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Phlebotomy Final Exam Answer Key
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Phlebotomy Final Exam Answer Key
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Phlebotomy Final Exam Answer Key 1)What color tube is used to perform a complete blood count?a.Gray top
b.Lavender top
c.Green top
d.Marble top
2)Red-top tubes are also called “plain” tubes. Blood collected in these tubes are allowed to clot by normal coagulation process, which will take how long?
a.5 minutes
b.30 - 60 seconds c. 1 - 1.5 hours
d. 3 hours
3)A patient came to the clinic for a low-grade fever or one month duration. As part of the laboratory work-up, the physician ordered an erythrocyte sedimentation rate (ESR).
a.Red-top tube
b.Lavender-top tube
c.Light-blue top tube
d.Green-top tube
4)Which of the following tubes is used for PT and PTT?
a.Red-top tube
b.Green-top tube c. Light-
blue tube
d. Yellow-top tube
5)The sample of blood from a capillary puncture after an excessive squeezing of the finger will be:
a.Hemolyzed
b.Contaminated with tissue fluid
c.Infected
d.Normal/Unchanged
6)Which of the following is incorrect about the lavender-top tube?
a.It contains an anticoagulant which binds to calcium
b.It is used to collect a specimen for complete blood count
c.It must be inverted several times immediately after drawing to ensure uniform mixing of blood and anticoagulant
d.It is used to collect a specimen for coagulation studies
7)As you are inserting a needle into a patient’s arm to draw a blood sample when he suddenly jerks. The needle comes out of the vein and pierces your index finger. Which of the following is the appropriate reaction?
a.Scold the patient for jumping
b.Wash your wound with soapy water as soon as possible and report the injury to your supervisor
c.Wash your wound with bleach as soon as possible and report the injury to
your
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