loose clusters of small spherical microconidia, positive urease - Answer: Trichophyton mentagrophytes
BHCG tumor marker - Answer: chorocarcinoma
5HIAA - Answer: carcinoid tumors
Proteus vulgaris vs P. mirabilis indole test - Answer: P. vulgaris is indole pos. P. mirabilis is indole neg
Hydatid cyst fluid - Answer: used to neutralize Anti-P1 antibody
Antacid overdose - Answer: Check pH
Prolonged PT, PTT, and thrombin after collecting from catheter - Answer: heparin contamination
mixing study that was performed with a prolonged PTT that couldn't be corrected - Answer: DRVVT
(Dilute Russell Viper Venom Test)
two pt's ran in duplicate (PT and PTT). The PTT seemed to always be prolonged but PT looked ok -
Answer: check the CaCl/phospholipid reagent delivery
Patient is on coumadin therapy, what will be affected - Answer: Decreased protein C
Lots of stomatocytes - Answer: Liver disease
Burr cells - Answer: Uremia
Picture of target cells with hemoglobin C crystals. The white count was high on instrument 1, so a
second instrument was used with a stronger lysing agent, and the white count was corrected - Answer:
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