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32 Cards in this Set
- Front
- Back
a spectrophotometric scan of amniotic fluid may be valuable in the determination of which condition?
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HDN
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If a CSF sample cannot be analyzed in an hour, what should be done?
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leave at RT till analyzed. any temp change will destroy the bacterial meningitis that may exist.
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how would you calculate the serum glucose from the CSF glucose?
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csf glucose is roughly 2/3
ex: csf= 62mg/dl therefore serum glucose should be ~93 |
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what can cause a false positive bilirubin result on a urine chemical reagent strip?
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large doses of chloropromazine
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what is the primary functional unit of the kidney?
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the nephron
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if you have a cell from pleural fluid that is uniform, regular arrangement, resembing a "fried egg," and with multiple nuclei, what would this cell be?
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mesothelial cells
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nitrates in urine are reduce to nitrites by which kind of bacteria?
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gram negative bacteria
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an India ink prep is used to identify what?
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cryptococcus neoforman in CSF
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What happens to urea levels when dehydration takes effect?
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generally, urea levels will increase
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Bence- Jones proteinuria can be seen in which conditions?
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amyloidosis, multiple myeloma, and macroglobinemia
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a urine production of less than 400 ml/day is called what?
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oliguria
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in a three tube draw, where do each of the tubes go?
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1- chemistry
2- microbiology 3- hematology |
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what is the lower reference limit for semen colume according to the WHO?
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1.5mL
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What is characteristic of synovial fluid?
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artocentesis is performed as a means to evaluate arthritis and other joint disorders, synovial fluid is present only in movable joints, and joint fluid has approximately the same glucose as plasma
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a dilution commonly used for a routine sperm count is what?
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1:20
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what is this crystal?
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cholesterol
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How may the pH of the specimen be affected by the extended time at room temp if bacteria are present in the specimen?
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the pH may become more alkaline
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For best results, a semen sample should remain at which of the following temps following collection?
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37 C
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which conditions produce glycosuria?
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Diabetes mellitus, Imparied tubular reabsorption/advanced kidney failure, and preeclampsia
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Charcot-Leyden crystals in stool may be associated with an immune response and are throught to be the breakdown products of what cells? (seen as pink above)
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eosinophils
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a test fo rmicroalbuminuria is used most often to monitor patients with with disease/condition?
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diabetes
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substances found in urinary sediment that are more easily distinguished by use of polarized microscope are what?
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lipids
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the reaction which differentiates crystals from starch is what?
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starch stains blue black with iodine
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a false positive tests for proein on a urine reagent strip may be caused by what?
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Bacterial contamination, urine that has remained at RT for an extended period of time, and alkaline medication
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Which reagent strip test is based on the Ehrlich aldehyde reaction?
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urobilinogen
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What kind of pH would you expect a meat filled diet patient to have?
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Acidic pH
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what kind of pH urine would you expect from a patient with a vegetarian diet?
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Alkaline pH
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this is one form of a crystal in the urine, which crystal is it?
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uric acid (1 form)
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what is this crystal found in the urine?
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uric acid crystal
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which test would confirm urobilinogen?
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Watson-schwartz test
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these crystals were found in the urine. what kind of crystals are they?
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leucine crystals
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what are these crystals found in the urine?
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cystine crystals
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