How common is the flotation technique being done in the Philippines?

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: What is a pure culture? Differentiate axenic culture from pure culture

A: Among the living beings on this planet, microbes play a very important role in the ecosystem, apart…

Q: Would it be proper to say that a patient has been disinfected? Why orwhy not?

A: The chemical treatment is the process in which disinfecting compounds like chlorine is added to kill…

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: Why is direct fecal smear a routine procedure in the parasitology section?

A: A faecal smear is a stool specimen that is tested in a laboratory.

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 is the level of contamination measured as number of colonies rather than size of colonies?

A: Microbiological contamination refers to the presence of unwanted or accidental introduction of…

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: How significant is cellulose tape perianal swab to the control of pinworm infection in the…

A: Pinworms are parasitic worms that are also known as threadworms or seatworms. It's a nematode and a…

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: Why is staining of stool samples very important in identifying parasites?

A: In this question it is to describe that why is staining of stool samples very important in…

Q: Between Shigella flexneri and Shigella sonnei, which are positive or negative for methyl red test…

A: Genus Shigellae are Gram-negative rod shaped, facultatively anaerobic, non-motile, non-spore-forming…

Q: s there an Australian standard method for analysing food samples for Staphylococcus aureus?

A: FSANZ sets food labeling standards in the food standard code. These standards are created by the…

Q: how is the streak plate technique used to isolate and purify psychrotrophic spoilage-causing…

A: Microbiology is an indispensable subject of biological sciences that concerns the study of microbes…

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: How do we prepare smear

A: The preparation of a smear is required for many laboratory procedures, including the Gram-stain, for…

Q: What is the laboratory's policy in decontaminating the plates? Since the growth of H. pylori was…

A: Routine decontamination of lab countertops or paintings areas needs to occur frequently. Lab benches…

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: Can hand sanitizer kill West Nile virus

A: Sanitizers that have more than 60% alcohol are generally recommended for preventing diseases.…

Q: Is proteus vulgaris positive or negative in lia test? Why?

A: Proteus vulgaris is a gram negative bacteria that test positive for indole and catalase production.…

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: 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: selective agar media for salmonella typhi?

A: Selective agar medium is used to isolate a particular type of bacterial species or genus .

Q: not test water samples directly for Salmonella typhosa or other pathogens

A: There are serious limitations to the use of direct isolation of specific pathogenic bacteria for…

Q: What would be the best type of vaccine for cholera?

A: The vaccine constitutes killed whole-cell V. cholerae O1 in coordination with a recombinant…

Q: Explain the significance of the Snyder agar medium and its differential nature as a means to detect…

A: Dental caries is also called tooth decay or cavity. It causes the formation of tiny holes in the…

Q: Why is heat a highly effective sterilizing agent? (Answer in not more than 2 sentences)

A: Introduction Sterilization Refers To Any Method That Is Able To Either Removes, Kills, Or…

Q: How does sterilizer spray work from drones?

A: Sterilization is a process by which a material is completely devoid of microorganisms like bacteria,…

Q: why doe the incubation time of harada mori method requires up to 10 days?

A: Introduction:- Humans are usually infected with S. stercoralis by infective filariform larvae…

Q: Which common hospital pathogen is able to grow abundantly in soap dishes?

A: The most common type of the prokaryotes is bacteria. They are found in every existing environment on…

Q: Enumerate the different Instruments/equipments use in the laboratory which are needed to be…

A: Scientific experiments conducted in laboratories often involve various instruments, equipment,…

Q: erial slide agglutination technique important in diagnostic procedure?

A: Immunoassays are bioanalytical ways that use the specificity of an antigen-antibody reaction to…

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: Use of streak plate technique to isolate and purify psychrotrophic spoilage-causing bacteria

A: There are billions of bacteria in the human body that make up the natural flora to resist the…

Q: What will pose an ethical issue in these procedures are performed - mutilation, sterilization?

A: Sterilization is a procedure which is practiced to limit the family size in which removal or simply…

Q: When is the best time to collect a specimen for bacterial culture? A. acute phase of disease C.…

A: Introduction :- Bacterial growth occurs when a bacterium divides into two daughter cells, a process…

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 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: what is your initial assumption of the organism causing this disease

A: Bacteria are the prokaryotic microorganism and based on the structural cell walls, Gram stain…

Q: how could you determine if there is any contamination on your agar?

A: Agar consists of two polysaccharides, agarose and agaropectin, but agarose making up about 70% of…

Q: Under what conditions is sterilization by filtration preferred over sterilization by heat

A: Filteration is the sterilization process wherein there is the physical removal of micro-organisms…

Q: What is the goal of a successful Streak Plate procedure? How does this help us when we look at…

A: The question asks about the goal of the Streak plate procedure and its application in relation to…

Q: Which culturing method provided the clearest results, the semisolid medium tube or the soft agar…

A: Agar is a jelly-like substance obtained from red algae. It is a mixture of two components namely…

Q: What other tests can be used besides culture sampling to determine infection for nose and throat

A: Nose infections generally cause a runny or blocked nose and sneezing. Infections that reach the…

Q: explain why you would expect to see similarities in the types of colonies on the fomite plates and…

A: Organisms that are too small to be seen by the naked eye are microorganisms. These organisms can be…

Microbial Growth

The development of microbial growth is influenced by various natural conditions (both physical and synthetic) like pH, temperature, saltiness, gas focus (O2, CO2, and H2), nutrients, water action, and assimilation. Knowing the distinctive physical and chemical factors that influence the development and endurance of microbial growth in the climate will assist with reinforcing endeavors outfitted towards their control. These lines lessen or diminish their harmful impacts on humankind, creatures, and the climate.