Q: What is the difference of washing from hand disinfection?
A: Introduction:- Hand hygiene is very important for health. Hands are very important route of germs…
Q: what is the procedure and materials you need to stain Staphylococcus aureus?
A: Staphylococcus aureus is a Gram-positive, round-shaped bacterium hat belongs to the Firmicutes and…
Q: What is the purpose of fixing a smear?
A: Smear- a smear is a thin layer of a sample such as bacterial cells or blood spread evenly on a glass…
Q: Why is it important to limit the quantity of cells used to prepare a smear?
A: A thin layer of cells or tissues that are taken from the body of an organism under study which is…
Q: - Give two reasons for heat fixing a smear before staining.
A: Heat fixing denatures bacterial enzymes, preventing them from digesting cell parts, which causes the…
Q: Why and How is brick weathe resistant?
A: Bricks likewise score high corresponding to the climate, as they are made from natural materials…
Q: What is the purpose of flame-sterilizing the mouth of the test tube and the side of the Petri dish…
A: Flame is an excellent way of cleaning a surface from contaminating organisms. Instant high heat…
Q: How did Georg Gaffky cultured Salmonella Typhi?
A: Salmonella enterica is a kind of bacteria. Typhoid fever is caused by a gram-negative bacteria…
Q: Why bleach disinfectant will the most effective against probiotic?
A: Probiotics are live microorganisms that have health benefits when consumed. These are usually…
Q: What is the purpose of Thick smear? Purpose of Thin smear?
A: Blood smear:-Also known as peripheral blood smear. -Blood smear has many different uses ranging from…
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: What are the most common methods of male and female surgical sterilization?
A: Fertilization is a natural process of producing children and offspring where the male gamete(sperm)…
Q: How does the heaviness of a bacterial smear affect its microscopic analysis?
A: Microbiology is the study of microorganisms that are invisible to the naked eye. The microorganisms…
Q: What are Romanowsky stains? Name four of these.
A: Staining is a technique used to enhance contrast in samples , generally at the microscopic level.…
Q: Determine the microbiology tests used to identify the microorganism(cutaneous anthrax) i. Gram…
A: Cutaneous anthrax is the most common form of anthrax infection, and it is also considered to be the…
Q: Which microbe requires serum components to be added to the growth medium?
A: Some microbes are nutritionally fastidious and hence needs some substances to be added to the growth…
Q: Unwashed hand Hand wet with alcoholfor 10sec. Handwashing using hand soap for 20 sec
A: Standard laboratory practices are followed to prevent exposure to bacterial cultures.
Q: What is the application of differential centrifugation?
A: In the laboratories, different kinds of techniques and devices are used to separate components of a…
Q: What is the differece between disinfection and sterilization? What is the dfference between…
A: Disinfection and sterilization are essential for ensuring that medical and surgical instruments do…
Q: when heat treatment is used as to contril microbial growth, what is the immediate impact of this…
A: The process of killing microbes or preventing their growth is called as sterilization. Sterilization…
Q: How do we prepare smear
A: The preparation of a smear is required for many laboratory procedures, including the Gram-stain, for…
Q: Where should a label be written on an agar plate?
A: The aseptic technique is applied in a laboratory setup to reduce the risk of contamination. It…
Q: what is the culture media for Vibrio Cholerea?
A: ANSWER;- Culture media for Vibrio Cholera is a Laboratory Method for the Diagnosis of Vibrio…
Q: What is the purpose of a streak plate and how do you know one was successful? Explain.
A: In microbiology, the Streak plate method is used to get pure isolated colonies. As we know that a…
Q: Is there any difference between the effects of dipping versus swabbing?Which method appears to be…
A: Bacteria are very small. They cannot be observed with the naked eye. Every surface like a plant,…
Q: Is it important to have a standardized way of counting and reporting AFB seen on a direct sputum…
A: Acid-Fast Bacilli (AFB) is a bacterial species that causes tuberculosis in humans and testing of…
Q: Explain why the media where the Staphylococcus aureus is plated has turned yellow but the media…
A: Mannitol Salt Agar (MSA) is a differential and selective medium. A member of the staphylococcus…
Q: Which microorganism does not contain superoxide dismutase enzymes?
A: Superoxide dismutase (SOD) is an enzyme found altogether in living cells. An enzyme could be a…
Q: Oven sterilization of aqueous culture medium. Effect: Rationale:
A: Oven sterilization utilizes dry heat of about 160 or 170 degrees celsius for one hour or 30 minutes,…
Q: What are the principle and basic concepts of SMEAR PREPARATION? (please explain it thoroughly in a…
A: Introduction A smear is a small amount of culture spread in a very thin film on the surface of the…
Q: If you prepare culture media plates 2 days ahead of the laboratory schedule, can you still use the…
A: Preparation of culture media and inoculation are two of the very sensitive steps in any…
Q: What is an alternative to autoclaving for sterilizing heat-sensitive materials?
A: Any process that kills, eliminates, deactivates, or removes all forms of microorganisms and…
Q: Describe the procedure and purpose for making streak plate.
A: Streak plates involves the streaking of the inoculum over the surface of the agar resulting in its…
Q: What is selective medium?
A: Description of a selective medium.
Q: Why is NSS preferred over water in preparing fecal smear?
A: Introduction: Normal saline is a crystalloid liquid that is an aqueous solution of electrolytes and…
Q: Can hand sanitizer kill bacteria?
A: Sanitizer is referred to as any substance or fluid that is used to prevent the spread of pathogens…
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 advantages does alcohol have over hand soap for antisepsis of the skin?
A: Antiseptics are the chemical substances that inhibit the growth or kill the microbes that reside on…
Q: Why is it necessary to make a skin puncture to a depth of 3mm?
A: Phlebotomy refers to the process of puncturing the vein with a cannula to collect blood. Blood…
Q: Why is 15 minutes generally used for sterilization? Why is agar added to medium?
A: Sterilization is the process in which all life forms like microbes (fungi, bacteria, viruses,…
Q: How can moist heat sterilization can sterilize antibiotic solution?
A: Moist heat sterilization is a technique that uses heated, increased pressure steam to sterilize an…
Q: What is the procedure for methylene blue stain on e.coli?
A: Methylene Blue is a cationic stain, which binds to negatively charged parts of the cells, such as…
Q: What is the optimum growth temperature for most human pathogens? Explain.
A: Bacterial growth is the division of one bacterium into two daughter cells in a process called binary…
Q: What is the most difficult type of microbial cell or structure to kill? What methods can be used to…
A:
Q: What microorganisms other than coliforms are likely to give positive presumptive test?
A:
Q: How is the Gram stain used clinically to help identify the cause of an infection?
A: Gram stain or sometimes "Gram staining", likewise called Gram's method, is a technique for staining…
Q: Is Staphylococcus epidermidis catalase positive or negative?
A: Staphylococcus epidermidis Introduction:- Gram-positive bacteria Basically, it is harmless Present…
Q: Is Vinegar a disinfectant?
A: It is not an EPA-registered disinfectant that means it won't kill 99.9 percent of bacteria and…
Q: What method can be used to achieve sterilization?
A: It is required to describe the method to be used to achieve sterilization.
Q: What is the purpose of using the streak plate method?
A: Solution- Introduction - Streak plate technique is used for the isolation into a pure culture of…
What is the significance of heat fixing the smear?
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