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BOC Urinalysis
Other Body Fluids
| Question | Answer |
|---|---|
| To avoid falsely elevated spinal fluid cell counts: | select an aliquot from the last tube collected |
| To prepare the reagent used for mucin clot determination of synovial fluid, water is mixed with: | glacial acetic acid |
| False-positive results can occur for fecal occult blood due to the ingestion of: | horseradish |
| The chromogen for the fecal occult blood test is: | gum guaiac |
| A build up of fluid in a body cavity is called: | an effusion |
| Ascites is collected by: | paracentesis |
| Amniotic fluid is tested for the concentration of lamellar bodies. This test determines: | fetal lung maturity (FLM) |
| Amniocentesis should be performed to: | to confirm a high maternal serum alpha-fetoprotein (MSAFP) |
| A sweat chloride > 60 mEq/L (60 mmol/L) is indicative of: | cystic fibrosis |
| The most common genetic defect associated with cystic fibrosis is called: | delta-F508 |
| A CSF was collected from a 5 year old with fever, and 3 tubes were transported to the lab. Tube1=50,000 RBC/mL and 48 WBC/mL. Tube 3=10 RBC/mL and 0 WBC/mL. What is the most likely explanation for the discrepancy? | traumatic tap |
| The appearance of normal CSF is: | colorless and clear |
| A CSF was hazy and the WBC was too high to perform undiluted. The technologist took 50 mL of sample and added 500mL saline. The cell count on the dilutd sample was 200 WBC/mL. This should be multiplied by: | 11 |
| The finding of hemosiderin laden macrophage in a CSF sample indicates: | previous hemorrhage |
| Which of the following is the best indicator of Reye syndrome for CSF (hepatic encephalopathy)? | glutamine |
| The tau isoform of transferrin is a carbohydrate deficient protein found only in: | CSF |
| Which marker can be used to identify a body fluid as semen? | PSA |
| Which stain is used to measure sperm viability? | eosin nigrosin |
| The demensions of a hemacytometer are: | 3 x 3 x 0.1 mm |
| Rapid forward progression of sperm is rated as: | 4.0 |
| Pilocarpine iontophoresis refers to the specific process of | Inducing sweat |
| Methods used as screening tests for cystic fibrosis include: | sweat conductivity |
| Which pair does not match with respect to amniotic fluid? | dark green- hemolytic disease of the newborn |
| Amniotic fluid is evaluated using a Liley graph and change in absorbance at 450 nm. What is being evaluated, and why? | bilirubin, which increased in HDN |
| Peritoneal lavage is used to: | detect intra-abdominal bleeding in blunt injury |
| Tumor markers that can be measured on body fluid include all except: | ANA |
| Which semen result is abnormal? | motility of 1.0 |
| Increased CSF lactate is found in: | bacterial meningitis |
| Decreased CSF protein can be found in: | CSF leakage |
| What calculation id used to determine if there is a breach in the blood-brain barrier? | CSF/serum albumin index |
Created by:
skrr1988
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