Methicillin-resistant Staphylococcus aureus (MRSA) is a common nosocomial pathogen that is increasing in frequency in community settings. Describe the most common mechanism of resistance by S. Aureus? What treatment can be used?

Q: List the most clinically significant pathogens in the genus Staphylococcus,and identify the species…

A: Staphylococci are Gram-positive cocci ranging with a diameter between 0.5 – 1.0 μm and tend to grow…

Q: common neutralizing agents and methods used to inactivate the innate antimicrobial activity of a…

A: The antimicrobial agent is widely used by the medicinal industry to treat the infection. The…

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A: Selenium is a nutrient trace element that have many biological role in the body. It have role in…

Q: Which of the following statements regarding the transmission of pathogens from environmental…

A: Asepsis: It can prevent the rate of nosocomial infections. Principles of asepsis Hand hygiene. Safe…

Q: What is the significance of S. aureus/MRSA as a normal flora species in the development of potential…

A: Staphylococcus aureus It is part of the normal human flora(bacteria that normally reside in or on…

Q: Which of the following would represent an "opportunity" for an opportunistic pathogen?…

A: The term "opportunistic pathogen" refers to an infectious pathogen that is regularly found in the…

Q: C. bot and C. tetani are considered true pathogens while C. dificile is considered an opportunist.…

A: Clostridium botulinum  They are gram positive , spore forming rods . The organism are anaerobic.…

Q: Only approximately 70% of norovirus outbreaks meet the Kaplan criteria, and therefore it is often…

A: The Kaplan criteria are a set of criteria based on clinical symptoms and epidemiology to see whether…

Q: This is a figure from a recent paper comparing different bacterial pathogen strains. What is being…

A: Pathogens are microbes that cause disease in host.

Q: Which of the following contribute to a pathogen's invasiveness? endotoxins hyaluronidase F…

A: The disease causing organism is called a pathogen. The ability to cause disease is called…

Q: Identify which biosafety level is required when working with the following microorganisms :…

A: Bacterial studies were crucial in the development of microbiology. The importance of bacteria to…

Q: Gloves are required for ALL standard laboratory procedures using BSL-1 organisms. TRUE or FALSE?…

A:

Q: Cholera is spread by contaminated water. List 3 steps you can take to stop this disease from…

A: The intestinal infection by the bacterial pathogen Vibrio cholerae causes the disease cholera. The…

Q: Using the Koch's Postulates, support the finding that Mycobacterium tuberculosis is the causative…

A: Please follow step 2 for detailed explanation.

Q: Which of the following best describes the change in the percent of penicillin-resistant S. aureus…

A: Staphylococcus aureus is a Gram-positive, round-shaped bacterium that belongs to the Bacillota…

Q: spillover' mean

A:

Q: chemoprophylaxis

A: Chemoprophylaxis also known as chemo prevention is a process in which medicine is administered in…

Q: What is the importance of disease diagnosis in aquaculture? What are the three (3) levels of disease…

A:

Q: In the hospital setting, how effective is handwashing compared to hand sanitizer at controlling the…

A: Hands are the important vector in the transmission of the COVID-19 virus because the virus can…

Q: Explain why isolating a pathogen through standard culture methods may become an outdated diagnosis…

A: The term isolation refers to the separation of a strain from a natural, mixed population of living…

Q: Give two to three reasons why diagnostic tests like RT-qPCR are typically only performed during an…

A: RT-qPCR based tests are the gold standard to detect norovirus in outbreaks. They detect the RNA…

Q: Which of the following organisms is the causative agent for a venereal disease? Yersinia pestis…

A: Venereal diseases are those diseases that are transmitted sexually from an infected person to a…

Q: what are  potential solutions to the worldwide problem ofdrug-resistant pathogens.

A: A drug is a substance which is prescribed to treat an infection or disease. It changes the…

Q: In an epidemiological study with human subjects, the relationship between the independent variable…

A: In any experiment/ study, where two or more variables are considered, the independent variable can…

Q: Compare and contrast the virulence factors associated with Staphylococcus aureus and Streptococcus…

A: Streptococcal infections more dangerous than staphylococcal infections as the former can cause acute…

Q: Describe and explain the molecular and cellular mechanism of the pathogen causing Covid19

A: Covid 19 is enveloped positive-sense RNA virus and is characterized by club-like spikes like…

Q: Relatively brief exposure period III. Same incubation period

A: option 2   In a point source outbreak, persons are exposed relatively brief time to the same…

Q: What is meant by the “American approach” and the “precautionary principle”? Relate this to either…

A: DDT  A chemical use to kill insects like mosquitos and other disease caused insects.

Q: Discuss the mode of action and potential mechanisms of resistance for three main classes of…

A: Fungus is one such pathogen that can invade the tissues of the host body and causes severe…

Q: Describe the different methods to prevent the diseases using the traid model, this is in order to…

A: The epidemiologic triangle (epidemiologic triad) is developed by scientists to determine health…

Q: Aside from the school laboratory facilities, How can we apply Aseptic Techniques in the following…

A: Within the twentieth century, the world suffered pandemics. The pandemics, as horrifying and lethal…

Q: Explain the steps involved in using Koch's postulate to establish the link between a suspected…

A: Koch's postulates  These are four criteria designed to establish a causative relationship between a…

Q: Discuss how drug resistance spreads through a population ofmicrobes and the long-term effects of…

A: The use of antimicrobials has lead to the development of microbial drug resistance, an adaptive…

Q: Discuss the mechanistic approaches and limitations for the detection of aerosolized respiratory…

A: When an infectious agent is transmitted via air with the help of droplet nuclei which are also known…

Q: What structures or substances that can increase microbial virulence or pathogenicity and explain the…

A: Microbes are tiny organisms that are both beneficial and harmful to humans.

Q: Foodborne pathogens often require the presence of a large number of microbes before an active…

A: Answer: Introduction: Sickness or infection occurred due to food contamination by different…

Q: Compare and contrast the different levels of mycobacterial laboratory testing , and cite the reasons…

A: Mycobacteria infections do not affect everyone who is exposed to them. Scientists believe that those…

Q: What is a biological indicator organism? Using specific examples and specific contexts, explain how…

A: Biological indicator organism These are living organisms such as plants, animals, and microbes, that…

Q: In the hospital setting, how effective is handwashing compared to hand sanitizer at controlling the…

A: Hands are the important vector in the transmission of the COVID-19 virus because the virus can…

Q: What is a flu communication strategy for non pharmaceutical interventions?

A: Non pharmaceutical interventions basically are the actions which are apart from getting vaccinated…

Q: In light of the current pandemic, give one strategy that scientists have developed to discover new…

A: Antimicrobials: Antimicrobials have been in use for many complications and help in enhancing the…

Q: What does the term nosocomial infection mean? What is the difference between an endogenous…

A: Answer: INFECTION : The invasion or entry of infectious germs or microorganisms that are capable to…

Q: Which of the following microbial virulence factors helps to acquire rare ionic nutrients within the…

A: Siderophores is the microbial virulence factor that helps tissues of animal host to acquire ionic…

Q: Describe and explain the key differences between community-acquired and hospital-acquired bacterial…

A: Hospital is a place where lots of people visit with different conditions and infection caused by…