Dipstick Tests
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Transcript of Dipstick Tests
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DIPSTICK TESTGROUP 4
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PROCEDURE
1. Use on the normal and abnormal urine samplesdipstick test strips provided by your instructor.
2. Dip the strip completely, but briely, into
specimen.
!. "ompare the reaction colors #ith themanuacturer$s chart. Report your observations.
%&O'() "ompare the results usin* dipstick #iththe results o the tests above.+
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RESULTS AND DISCUSSION:
-&OR/
UR0&(
&OR/
UR0&(
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. y s t mportant to t me yourobservation o test strips careully ater
dippin* them in the sample to be
tested
(ach pads contain rea*ents or dierent
reaction, thus allo#in* or thesimultaneous determination o several
tests.
'ime is important to obtain accurate and
reliable results #ith the dipsticks. "ertain
precautions must be taken to help
maintain the reactivity o the rea*ents.
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2.+ /ist the causes o premature
deterioration o rea*ent strips, and
e3plain ho# they can be avoided.
"auses o premature deteriorationoisture
olatile
"hemicals
5eat
/i*ht
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2.+ /ist the causes o premature
deterioration o rea*ent strips, and
e3plain ho# they can be avoided.
Proper 6tora*e6tored at temperature 178" 9 !:8"
Do not use ater e3piration date
Rea*ent strips must be kept in its ori*inal
bottle #ith the cap ti*htly closed to maintain
reactivity
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2.+ /ist the causes o premature
deterioration o rea*ent strips, and
e3plain ho# they can be avoided. Proper 5andlin*
ll unused strips must remain in the ori*inal bottle
Do not remove desiccant%s+ rom the bottleDo not combine urine strips #ith dierent lot
number to*ether
Do not touch test areas o the rea*ent strip.
hen testin*, dip test areas in urine completely, butbriely, to avoid dissolvin* o rea*ents. Read test
results careully at time speciied, in a *ood li*ht
and #ith the test area held near.
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!. /ist 7 ;uality control procedures routinely
perormed #ith rea*ent strip testin*.
Positive and ne*ative controls at least once per 24 hrs.dditional controls run #hen ne# bottle is opened, #hen
results are ;uestionable, #hen strip inte*rity is
;uestionable. Do not use distilled #ater as a ne*ative control because
strips are desi*ned or urine ionic concentration.
-e a#are o manuacturer limitations
"orrelate chemical readin*s to each other.
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7.+ hy is the rea*ent strip method
more accurate and sensitive than
other chemical test