Q: Why is skin contamination such a big problem in blood culture test?
A: Contamination can arise during the preparation of the venipuncture or catheter insertion site, the…
Q: Alchohol based hand sanitizers are effective against influenza. True/False?
A: Influenza is a viral infection caused by the influenza virus. It is commonly known as flu. There are…
Q: What is the purpose of an agglutination reaction test?
A: Antigen are the foreign substances to the body in the form of proteins, carbohydrates which may…
Q: How is the Elisa test quantified?
A: ELISA test helps in detecting the presence as well as the concentration of an analyte in a sample.…
Q: What would be the expected out come of a phenol red test If the bacteria is a pathogenic intestinal…
A: Phenol Red Broth is a general-purpose differential test medium typically used to differentiate…
Q: Figure 1. Cytotoxicity test on 96 well plates that was monitored by ELISA reader 3- Discussion 1-…
A: The degree to which a substance can harm a cell is referred to as its cytotoxicity. Cytotoxic refers…
Q: Triple Sugar Iron slant for Staphylococcus Epidermidis , tell me the results I would get if I did…
A: The Triple Sugar Iron (TSI) test may be a microbiological check roughly named for its ability to…
Q: Which test below could be used to identify antibodies against pandemic coronavirus in a person…
A: Covid sickness (COVID-19) is an irresistible illness brought about by a newfound Covid. A great…
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: How will you prevent the occurrence of the bacteria present in the Rapid Strep A Test?
A: Answer: Rapid Strep A Test (Rapid strep test) is a test used to identify the presence of Strep A…
Q: List at least 10 laboratory tests that use whole blood as a test sample.
A: 10 laboratory tests that use whole blood as a test sample.
Q: What is the action of dexamethasone in the suppression test?
A: The disease is a state which is deviated from the normal condition. A disease can be caused by the…
Q: What are the advantages and disadvantages of the viable plate count method?
A: Microbiology is the branch of science that studies microscopic organisms. As microorganisms are not…
Q: You counted 40 colonies on a plate in your dilution series. The plate was inoculated with 1.0ml from…
A: A microbial sample will have enormous amount of cells. To estimate this by calculation, the sample…
Q: Describe how an ELISA test is performed, how the test works and provide examples of ELISA tests.
A: ELISA is an Enzyme-Linked Immunosorbent Assay, which is used to detect antibodies or antigens in the…
Q: Which peptide will yield the following qualitative results? Fohl's Test (+) Sakaguchi Test (+)…
A: Amino acids are the basic building units of proteins. These amino acids join together to form…
Q: Describe the Xanthroproteic test. What does the Xanthroproteic test detect?
A: Proteins are one among different biomolecules present in the body, and they are the building blocks…
Q: The best medium for using antibiotic susceptibility testing is _________________, the reason why…
A: Antibiotic susceptibility test is basically used to measure the ability of an antimicrobial agent or…
Q: ELISA requires the use of blocking solution; what is the purpose of the solution?
A: The enzyme-linked immunosorbent assay captures target antigens (or antibodies) in samples using a…
Q: What does the presence of gas in the Durham tubes for the presumptive test indicate?
A: Presumptive test : it is a test to identify bacteria from the large soil, water medium. It is known…
Q: What are the examples of organisms that belong to the positive test in in-dose test?
A: Tryptophan is an amino acid that can undergo deamination. Indole is generated by reductive…
Q: How do eosin-methylene blue (EMB) agar plates work? What organism(s) are they designed to detect?…
A: Several tests are performed in the laboratory in order to detect several bacterial agents as well as…
Q: how does immunoessay technic shows the Bence-Jones protein in the urine for the diagnosis of the…
A: Bence jones's proteins are composed of dimers of light chain immunoglobulins S and due to their…
Q: Provide reasons for false-positive nontreponemal test results.
A: Syphilis is an infectious systemic venereal disease caused by the spirochete bacterium Treponema…
Q: What other infections or conditions can be detected by an ELISA?
A: The Enzyme-Linked Immunosorbent Assay (ELISA) is a technique used to detect antibodies or infectious…
Q: Is tripple sugar iron test a efficient test for unknown intestinal bacteria?
A: Triple sugar iron agar is a differential medium that contains lactose, sucrose, a small amount of…
Q: Is phenol red test a efficient test for unknown intestinal bacteria?
A: Fermentation of carbohydrates is the method used by microorganisms to produce energy. Phenol Red…
Q: Explain how staphylococcus capitis test is different from streptococcus salivarius test ?
