Term
| when do you collect fecal specimens? |
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Definition
|
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Term
| what should you avoid in fecal specimens? |
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Definition
| barium, sulfate, mineral oil, bismuth, non-absorbable anti-diarrheal preparations, anti-malarials and some anitbiotics |
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Term
| what are the two collection schedules to follow? |
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Definition
| 3 specimens within 10 days or 6 specimens within 14 days |
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Term
| Types of fresh specimens (3) |
|
Definition
| liquid, semi-formed, and formed |
|
|
Term
| Liquid specimen examination length |
|
Definition
| within 30 minutes of passage |
|
|
Term
| semi-formed specimen examination length |
|
Definition
|
|
Term
| formed specimen examination length |
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Definition
|
|
Term
| Fecal specimen preservatives (4) |
|
Definition
| PVA, Formalin, MIF, and SAF |
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|
Term
| Smears for microscopic examination (3) |
|
Definition
| direct, concentration and stained |
|
|
Term
| Gastrointestional specimens (3) |
|
Definition
| sigmoidoscopy material, duodenal contents, and cellophane tape preparations |
|
|
Term
| Type of antigen detection (3) |
|
Definition
|
|
Term
| What is DFA used to detect? |
|
Definition
| Giardia and Crytoporidium |
|
|
Term
| What is EIA used to detect? |
|
Definition
| E. histolytica, Giardia, Cryptosporidum, and T. vaginalis |
|
|
Term
| What are probes used to detect? |
|
Definition
|
|
Term
| Which parasite is detect by antibodies? |
|
Definition
|
|
Term
|
Definition
| Urogenital specimens, sputum, aspirates, spinal fluid, biopsy material |
|
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Term
| Explain the ova & parasite test for stool parasites |
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Definition
| The ova and parasite test for stool parasites include three separate protocols: the direct wet mount, the concentration, and the permanent stained smear. The wet prep detects motile protozoan trophozoites in fresh stool. The concentration detects protozoan cysts, coccidian oocysts, microsporidial spores and helminith eggs and larvae from sedimentation or flotation. |
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|
Term
| What stains are used in O & P? |
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Definition
| The permanent stain is to detect intestinal protozoa. The typical stains used are Wheatley modification of the Gomori tissue trichrome and the iron-hemotoxylin stains. |
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