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: What is indirect immunofluorescence microscopy?
A: BASIC INFORMATION MICROSCOPY It is a field in which the microscope used in order to objects which…
Q: Do you think UVC disinfection of N95 face masks is effective? Give two important considerations for…
A: At the time of Covid-19, N95 masks are currently considered critical supplies by the centers for…
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: 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: in the clinic, the acid-fast stain is used to diagnose infection with which bacterium?
A: The Ziehl-Neelson (ZN) stain is the most commonly utilized of the different types of AF staining…
Q: What is the methods used for identifying unknown bacteria?
A: Ability of identifying various microorganisms have many important application.For example,in the…
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: Why was a blood agar, rather than a nutrient agar, plate used for the culture from your mouth?
A: Cultured bacteria are any bacteria that grow in the lab by the microbiologist using the required or…
Q: When bacteria from a throat swab are streaked on blood agar, why is the agar stabbed several times…
A: The initial identification of the streptococcal and enterococcal species is based on their hemolytic…
Q: How does pasteurization help us in our everyday life even before it was discovered?
A: As recently as the nineteenth century, humans risked serious illness or even death by drinking…
Q: describe the agar-overlay technique
A: Biological techniques are processes or methods for trying to study living things. They include…
Q: Is UVC disinfection of N95 face masks effective? Give two (2) important considerations for UVC…
A: Decontaminating masks could be effective against the shortage of masks in pandemics.UVC…
Q: What is the significance of heat fixing the smear?
A: Gram staining is a common laboratory technique in microbiology that is used to differentiate…
Q: What are the applications for Pasteurization, Autoclaving, UV irradiation, and Gamma irradiation?
A: It is required to mention the application of Pasteurization, Autoclaving, UV irradiation, and Gamma…
Q: How is household bleach like a weapon against pathogenic bacteria?
A: pathogenic bacteria are those bacteria which can cause disease . they have to be eradicated .
Q: You have learned many different techniques so far this semester that allow us to identify pathogenic…
A: A pathogen is an organism that causes illness in its host, with virulence referring to the intensity…
Q: I Why does't a negative stain colorize the cells in the smear?
A: Staining is a technique which is used for enhancement of contrast in samples mostly at the level of…
Q: What would happen if you had skipped the heat fixing step and continued with the staining procedure?
A: There are various staining methods are used for staining the bacteria, namely simple staining,…
Q: How can I tell if there is contamination?
A: RFLP is a type of DNA polymorphism that has DNA sequence variations that can be recognized by…
Q: What is immunofluorescence microscopy
A: Immunofluorescence microscopy is a technique used for light microscope with a fluorescent microscope…
Q: Why is it important to use sterile practices when working with microorganisms?
A: Microscopic organisms such as bacteria, fungi (mold and yeast), protists, archaea, algae,…
Q: Why might viable cell cultures be of more use in microbialtaxonomy than preserved specimens?
A: Microbial taxonomy is a field of biological sciences that deals with the grouping of microorganisms…
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: microbial CELLS is the most RESISTANT to disinfectants and antiseptics?
A: Prions are the infectious agent which are misfolded proteins having the ability to transmit their…
Q: What is the difference between cleaning, sanitizing, and disinfecting?
A: Cleaning, sanitization and disinfection are the process of making an area free from all the visible…
Q: Which stains are selective in microbiology?
A: INTRODUCTION Gram staining, acid fast staining, capsule staining and volutine granule staining are…
Q: How can a suspect bacterium be fingerprinted?
A: DNA fingerprinting is a technique for detecting a high number of minisatellites in the genome at the…
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: True or false? it is possible to kill or remove all microorganisims by hand washing or using…
A: Microorganisms are small organism that cannot be seen by naked eyes. They include bacteria, fungi,…
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: 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: Are there any natural disinfectants, sanitizers that we can use in our household to prevent…
A: Disinfectant are those chemical agents which helps in inactivation or destruction of microorganisms…
Q: Benefits of UV light sanitizer spray gun
A: Spray gun can be of two types. First type of spray gun that spray out wet mist while the second type…
Q: What things can be done during sample collection of a sick patient to help eliminate the culture of…
A: Normal flora is the organisms that are present in the body for normal functioning. The normal flora…
Q: which antiseptic do you think will be most effective against the probiotic? Why?
A: Probiotics are live microorganisms that have direct health benefits when consumed . They are usually…
Q: Why should freshly collected samples be used for microscopic examination?
A: The benefit of the microscope is that it produces a better resolution than the naked eye. The higher…
Q: f an antimicrobial removal device (ARD) bl
A: Introduction- antibiotic removal device (ARD) it is used to extraxt residual antibiotics in blood…
Q: How is staining techniques useful in the clinical settings
A: Staining: A sample at the microscopic level can easily be visualized and distinguished from the…
Q: What is MDMA ?
A: As a result of the biochemical reactions, the body creates a variety of chemical compounds. Some…
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: Does the gram staining method still have a place in today's world of advanced diagnostic methods? If…
A: Gram staining is a type of staining which is used to differentiate bacteria on the basis of…
Q: why is it important that you disinfect your work area both before and after working with bacteria?
A: Bacteria are present everywhere in each and every corner,present on non-living surfaces and as well…
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…
Q: Are there technologies that can help make Bacterial Culture and Sensitivity done faster?
A: Microbial culture refers to the culture or growing the bacteria in the laboratories on liquid and…
Can hand sanitizer kill bacteria?
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Solved in 2 steps
- Why do we need to stain microorganisms?How is household bleach like a weapon against pathogenic bacteria?Jessica placed crystal violet ,grama's iodine and safranin reagents on her bench.Which staining procedure is she preparing for with these reagents? a)Grama's staining procedure b)simple staining procedure c)Acid -fast staining procedure d)Non -acid fast staining procedure e)Scaeffer -Fulton staining procedure
- Why bacteria require staining before microscopic examination?In preparing a bacterial smear for staining, heat fixation is done after the smear dries up.a.) Give the purpose of heat fixation.b.) What can be observed in wet mounts or hanging-drop slides that cannot be observed in heat-fixed slides?Why are thick or dense smears less likely to provide a good smear preparation for microscopic evaluation?