A: Streptococcus salivarius and Staphylococcus capitis are both pathogens for humans. These two…
Q: What does the direct ELISA test for?
A: ELISA(enzyme-linked immunosorbent assay) is a biochemical assay to detect the presence of ligand…
Q: What is the color result of tryptophan,tyrosine and phenylalanine in xanthoproteic test? Results and…
A: Xanthoproteic test was a specific test that was done to detect the presence of aromatic amino acids…
Q: Which test require a straight line inoculation? Choose all that apply
A: Answer: STRAIGHT LINE TECHNIQUE : It is the streaking technique of bacterial colony over the agar…
Q: What is the proper way of Modified Allen test?
A: Allen test are the tests used to assess the arterial blood supply of the hands. This test is used…
Q: What is the purpose of the antimicrobial susceptibility test? What information can you gather from…
A: Antimicrobial tests are used to determine which specific antibiotics a particular bacteria or fungus…
Q: Which test require a straight line inoculation? Choose all that apply. A) Bile esculinase B) NaCl…
A: Inoculation is a form of immunisation that involves the introduction of an infectious material onto…
Q: What is a secondary antibody in an ELISA test?
A: Enzyme-linked immunosorbent assay (ELISA) is an assay technique used for detecting and quantifying…
Q: What test best matches the image below? O Novobiocin O ELISA O DNA hydrolysis O MSA
A: DNA hydrolysis test or DNase test is commonly performed test to check the ability of the organism to…
Q: State whether Staphylococcus epidermidis and Staphylococcus aureus are negative or positive for…
A: Voges-Proskauer test detects whether bacteria ferments glucose into acetylmethyl carbinol or not. If…
Q: Between Bacillus megaterium, Bacillus sphaericus, and Bacillus subtilis which are positive or…
A: The VP test detects organisms that utilize the butylene glycol pathway and produce acetoin. It…
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A: Malaria is a vector-borne disease that is caused by the parasite Plasmodium. This disease is…
Q: UNKNOWN DNP test Tollens Benedicts + orange solid RESULT Silver mirror red precipitate
A: Functional groups are chemical motifs, that have a common function. The most important functional…
Q: Based on these blood agar results, can you identify what type of hemolysis are occurring in these…
A: Hemolysis is the destruction of red blood cells. It can occur due to different causes and leads to…
Q: what is the tuberculin test, and why is it used in clinics?
A: Tuberculin test It is a screening test for tuberculosis (TB). It is performed by injecting a small…
Q: Below is a picture of ELISA results. Why is the color darker in some wells and lighter in others?…
A: Biochemical tests are those that are used for the detection of different bacterial species based on…
Q: which three items requires the use of Manual Antimicrobial Susceptibility Testing
A: Answer: Antimicrobial Susceptibility Testing : It is the manual testing for the drug used as an…
Q: serology (elisa) lab: What does ELISA stand for?
A: ELISA is an immunoassay.
Q: Describe results from a coagulase, DNase, and novobiocin test that would suggest a mixed culture was…
A: Staphylococci are Gram-positive spherical bacteria that occur in the form of grape-like clusters.…
Q: What is Hemin test and Benzidine test?
A: Hemin test - Hemin can be produced from haemoglobin by the so-called Teichmann test, when…
Q: Create an illustrated step-by-step schematic diagram of the following Qualitative test for…
A: Baudouin Test and Huble’s Test are two qualitative tests for Oil/fat/lipid.
What two S. aureus antigens are being detected with the use of this test kit?
Antigen is a substance that is capable of stimulating an immune response. Specifically, it activates lymphocytes, which are the body’s infection-fighting white blood cells. In general, there are two main divisions of antigens are recognized, namely foreign antigen and auto-antigens.
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- The VP test is a confirmatory test. In what situations would this test be utilized?Why is important to note the Kit / Lot number and expiration date for each kit or tests done from each ELISA kit?In not more than 100 words, What antigens/strains are used for the Weil-Felix test, and from what bacteria are they from respectively?
- Why are two negative controls included in an ELISA testWhat is this type of test called? What specific antigen did we use it for? What organism was identified with the test? How did you know it was positive? How did you know it was negative? How did you know the test was valid?What is a secondary antibody in an ELISA test?
- What part of the test tube changes color first (in Resazurin Reduction Test)?What other test can be used to confirm the results obtained in this ELISA test? Name and very briefly describe one other test. Give the reason for your choice.How does a positive reaction in an ELISA test appear? How manywells are positive in figure ?