Q: How does cotton plug prevent contamination of the medium? [Answer in not more than 2 sentences
A: Cotton plugs are used in various experiments as lids to cover the mouth of the flask. It is usually…
Q: disinfectants, antiseptics and antibiotics
A: Disinfectants are a type of chemicals that destroy pathogens of causing of disease or other harmful…
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: Identify the method of sterilization/ chemical agent described At 15psi, the temperature reaches…
A: Given information: At 15psi, the temperature reaches 121 degree Celsius requiring only 15 to 20…
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: Why are products mixed with phenols and surfactants preferred when cleaning surfaces? Question 14…
A: Disinfection is the procedure by which various bacteria, microbes can be killed by using different…
Q: Why might Gamma irradiation be considered better than using UV radiation?
A: It is required to provide reason that Gamma irradiation is considered better than using UV radiation…
Q: How can we make soap?
A: Soaps are the salts of fatty acids. Soaps are generally used as surfactants for washing cloths,…
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 it important for a microbiology laboratory technician to use aseptic technique?
A: The majority of the microbes onto which scientists work in laboratories are known pathogens.
Q: ILLUSTRATIONS: 1. Sterilizers seen in the laboratory and their parts.
A: 4 main methods of sterilizarion - physical methods Radiation method Ultrasonic method Chemical…
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: What will pose an ethical issue in these procedures are performed - sterilization?
A: Sterilization is a permanent method of family planning. It is one of the most common method of…
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: Match the expected result (purple, red, or colorless) to the following descriptions of Gram-stained…
A: Gram staining is a common staining technique that is used to differentiate bacteria based on their…
Q: The following strip of chromatography paper has been placed in a polar solvent Which pigments the…
A: Here the question is asking about TLC thin layer chromatography, in which one mobile phase solvent…
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: Why is heat-fixed procedure in bacterial smear preparation not ideal for capsular staining?
A: In microscopic studies, the specimen needs to be prepared for an optimized vision under a…
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 are the advantages of UV disinfection versus, or as acomplement to, chemical disinfection with…
A: UV disinfection treatment is a very rapid physical process for disinfecting or sterilizing any…
Q: What are high level disinfectants? What is an example of one? What is the method of action and the…
A: Disinfectants are chemicals that are used to kill the microorganisms present in the surroundings.…
Q: Why does picric acid and tannic acid are used to treat burn?
A: Picric Acid, is an organic compound chemically known as 2,4,6-trinitrophenol. It is a pale yellow…
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: What are the different types of disinfectants? How is each one different or similar from the others?…
A: Almost every environment on the planet contains bacteria and microorganisms. In fact, on one square…
Q: Why is it necessary to know the accurate proportion in mixing bleach and water in cleaning and…
A: Bleach is a strong disinfectant. It has a active ingredient sodium hypochlorite; an effective…
Q: For what purposes is alcohol a useful antiseptic?
A: A microorganism is a microscopic organism which may exist in its single-celled form or in a colony…
Q: The bacteria which produce pyocyanin is---
A: pyocyanin is a blue colored, secondary metabolites which is secrested by gram- nagative bacterium.…
Q: Which physical or chemical agent would be the best choice for sterilizing the following items: glass…
A: Sterilization is a process used in a laboratory setting to remove, kill, or deactivates all forms of…
Q: I need hand written solution
A: Global oxygen delivery (DO2) is the total amount of oxygen delivered to the tissues per minute,…
Q: Why is potassium solution injection lethal
A: Potassium is an essential ion in the balance of our body system. Their concentration must not be…
Q: Why are most antimicrobial chemical agents disinfectants rather than sterilants? What general…
A: Most chemical antimicrobial agents are disinfectants instead of sterilants. A disinfectant reduces…
Q: One of the following matches indicatIng early microbial spoilage of pharmaceutical products is…
A: Microorganisms are tiny unicellular organisms that cannot be observed by unaided eyes. They may be…
Q: For preparation of a smear on a slide, what is the purpose of heat fixation? What problems can arise…
A: The preparing a slide that has to be observed under a microscope there are multiple steps that are…
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: How might a synthetic detergent be superior to a normal soap?
A: INTRODUCTION - Soaps are sodium or potassium fatty acid salts made from hydrolysis of fats in…
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: Your labmate forgot to use CBB-R250 in the process. Which of the following would most likely be the…
A: The Coomassie brilliant blue is a staining dye used in the laboratory to quantify, visualize the…
Q: Which of the following is an example of pasteurization? A surgeon washes her hands before surgery.…
A: Pasteurization :- It is the heat treatment or thermal process in which the harmful microbes or…
Q: Why does UV light have to be directly exposed and waved around an object that needs to be…
A: Ultraviolet (UV) radiation is a part of electromagnetic spectrum that lies between X- rays and…
Q: Which among the ingredients of this product is the main preservative? Explain.
A: For centuries, people have been preserving food. It all began with the ancient practice of…
Q: Which of the following is the densest TAG? Otrimyristin triolein O tristearin Otripaltristearin…
A: In biochemistry, TAG stands for triacylglycerols. These are referred to as the crucial components of…
Q: Which is better to use in washing clothes, soap or synthetic detergent? Explain
A: Detergents are the surfactants or the mixture of surfactants. Surfactants are the compounds that…
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: Gram stain blood bottle what the result shows, what the result means,
A: The Gram staining technique is primarily helpful in the identification of the bacterial type. The…
Q: do we need to stain microorganisms?
A: The study of microorganisms is termed microbiology. Microorganisms is microorganism, fungi, archaea…
Q: Why do cells have to be broken apart in detergent before they can be separated into different parts?…
A: Answer- Detergent ensure the reaction is sterile.
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…
In hospitals they remove potential pathogens from surfaces using------------:
Antiseptics
Disinfectants
Preservatives
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Solved in 2 steps
- Do you think UVC disinfection of N95 face masks is effective? Give two important considerations for UVC disinfection of N95 face masks to be effective?What are the pharmacodynamics of this medication? 1. Diovan 80mg 2. Prinivil 10mg 3. Lantus 18 units subcutaneous 4. Humalog 19 units subcutaneousWhat will pose an ethical issue in these procedures are performed - sterilization?
- Anthrax-laced letters were sent to the Senior Librarian recently. After the building was evacuated and all of the potentially exposed workers had received antibiotics to prevent the establishment of infection, no one was sure how to disinfect the building to make it safe for the return of workers. Your team has been hired by the Management to develop a plan to decontaminate the Building Complex after the arrival of anthrax-laced letters. The Building Complex contains thousands of valuable documents that cannot be destroyed. Workers need to be able to return to the buildings, although they do not need to return immediately. You need to guarantee the safety of workers who return. a. Can you devise an experimental setting to test the effectiveness of your strategy?b. What advice would you give to workers concerned with contaminating their family members?why the therapeutic effect takes weeks to manifest while side-effects occur immediately in tricylic antidepresentsHand written solutions are strictly prohibited.
- I need hand written solution only____________is the iodine antiseptic of choice for wound treatment.a. 8% tincture b. 5% aqueous c. 5% Iodophor d. 7.5% potassium iodide solutionA research scientist is developing a new antimicrobial drug for a pharmaceutical company. Discuss at least 4 attibutes that this drug should posses in order to be an ideal antimicrobial drug.