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What is a centrifuge
a machine used to "spin down" blood into a liquid portion and cellular portion
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Procedure for applying a tourniquet
should be placed 3 to 4 inches above elbow and should not be left on longer then 60 seconds
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Procedure for balancing a centrifuge
the specimen tube and another tube should be placed directly across from each other and should be of even weight
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Main veins used for venipuncture
cephalic, basliac, and antebucteal
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When whole blood is centrifuged goes to top
plasma
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What is quality assurance
it evaluates the quality of each test and it protects the medical assistant
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If objective lens of microscope is set at x100 what is the total of magnification
1,000 because 10 * 100 = 1,000
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What does chemistry test for
serum, plasma, and body fluids
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Can chemistry be tested with tissues
no
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serology is
serum, plasma, and immune response
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rapid strep is a CLIA test
waived
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urinalysis is done to detect what
infection, pregnancy, blood in urine, kidneys, and DM
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Collecting a 24 hr specimen is done for what reason
to test kidney function
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Why do you not use the first voiding on the first morning of a 24 hr urine test
because you only need one first morning void - so you use the second mornings first void
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Lancents are what
constructed to puncture skin at various depths
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Which tube has no additives
the plain red top tube
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When should you release a tourniquet from a pt on a blood draw
on the filling of the last tube
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Name CLIA waived tests done in a POL
rapid strep, mono, pregnancy, u/a, and hematocrit
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What information is placed on your lab req forms
physicans name, pt info, tests ordered and insurance info
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Explain fasting bloodwork
you cannot eat for 12 hours before the test, the only thing you can have is water
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Regant strip detects what
the presence and amount of substance in urine
^ this is the direct answer on the test
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Gloucose tolerance test is testing for
Dm and its a timed test
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Explain 2 hr post paradial test
just tests for diabetes
^ direct answer on test
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HDL is
bad cholesterol
high density lipoproteins
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LDL is
good cholesterol
low density lipoproteins
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"buffy coat" consists of
RBC's and platelets
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CBC is collected in what color tube
lavendar top tube *****
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Sweet smelling, fruity odor in urine says what
Sign of diabetes mellitus (DM)
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First morning void specimen is what
the most concentrated or most potent because it has sat
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Bilirubin in urine detects what disorder
a liver disorder
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Specific gravity is what
the kidneys ability to concentrate urine
"thickness of urine"
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Supernatant is
the liquid portion of specimen
top liquid portion that has been centrifuged
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Name of the test that measures your gloucose levels over the last three months
HgA1c or glysosylated hemoglobin test
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ESR test measures?
how fast RBC's settle to the bottom of a tube
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Viewable reactions in a seriological test are
lysis, agglutination, and precipitation
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