Front | Back |
Which of the following is not an anticoagulant?
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polymer gel
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The most common antiseptic used in routine venipuncture is
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Isopropyl alcohol
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How many times may a needle be used before discarding it?
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1
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Which of the following indicated the largest-sized needle?
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A.20 gauge
b.23 gauge
c.16 gauge
d.21 gauge
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Compete clotting of a blood sample in a SST (gold or red-gray) tube takes____ minutes at room temperature.
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30 minutes
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Serum contains
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A. fibrinogen
b. clotting factors
c. plasma
d. none of the above
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Which color-coded tube does not contain any additives?
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Red,glass tube
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EDTA prevents coagulation in blood tubes by
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Binding calcium
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Tubes with gray tops are used for
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Glucose tolerance tests
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Tubes with green tops may contain
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Sodium heparin
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The smaller the gauge number the
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Larger the lumen diameter
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The syringe method of draw is useful because
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A. it allows for control of blood flow.
b. it shows the apperance of blood at the hub.
c. it allows for greater flexibility and less bulk. d. both A and B above
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The aditive sodium citrate is used in blood collection to test for
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Prothrombin time
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The most common gauge used for a routine venipuncture is
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21 gauge
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Blood banks used a ____
gauge needle to collect blood from donors for transfusions.
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16-18
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