Q: What gram-positive bacterium can give a positive presumptive test?
A: In microbiology, the presumptive test is used to find out the presence of gas-forming lactose…
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: You have performed a serial dilution of an unknown sample and counted 73 CFU on a countable plate…
A: Serial dilution is method of diluting a bacterial culture in succession. The process reduces the…
Q: What would be the expected out come of a triple sugar iron test If the bacteria is a pathogenic…
A: TRIPLE SUGAR IRON TEST 1.The Triple Sugar Iron test is a microbiological test having ability to test…
Q: Match the test with the appropriate reagent/ chemical a. DNA test b. Paper chromatography c.…
A: Genetic material is nothing but the sequence of nucleic acids which is called as DNA. It contains…
Q: What is the principle of Molisch test, Benedict test, Biuret test, Xanthoproteic test, Sudan test,…
A: The tests that are mentioned above are the tests used for identification of biomolecules like…
Q: which bacteria is Coccobacillary,gram negative, non motile and negative oxidase test?
A: Bacteria are microscopic organisms which belong to prokaryote because these are unicellular…
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: Give the uses/functions and images of each apparatuses Basic Laboratory Equipment Uses/Functions…
A: Antibiotic discs are used in microbiological studies to observe the effects of various antibiotics…
Q: m depth in d
A: Duke’s bleeding time test can be defined as 3-4mm deep pricking of the skin through a lancet or…
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: Discuss the underlying premise of each test that will be performed in this experiment. a. Biuret…
A: Amino acids are the building block of proteins. There are nearly 300 amino acids that occur in…
Q: Negative Control Unknown Isolate
A: Blood agar comes as a basal media and can be used as a general growth medium. Blood agar is an…
Q: In the Kirby-Bauer test, which of the following must be consistent? a. concentration of bacteria…
A: Kirby-Bauer test: It is an antibiotic test also known as KB testing. It is used to test which…
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: 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: 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: Describe the principles behind sensitivity testing for infectiousagents.
A: The susceptibility or sensitivity of microorganisms is an important factor that must be considered…
Q: What is the importance of adding NSS and Iodine in stool specimen for smears? Compare the two
A: Stool examination is required any abnormalities in gastrointestinal functioning
Q: Why are traditional tests such as metabolic test not always used to ID clinically important…
A: Traditional methods for identification of microbes include phenotypic tests or biochemical tests…
Q: What is the importance of using a test/control organism in describing the cultural characteristics…
A: The food materials on which the organism is developed is called culture medium and the development…
Q: Which medium is used for indole test and Coagulase Test?
A: Biochemical tests are used to identify microbial diversity based on variations in the biochemical…
Q: What is the Biuret test actually testing? Be specific. Why is it important to include a water only…
A: Introduction: The biuret test is an all-purpose test for detecting polypeptide chains in an analyte.…
Q: How does one can differentiate staphylococcus aureus from streptococcus, with the test use, color,…
A: • Staphylococcus aureus is the most risky of the entirety of the numerous normal staphylococcal…
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: What test can be performed to differentiate between group A and group C streptococci?
A: Bacteria are a group of prokaryotic microscopic single celled organisms. They live in diverse…
Q: In routine stool examination, what is a Floatation Technique? a.) What the procedure is used for…
A: Hello, as your question has many parts, we will only answer the first three parts for you and if you…
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 is the result of Staphylococcus epidermidis in the TSI agar test?
A: Bacteria are microorganism that most commonly occur in the soil, air, water and in adverse…
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: 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 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 test can help you differentiate staphylococci from streptococci? What reagent or media would be…
A: Both are gram positive bacteria.
Q: what components makes a test effective?
A: Testing effectiveness It refers to the effectiveness of how testing is performed or how the goal is…
Q: If you did the multiple-tube technique, list one advantage and one disadvantage of each method of…
A: Water from various sources obtained for routine testing were analyzed by Swedish standard methods…
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…
Q: how to find out the test is differential or selective in the microbiology lab test?
A: Many kinds of medias are used in microbial study. Two types of media having similar inferred names…
Q: Describe the step-by-step procedure for preparing a thick and thin smear to test for malaria.
A: Malaria is a vector-borne disease that is caused by the parasite Plasmodium. This disease is…
Q: What microorganisms other than coliforms are likely to give positive presumptive test?
A:
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: In the entrropluri tube system which test require the addition of reagents after the incubation time…
A: Entreropluri test system is a Enterobacteriaceae identifying system. It is use to identify some gram…
Q: which kind of sample gives positive result for Molish test?
A: It is a chemical test which is named after the botanist Hans Molisch. This test involves the…
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.
Q: Clear tubes in the MIC test were inoculated in Mueller-Hinton Agar to determine the MBC of the…
A: MBC - stands for minimum bactericidal concentration It is the lowest concentration of antibiotics…
What are the examples of organisms that belong to the positive test in in-dose test?
Step by step
Solved in 2 steps
