. 
    According to CLSI the maximum time limit for separating serum or plasma from cells is
    • A. 

      15 mins from the time of collection

    • B. 

      30 mins from the time of collection

    • C. 

      1.0 hour from the time of collection

    • D. 

      2.0 hours from the time of collection

  • 71. 
    An aliquot is a
    • A. 

      Filter for separating serum from cells

    • B. 

      Portion of specimen being tested

    • C. 

      Specimen being prepared for testing

    • D. 

      Tube used to balance the centrifuge

  • 72. 
    Which of the following is the best way to prepare routine blood specimen tubes for transportation to the lab
    • A. 

      Place the tubes in ice slurry

    • B. 

      Seal the tubes in plastic bags

    • C. 

      Wipe each tube with alcohol

    • D. 

      Wrap them in the requistions

  • 73. 
    Tubes should be transported with the stopper up for all of the following reasons except that it
    • A. 

      Encourages complete clot formation

    • B. 

      Maintains the sterility of the sample

    • C. 

      Minimizes stopper caused aerosols

    • D. 

      Reduces agitation caused hemolysis

  • 74. 
    Specimens transported by courier or other air or ground mail systems must follow guidelines defined by all of the following except
    • A. 

      DOT

    • B. 

      FAA

    • C. 

      FDA

    • D. 

      OSHA

  • 75. 
    Which specimen needs to be transported on ice
    • A. 

      Ammonia

    • B. 

      Bilirubin

    • C. 

      Carotene

    • D. 

      Potassium

  • 76. 
    A specimen must be transported at or near normal body temperature. which of the following temperatures meets this requirement
    • A. 

      25 c

    • B. 

      37 c

    • C. 

      50 c

    • D. 

      98 c

  • 77. 
    The liquid portion of a clotted specimen is called
    • A. 

      Fibrinogen

    • B. 

      Plasma

    • C. 

      Saline

    • D. 

      Serum

  • 78. 
    A whole blood specimen has an abnormally large buffy coat. this is an indication that the patient has
    • A. 

      An elevated leukocyte or platlet count

    • B. 

      An increased amount of red blood cells

    • C. 

      Large numbers of bacteria in the blood

    • D. 

      Recently eaten a meal with a lot of fat

  • 79. 
    A urine C & S   is typically ordered to
    • A. 

      Check for glucose in the urine

    • B. 

      Diagnose urinary tract infection

    • C. 

      Evaluate function of the kidneys

    • D. 

      Monitor urinary protein levels

  • 80. 
    Which of the following tests is sometimes performed on amniotic fluid
    • A. 

      Alkaline phosphatase

    • B. 

      Alpha-fetoprotein

    • C. 

      Lactic dehydrogenase

    • D. 

      Reticulocyte count

  • 81. 
    This test requires intravenous administration of histamine or pentagastrin
    • A. 

      Alpha-fetoprotein

    • B. 

      Gastric analysis

    • C. 

      Sweat chloride

    • D. 

      Urine porphyrins

  • 82. 
    A bleeding time ( BT) test assesses the functioning of which of the following cellular elements
    • A. 

      Erythrocytes

    • B. 

      Leukocytes

    • C. 

      Neutrophils

    • D. 

      Thrombocytes

  • 83. 
    The most common reason for glucose monitoring through POCT is to
    • A. 

      Check for sporadic glucose in the urine

    • B. 

      Control medication induced mood swings

    • C. 

      Diagnose glucose metabolism problems

    • D. 

      Monitor glucose levels for diabetic care

  • 84. 
    When reading a patients TB test, there is an area of induration and erythema that measures 7mm in diameter. the results of the test is
    • A. 

      Doubtful

    • B. 

      Negative

    • C. 

      Positive

    • D. 

      Unreadable

  • 85. 
    Point of care detection of group a strep normally requires a
    • A. 

      Blood sample

    • B. 

      Nasal collection

    • C. 

      Throat swab

    • D. 

