Clinical Microscopy Flashcards
volume required for YELLOW IRIS instrument
2 mL
principle used by automated strip readers
Reflectance photometry/colorimetry?
device used for Centrifuge calibration
Tachometer
stopwatch
Strobe light
calibration of centrifuge is done every ____
3 months
disinfection of centrifuge is performed
weekly
refers to time from ordering a test through analysis in the lab to the charting of report
Turnaround time
PDMAI stands for
Plan Design Measure Assess Improve
what to do with a received body fluid collected in a SYRINGE which is > 1 hour from collection and with a volume > 1mL
reject
small body fluid specimens (few drops) in a SYRINGE received > 10 mins after collection
Reject
normal stool pH
7.0 to 8.0
pancreatic enzyme that breaks down gelatin
Trypsin
yellow-brown supernatant in APT test
maternal blood
pink solution in the APT test indicates presence of
Fetal blood
reagent used in APT test
1% sodium hydroxide
vitamin contraindicated in FOBT
Vitamin C
why is Guiac reagent preferred in FOBT?
Less sensitive (avoid false neg)
positive guiac test
Blue color
FOBT is for screening
Colorectal cancer
reagents used in Neutral fat stain
95% ethanol & Sudan III
reagents used in Split fat stain
36% acetic acid & Sudan III
Excessive fat excretion in stool
Steatorrhea
seen in patient with allergic reactions
Charcot-Leyden crystal
how many neutrophils are indicative of an invasive diarrhea
3 neutrophils per HPF
Lactoferrin latex agglutination is used to detect____
Fecal leukocytes
