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: can the same chemical be used for an antiseptic and a disinfectant?
A: Antiseptic - These can slow down the growth as well as can kill the microbes, but do not harm the…
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: Since there are still bacteria left in pasteurized milk, why is it not routinely sterilized instead…
A: Hello! Since you have posted multiple questions, we are answering only first question. If you need…
Q: How to prepare tryptone agar, tryptone broth and tryptone soft agar from other chemical contents and…
A: Tryptone is formed by the enzymatic digestion of casein by the trypsin enzyme. Tryptone is used as a…
Q: Which disinfectant is the most effective? and why? Which disinfectant(s) is (are) bactericidal? and…
A: Disinfectant A is most effective as there is no growth of salmonella choleraesuis at dilution 1:2…
Q: what is the difference between sterilizer , disinfectant & surfactant ?
A: There are thousands of microorganism present in the environment. Most of them are harmful to 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 is picric and tannic acids used in treating burns and diarrhea?
A: Picric acid is a potent explosive that is a derivative of phenol. Picric acid is a chemical compound…
Q: What purpose does water serve in the “Effects of Antiseptics & Disinfectants”?
A: Answer: ANTISEPTICS : These are the liquid or semi-solid cream having some special properties to…
Q: What are the types of wax bath?
A: There are many types of therapeutic baths that are prescribed by the physician according to the…
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: Why would one aerosolized agent be more dangerous than another?
A: Pathogens are disease-causing microorganisms that upon entering a healthy body cause a variety of…
Q: If you have 1 pound of 10% W/W ointment and one pound of petrolatum, what is the largest amount (in…
A: Given, Ointment concentration = 10% W/W Ointment weight = 1 pound (=454grams) Petrolatum = 1 pound…
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: why do microorganisms differ in their response to disinfectants
A: Microorganisms are the minute microscopic organism that is generally invisible to the human eye.…
Q: Distinguish between a sterilant, a disinfectant, and anantiseptic. What is cold sterilization?
A: The human environment is filled with microorganisms. These tiny organisms are found everywhere on…
Q: What is activated sludge?
A: Activated sludge is the method which is used to stabilise the wastewater having organic Constituents…
Q: What are the differences between bacteriostatic and bacte-ricidal disinfectants?
A: Bacteriostatic refers to the property of preventing the growth of the bacteria, while the…
Q: Distinguish between acid and rennet curds.
A: Curdling is the process through which curd is obtained by coagulating milk. The coagulation can be…
Q: . How could microorganisms be used to remove phosphate in wastewater?
A: Microalgae are able to convert nutrients from wasrewater into biomass and bioproducts,thus improving…
Q: How alcohol is effective at contolling microbial growth?
A: Sterilization: Sterilization includes the complete wipeout of all microscopic life on a surface.…
Q: What is disinfectant
A: The reduction of bacteria, viruses, or fungi to a desired concentration is referred to as…
Q: What are the similarities and differences between the functions of antibiotics, antiseptics, and…
A: Antibiotics: It is a type of antimicrobial substance which are active against bacterial infections.…
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: 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: What happened when potato strip placed in salt water?
A: 1) A solution mixture that exhibits a higher concentration of salt than the surrounding medium. Then…
Q: Define disinfection. Define sterility. Compare and contrast disinfection with sterility.
A: Microorganisms are responsible for various diseases and food spoilage. It is therefore important to…
Q: Explain the chemical nature of soap - is it hydrophilic or hydrophobic (or both)?
A: Soap is a mixture of sodium salts of various naturally occurring fatty acids. The soap is produced…
Q: What is the media used in Urease Test and expected results?
A: Urease test is defined as a biochemical test that distinguishes the basic alkaline fermentation of…
Q: what is sterilization or define sterilization?
A: Sterilization is defined as the process where all the living microorganisms, including bacterial…
Q: How is water decontaminated and made safe to drink?
A: Water is very important for our survival it is required in almost all the processes which we do in…
Q: Why must you first clean debris from items before beginning disinfection or sterilization? (
A: Until the discovery of the microbes by the famous scientist Louis Pasteur, one of the signs of the…
Q: List one method of disinfection, and one method of sterilization. Label which is which.
A: Disinfection is a process by which most of the harmful microbes are killed or inactivated. However…
Q: List some criteria for choosing good disinfectants and antiseptic
A: Disinfectants are antimicrobial compounds that are used on inanimate substances/surfaces. These…
Q: Of what practical importance are air borne microorganisms to the laboratory workers? What…
A:
Q: What is the temperature for pasteurisation?
A: There are several methods to preserve food products and beverages or to increase their shelf life,…
Q: What type of agar is MacConkey agar?
A: MacConkey agar or MAC which is also described as a bacterial culture medium was named after the…
Q: Why should you filter some liquids for sterilization, rather than autoclaving them?
A: To control microbial growth or contamination there are a number of aseptic techniques developed that…
Q: What medical challenges do biofilms present?
A: Biofilms are microbial colonies that are linked to one another and enclosed in an exo-polysaccharide…
Q: Why is the temperature of pasteurization at 60°C?
A: Pasteurization was invented by a French Scientist called Louis Pasteur. It was first used in 1864.…
Q: Why did we add agar after we measure the pH?
A: pH means p stands for potential or power.H stands for Hydrogen atom.It is the power of the Hydrogen…
Q: Why do petroleum-degrading bacteria need to attach to thesurface of oil droplets?
A: Petroleum is a crucial strategic resource and all countries compete fiercely for it. The…
Q: What are detergents?
A: Introduction:- Detergents are amphipathic compounds with charged hydrophilic or polar groups at the…
Q: What is the difference between disinfection, antisepsis, and sterilization?
A: Microorganisms are present every where. They are not visible with naked eyes but are present at…
Q: What are the different types of Pasteurization?
A: Pasteurization is the process of heat processing the liquid (mainly milk) or food so that the…
Is Vinegar a disinfectant?
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- Why must you first clean debris from items before beginning disinfection or sterilization? (What are the different types of disinfectants? How is each one different or similar from the others? Explain and give examples too.What is the difference between a disinfectant and an antiseptic? Which is most effective at removing microbes from a product: sanitization, degerming, or sterilization? Explain
- Why are most antimicrobial chemical agents disinfectants rather than sterilants? What general characteristics should one look for in a disinfectant?What concentration of ethanol is considered optimum for disinfectant? Why not 100%?What is the difference between cleaning, sanitizing, and disinfecting?