      Urine specimen

  • 86. 
    Which of the following cannot be detected in urine on a special regent strip that is dipped in the urine specimen and then compared visually against color codes on the reagent strip container
    • A. 

      Bilirubin

    • B. 

      Glucose

    • C. 

      Leukocytes

    • D. 

      Thrombin

  • 87. 
    The AMT,NCA,and ASCP are agencies that
    • A. 

      Accredit phlebotomy programs

    • B. 

      Certify laboratory professionals

    • C. 

      License allied health professionals

    • D. 

      Monitor communicable diseases

  • 88. 
    Which of the following is the name or abbreviation for the federal law that established standards for the electronic exchange of patient information
    • A. 

      CLIA

    • B. 

      HIPAA

    • C. 

      MEDICARE

    • D. 

      OSHA

  • 89. 
    What is the clinical and laboratory standards institute ( CLSI)  recommended way to clean a venipuncture site
    • A. 

      Clean the area thoroughly with disinfectant using concentric circles

    • B. 

      Cleanse with a circular motion from the center to the periphery

    • C. 

      Scrub with an alcohol sponge as vigorously as you can for 1 min

    • D. 

      Wipe using concentric circles from the outside area to the center

  • 90. 
    According to CLSI depth of heel puncture should not exeed
    • A. 

      1.5 mm

    • B. 

      2.0 mm

    • C. 

      2.4 mm

    • D. 

      4.9 mm

  • 91. 
    The standard of care used in phlebotomy malpractice cases is often based on guidlines from this organization
    • A. 

      CAP

    • B. 

      CLIA

    • C. 

      CLSI

    • D. 

      NAACLS

  • 92. 
    The abbreviation for the federal regulations that established quality standards to ensure the accuracy, reliability timeliness of patient test results, regardless of the size, type, or location of the laboratory
    • A. 

      BBP standard

    • B. 

      CLIA 88

    • C. 

      JCAHO

    • D. 

      OSHA

  • 93. 
    QC protocols prohibit use of outdated evacuated tubes for all of the following reasons except
    • A. 

      Additives that prevent clotting may no longer function as required

    • B. 

      Specimens colledted in these tubes may yield erroneous results

    • C. 

      Stoppers may have shrunk causing specimens to leak when inverted

    • D. 

      Tubes may not fill completely changing the ratio of additive to blood

  • 94. 
    Drawing a patients blood without his or her permission can result in a charge of
    • A. 

      Assault and battery

    • B. 

      Breach of confidentiality

    • C. 

      Malpractice

    • D. 

      Negligence

  • 95. 
    Civil actions involve
    • A. 

      Legal proceedings between private parties

    • B. 

      Offenses for which a person may be imprisoned

    • C. 

      Regulations established by goverments

    • D. 

      Violent crimes against the state or nation

  • 96. 
    Malpractice is a claim of
    • A. 

      Breach of confidentiality

    • B. 

      Improper treatment

    • C. 

      Invasion of privacy

    • D. 

      Resipsa loquitur

  • 97. 
    Diurnal variations associated with some blood components are
    • A. 

      Abnormal changes that occur once a day

    • B. 

      Changes that follow a monthly cycle

    • C. 

      Normal fluctuations throughout the day

    • D. 

      Variations that occur on an houly basis

  • 98. 
    Which of the following analytes is most affected by exercise prior to specimen collection
    • A. 

      Bilirubin

    • B. 

      Calcium

    • C. 

      Enzymes

    • D. 

      Uric acid

  • 99. 
    If you have no choice but to collect a specimen from an arm with a hematoma. collect the specimen
    • A. 

      Above the hematoma

    • B. 

      Beside the hematoma

    • C. 

      Distal to the hematoma

    • D. 

      Through the hematoma

  • 100. 
    The ratio of blood to anticoagulant is most critical for which of the following test
    • A. 

      Alkaline phosphatase

    • B. 

      Complete blood count

    • C. 

      Glycohemoglobin

    • D. 

      Prothrombin time