What does the presence of gas in the Durham tubes for the presumptive test indicate?
Q: What gram-positive bacterium can give a positive presumptive test?
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A: A faecal smear is a stool specimen that is tested in a laboratory.
Q: What is the source of the mold that grew on the samples?
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Q: If the test method used in the laboratory varied from the specification, how will it affect the…
A:
Q: which bacteria is Coccobacillary,gram negative, non motile and negative oxidase test?
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Q: Why is it a mistake to use the same syringe, even with a new, sterile needle?
A: Injections are used for administration of drugs, contraceptives, vaccines or any other therapeutic…
Q: Where did evidence of SRY come from?
A: SRY is a gene which is found on chromosome Y. It is male sex determination factor in Human beings.
Q: Why might the enteropluri tube system fail to identify the organisims tested?
A: The enteropluri tube system is used in the rapid identification of the gram-negative bacilli from…
Q: Does a positive presumptive test mean that the water is absolutely unsafe to drink?
A: In microbiology, the presumptive test is used to find out whether gas-forming lactose fermenters…
Q: What pathogenic agent undergoes the Sigmoidoscopy Material procedure?
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Q: What test would confirm the presence of Bacillus Cereus?
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Q: What stage of infection did the chloroquine treat?
A: Chloroquine is a very popular antimalarial drug available in the market. It is highly effective…
Q: What is the purpose for testing a specimen for hydrogen sulfide production?
A: Hydrogen sulfide is produced when a bacterial strain reduces the sulfur compounds. The specimens…
Q: What force was responsible for the movement of substances through the filter paper?
A: Filter paper is made up of cellulose and thus functions as permeable membrane and movement of…
Q: Why was it necessary to also test the patients for HBV and HIV? Why is it a mistake to use the same…
A: Ans: HBV is the Hepatitis B virus and HIV is the Human immunodeficiency virus. These two are highly…
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Q: The color of the positive result for Iodine Test.* A. Pinkish B. Orange-Brown C. Blue-Black D.…
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Q: What are the possible sources of contamination that may result during the streak plate procedure?
A: The streak plate procedure is used to isolate microbial colonies in pure form. During the procedure,…
Q: What is a Urease test
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Q: What is the best lab test to perform for a unknown intestinal bacteria?
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Q: Provide reasons for false-positive nontreponemal test results.
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Q: Why is it a mistake to use the same syringe, even with new , sterile needles?
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Q: What is the result of Staphylococcus epidermidis in the TSI agar test?
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Q: What color tube is used for creatinine test?
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Q: What does the direct ELISA test for?
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Q: What would the results of the Durham tubes be for Staphyloccocus Epidermides?
A: Durham tubes are the tubes which are used in microbiology. They are used to detect the presence of…
Q: Why is a nose clip necessary for obtaining a valid spirogram?
A: The lungs are organs involved in ventilation, that is, inhaling and exhaling air. During inspiration…
Q: What is the significance of reporting the color and consistency of a stool specimen
A: Stool is the undigested portion of food intaken.It consists of waste products that are eliminated…
Q: How common is the flotation technique being done in the Philippines?
A: Keeping in the eye the increase in a number of gastrointestinal infections, the best solution that…
Q: What purpose was served by filtering the milk sample after the addition of acid?
A: Milk is a white color liquid which is consists of various proteins and vitamins. Milk is an…
Q: What are the clinical significance of red, black, and gray colored stool specimens?
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Q: why is the recommended incubation procedure for the API 20e system 18 to 24 hours ?
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Q: Why is it important to use the correct/proper dissecting tools?
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Q: Answer 6-7 sentences each. pleaseee badly need it ASAP State the importance of familiarizing with…
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Q: What microorganisms other than coliforms are likely to give positive presumptive test?
A:
Q: What test would confirm Salmonella enterica?
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Q: Why should the specimen be albumin free when performing the chloride test for urine?
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Q: Is the ant test the same as the odor test in the physical examination of urine?
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Q: Is Nitrate reduction test a efficient test for unknown intestinal bacteria?
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Q: which tests involves deliberate contamination of an inanimate surface with a mircobial suspension?
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A: Centrifugal force : centrifugal force is the force that applies on a particle moving in a circular…
What does the presence of gas in the Durham tubes for the presumptive test indicate?
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- If the test method used in the laboratory varied from the specification, how will it affect the results? What factors contributed to possible errors in laboratory results?What part of the test tube changes color first (in Resazurin Reduction Test)?What purpose was served by filtering the milk sample after the addition of acid?