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Chemotaxonomy is the research of microbial cell biochemical variation and the use of chemical properties to the categorization and recognition of bacteria. Chemotaxonomic indicators are occasionally utilised as botanical identification indicators or as industrial aids to verify product uniformity.
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- In a screening test for Chlamydia, the sensitivity is 83% and specificity is 50%. A total of 800 subjects were screened, of whom 90 actually had Chlamydia (confirmed through follow-up testing). Calculate and interpret the Positive and Negative predictive values.Why are specimens for bilirubin testing protected from light? Discuss handling procedures for bilirubin samples.The predominance of squamous epithelial cells with few WBCs in a sputum sample would be adequate for diagnosis and culture. true false
- Explain the following tests using Pseudomonas aeruginosa. Describe the purpose, reagents used and the results using Pseudomonas aeruginosa.Create an illustration showing a passive haemagglutination reaction in TREPONEMA PALLIDUM HAEMAGGLUTINATION TEST (TPHA)Kligler’s iron agar and SIM are multiple test media.What physiological characteristic is detected by both of these media?
- Which microorganism has a positive Buffered Azide Glycerol Glucose Test? Streptococcus agalactiae Streptococcus pneumoniae Streptococcus faecalis Streptrococcus pyogenesCaffeine is used in bilirubin assays to: 1) Stop the diazo reaction 2) Accelerate indirect bilirubin reaction 3) Accelerate direct bilirubin reaction 4) Precipitate proteins 5) Reduce sodium nitrite no references, just homeworkMycobacterium tuberculosis microbes are not easily killed by sunlight or drying. This is because this microbe forms spores as a protective mechanism. True False
- Work is being done with Mycobacterium tuberculosis in the microbiology laboratory. It is important to prioritize safety when working in the laboratory since the pathogen can produce high risks. Thus, the following protective materials should be present in the laboratory, EXCEPT:AutoclaveEffluent decontamination system Air-purifying respiratorPositive pressure protective sSpecimens collected for evaluation of porphyria should be Allowed to clot at room temperature for an hour, diluted to less than 25mg/dL creatinine, exposed to light and air to oxidize the analytes, or protected from light and stored coldA 72 YO 183lb patient diagnosed with an M. Chelonae infection has an order for amikacin 15mg/kg IV once daily for 2weeks (in addition to high dose cefoxitin). The amikacin is available in 2mL vials containing 500mg. How many mL will you administer each day?