Which of the following method is commonly used for the diagnosis of the acute amoebic dysentery? a) Hemagglutination inhibition test b) Compleman binding assay c) Proctoscope d) Culturing the stool sample e) Direct smear from stool samples
Q: Between Bacillus megaterium, Bacillus sphaericus, and Bacillus subtilis, which are positve for…
A: MSA or Mannitol Salt Agar is a differential and selective medium that encourages the growth of some…
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: For each of the following aspects, compare and contrast the EnteroPluri-Test System to the API® 20E…
A: EnteroPluri-Test is a 12-sector system that consists of special culture media. which allows…
Q: Before using the EnteroPluri-Test System, what test must be performed to confirm the identity of…
A: Bacteria are single-celled microscopic organisms that thrive in diverse environments. Bacteria…
Q: Why is mannitol salt agar (MSA) considered both a selective and differential agar for staphylococci?
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…
Q: What are the purposes of the antimicrobial agents present in the selectivemedia used for the…
A: the purposes of the antimicrobial agents present in the selective media used for the isolation of…
Q: Does a positive presumptive test mean that the water is absolutely unsafe to drink? Explain. 2.…
A: Presumptive tests are cheaper than the confirmatory test. These tests are conducted to ensure the…
Q: Why is an organism such as Staphylococcus adapted to growth on the human skin whereas the…
A: An organism is able to grow well in an environment which it find suitable in terms of pH and…
Q: what practical importance are air-borne microorganisms to the laboratory workers? What precautions…
A: Air is the carrier of many microbes. These microbes that are suspended in air particles are called…
Q: What is the drug of choice for patient who had S. Aureus culture? Why?
A: Staphylococcus aureus is responsible for a wide range of symptoms and illnesses. Penicillin is the…
Q: Why is glucose not the choice of carbohydrate for most differential media used in the identification…
A: Bacilli present in the intestinal tract are rod shaped bacteria.for example, enteric bacteria…
Q: What is the principle of the coagulase test result? How does coagulase contribute to the virulence…
A: Coagulase test is used to detect whether the microbes present in media produce coagulase or not.
Q: Why might members of Campylobacter not be isolated from a stoolspecimen in a diagnostic laboratory?
A: Efficient Detection of pathogenic organisms ensures the success of laboratory techniques. It is…
Q: What is the Key Gross Morphology Characteristics on different Primary Plating Media for Enterococcus…
A: Various agar medium are used for plating in order to grow different gram positive and gram negative…
Q: Explain how the type of hemolysis can be used to tell apart two species that would look the same…
A: Hemo means blood and Lysis means destruction so hemolysis is destruction of blood. Bacteria show…
Q: How do you identify Enterobacter aerogenes for the Urea test?
A: Enterobacter aerogenes are gram negative;motile;rod shaped bacteria which are responsible for…
Q: Which media is used to determine if members of the Enterobacteriacae is motile: Sulfur Indole…
A: Introduction: The Enterobacteriaceae are a large bacterial family that contains several well-known…
Q: The patient, who presented with complaints such as sore throat, fever, weakness, and swollen…
A: Streptococcus pyogenes is a beta hemolytic gram positive bacterium that serve as the causative agent…
Q: why are urine culture described as semiquantitative?
A: Urine culture is a method of culturing the uropathogens such as E. coli, Candida spp. (yeast) etc in…
Q: Why is it difficult for the colon to reestablish a beneficial flora after several antibiotic…
A: Each person has a unique microbiota. This microbiota results from genetic inheritance and…
Q: a specimen from an infected wound has been submitted to the clinical laboratory. explain in detail…
A: Viruses, bacteria, fungus, protozoa, and helminths are the five types of disease-causing agents…
Q: What is the best lab test to perform for a unknown intestinal bacteria?
A: Bacteria found in the intestine or colon region of the digestive tract since the pH of the stomach…
Q: Provide an explanation as to why disinfectants, calcium alginate, and cotton swabs should not be…
A: Neisseria gonorrhea which is also called gonococcus is a gram negative bacteria that causes sexually…
Q: what is the media of culturing salmonella typhi?
A: Salmonella typhi Salmonella typhi is a parasitic bacteria that infect blood and intestine of human…
Q: Is Bacillus cereus negative or positive for growing in high salt concentrations?
A: Bacillus cereus is a gram-positive, endospore forming, non-capsulated bacillus, motile with…
Q: What is the most commonly used fixative in stool samples and why? Why is staining of stool samples…
A: What is the most commonly used fixative in stool samples and why? Why is staining of stool samples…
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 UV treament more or less effective than disinfection when used against Saphylococcus aureus?
A: Saphylococcus aureus is a gram-positive bacterium that is found in the human nose, skin, and…
Q: What are the shape, arrangement and gram staining use of the following? Staphylococcus aureus…
A: The bacterial morphology and Gram staining is very much important to study a particular type of…
Q: Enterotube: Which group of bacteria are detected using this test? Which specific chemical tests are…
A: The Enterotube is an illustration of a quick, multi test framework utilized in Identifying of…
Q: Which antibiotic listed would be most effective against E Coli?
