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 concentration of ethanol is considered optimum for disinfectant? Why not 100%?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