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Blood Tests 6
Common Microbiology Tests
| Question | Answer |
|---|---|
| Acid Fast Bacilli (AFB) | Positive stain mean pulmonary tuberculosis; used to monitor the treatment for TB |
| Blood Culture | Positive culture results (bacterial growth in media) indicate bacteremia or septicemia |
| CLOtest | Presence of Helicobacter pylori |
| Culture & Sensitivity (C & S) | Growth of a pathogenic microorganism indicates infection (culture); in vitro inhibition by an antibiotic (sensitivity) allows the physician to select the correct treatment. |
| Fungus culture and identification | Positive test detects the presence of of fungi and determines the type |
| Gram Stain | Positive stain for specific types of pathogenic microorganisms permits antimicrobial therapy to begin before culture results are known |
| Occult Blood | Positive test indicates blood in the stool, which is associated with gastrointestinal bleeding from carcinoma |
| Ova and Parasites | Microscopic examination of stool sample showing ova and parasites solves many "etiology unknown" intestinal disorders |