A: Kirby-Bauer is a type of disk diffusion susceptibility test, which is used to determine the whether…
Q: What can you expect to find in lab test based on the fact that the pathogen is an intestinal…
A: In a broadest and oldest sense, a pathogen is anything that can cause disease. It can also be…
Q: Why would the reduction in the viable norovirus be much larger in a phosphate buffer solution than…
A: Norovirus is a type of virus that belongs to the family of Caliciviridae. It is commonly called the…
Q: Why do we need to transport the throat swab using transport culture medium?
A: Transport media are essentially solutions of buffers with carbohydrates, peptones and other…
Q: What is the motivation behind the use of stab slant and surface inoculation
A: Agar slants are prepared by adding the agar media to the test tube and allowing it to cool in a…
Q: What is the antimicrobial removal device (ARD) blood culture system? Why is it important?
A: The blood culturing system helps in the identification of the pathogens that is present in the blood…
Q: If a patient suspected to have sepsis or meningitis, samples for bacterial testing should be taken…
A: Microorganisms are small organism that cannot be seen by naked eyes. Microorganism can be harmful to…
Q: What is bactericide exposure?
A: The term bactericide is related to bacteria. Bacteria are unicellular and prokaryotic organisms that…
Q: Why is aseptic urine collection important when cultures are ordered? If you counted 20 colonies…
A: Urine collection for the urinary tract infection.
Q: What test can be performed to differentiate the enterococci from other group D streptococci?
A: Group D streptococci are separated into enterococcal species, including S. faecalis, S. faecium, and…
Q: 1. Differentiate between defined and undefined culture media. 2. Define alpha, beta, and…
A: The culture medium is a solid, semi-solid or liquid substrate that is rich in nutrients and other…
Q: please explain Bacillus cereus and its shape, arrangemnet, why indole test, starch hydrolysis test,…
A: The infection caused by B. cereus is usually self-limiting and does not require treatment. The…
Q: Is Nitrate reduction test a efficient test for unknown intestinal bacteria?
A: Nitrate Reduction Test is used to determine the ability of an organism to reduce nitrate (NO3) to…
Q: Why are aseptic techniques implemented during inoculation?
A: Aseptic means without contamination and Inoculation means transfer of a bacterial sample onto a…
Q: Identify the microbe: A. GPC, Catalase (-), alpha hemolysis, P disk (R), Bile solubility (-), PYR…
A: Introduction : Gram Staining, Commonly Known As Gram's Method, Is A Staining Technique That Is Used…
Q: Describe the appearance of coliforms on Levine EMB agar.
A: Coliform bacteria are found in a diverse range of places like waste products of animals, water…
Q: Which of the following is true regarding pathogenic strains of Staphylococcus and Streptococcus,…
A: Staphylococcus are gram-positive cocci that grow in clumps whereas streptococci are also gram…
Q: What is the definition of the term Resistant? How do you detect that your microorganism is…
A: Resistant- ability of bacteria to endure the effects of a damaging chemical substance is known as…
Which of the following method is commonly used for the diagnosis of the acute amoebic dysentery?
a) Hemagglutination inhibition test
b) Compleman binding assay
c) Proctoscope
d) Culturing the stool sample
e) Direct smear from stool samples
Step by step
Solved in 2 steps
- Which streptococci are implicated in the development of dental caries? What is the mechanism of their formation?If there is a causal relationship between the presence of H. pylori and ulcers, how might you explain that 50% of the patients with a normal endoscopic examination were infected with the bacteria?other than contributing to the virulence of the organism, what other functions do capsule have?
- The general public takes for granted the link between an infectious agent and a given infection Discuss the requirements established by Koch, the nineteenth-century German scientist, before ascertaining, for instance, that Helicobacter pylori bacterium is the cause of the gastric ulcer. Why is it so essential to meet these conditions?The most common bacterial cause of diarrhea in the United States is________________what practical importance are air-borne microorganisms to the laboratory workers? What precautions should be taken to control laboratory contaminants?
- Why is it difficult for the colon to reestablish a beneficial flora after several antibiotic treatments?Why is a "needle" used to inoculate?The patient, who presented with complaints such as sore throat, fever, weakness, and swollen tonsils, was examined by an ear, nose and throat doctor. Having diagnosed the patient with Streptococcus pyogenes pharyngitis, the doctor requested a throat culture from the patient to confirm the accuracy of the diagnosis. a. In which environment does the Laborant develop Streptococcus pyogenes in the throat culture taken from the patient with a swab? Explain by explaining. b. Laborant is Strep in mixed culture, which is formed as a result of throat culture that he developed (cultivated). Using which methods to analyze and determine pyogenes phenotypically? c. Phenotypically detected Strep. The laboratory technician, who differentiates the pyogenes from other bacterial species in the environment, develops the bacteria in which specific environment using which method? Explain by explaining.
- . When is the best time for preparing smear for malaria?what is the extraction of the causal organism from inoculated host?For each of the following aspects, compare and contrast the EnteroPluri-Test System to the API® 20E System for Enterobacteriaceae identification. a. time requirement b. specimen preparation c. tests utilized d. anaerobic conditions e. interpretation of results