A student argues that it makes no sense to be concerned about coli­forms in drinking water because they are harmless members of our normal microbiota. Explain why regulatory agencies are concerned about coliforms

Q: List Koch's postulates and describe how this list supports the Germ Therory of Disease.

A: There are four postulates given by Robert Koch that allow the determination of causative microbial…

Q: extremely irritable during the d= fied by the laboratory technician wving organisms is most likely?…

A: Epidermal parasitic skin diseases (EPSD) are a heterogeneous class of infectious diseases within…

Q: Two patients were admitted to the same hospital ward for the same duration of time, yet one became…

A: Clostridioides difficile is a bacteria that is responsible for being the causative agent of…

Q: Humans may carry both staphylococci and streptococci as normal microbiota. How might you easily…

A: The microorganisms that occupy a particular site, geological period, or habitat is called…

Q: Give two examples of antibiotics that act on the following: cell wall synthesis disruption of cell…

A: Antibiotics are either natural products of microorganisms or semi-synthetically produced from…

Q: Which of the following interventions did John Snow implement to stop the outbreak of cholera? Select…

A: John Snow is a well-known figure in the field of public health, often referred to as the father of…

Q: Helicobacter pylori survives in the acidic environment of the human stomach, but this organism is…

A: Helicobacter pylori is a neutrophilic bacteria i.e. it loves the neutral pH and is able to survive…

Q: How does knowing the anatomical location of normal microbiota help clinicians diagnose infection?

A: NORMAL MICROBIOTA:- Normal flora local flora of the human body present at several places like on the…

Q: Have Koch’s postulates been carried out for Lyme disease? Explain.

A: Koch’s postulates have been established as the principle criteria for etiological studies. This…

Q: Explain three reasons why infection may not occur after microorganisms enter the body? Solve it.

A: Infection is the result of foreign organism in the body. The route of transmission of microorganisms…

Q: human gut microbiome can respond to disturbance in four ways.

A: The human gut is constituted by the gastrointestinal tract. The gut consists of a long tube that…

Q: Explain how specialized structures (e.g., spore, capsule, fimbriae, or flagella) enable a microbe to…

A: Microbes have evolved a wide range of specialized structures, such as spores, capsules, fimbriae,…

Q: When a hospital acquired infection occurs due to the transmission of bacteria from one person, to…

A: Disease interferes with biological processes; it is distinguished by particular symptoms and…

Q: The terms germ and microbe are often used interchangeably. What comes to mind when you hear the word…

A: Microbes, short for microorganisms are tiny living organisms that are too small to be seen with the…

Q: Read the following two statements about C.difficile outbreaks and answer the questions given below.…

A: MRSA-  Methicillin-resistant Staphylococcus aureus is a kind of infection caused by Staphylococcus…

Q: List three species of Betaproteobacteria that are known to behuman pathogens.

A: Introduction  Proteobacteria is the separate phylum of gram negative bacteria which contain purple…

Q: With antibiotic Without antibiotic 100 80 60- 40 20 Figure 3 % Survival maphylococcus aureus Vibrio…

A: Bacteria that acquire resistance genes, either through random mutation or genomic interchange with…

Q: List the main features of Koch's postulates and then explain how it's difficult to prove them for…

A: Disease  Disease is a kind disorder that affect plants animals, as well as humans. The disorder may…

Q: Briefly state the role microorganisms play in each of the following: ▪ normal microbiota ▪…

A: Introduction: Biotechnology is the exploitation of biological processes for industrial and other…

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: An 83-year-old patient has been ill the past couple of days with an upper respiratory infection. Her…

A: The Nurse should explain about indications of antibiotics and their risks and benefits as follows.

Q: Please select all of the statements that apply to chlamydial infections.   (NOTE:  Please change all…

A: Chlamydia trachomatis:It is usually known as Chlamydia. It is gram-negative bacterium. It causes a…

Q: Lucy, age 23, has recently recovered from a serious bout with bacterial meningitis. On a follow-up…

A: Disease is a condition that occurs when a pathogen invades the body and disrupts the immune system,…

Q: Why are coliforms better indicator of salmonella rather than E. coli?

A: It is considered that Salmonella is best detected by coliforms rather than E. coli. The reason is…

Q: What is a microbiome? What is the human microbiome and how is it important to human health? What do…

A: The microbiome refers to the community of microorganisms that live on and inside the human body,…

Q: Microorganism/Causative Agent:  Candida albicans

A:

Q: Exotoxins Endotoxins Chemical makeup General source Degree of toxicity Effects on cells Symptoms in…

A: Cells are affected by chemicals that confer toxic effects on them. The toxins can be classified as…

Q: The best descriptive term for the resident microbiota is?

A: Mutualism word redirected from mutualistic. Mutualism an association between two organism of…

Q: Why do gram-positive bacteria not produce endotoxins?

A: ExotoxinsThey are proteineous substances that are produced within the bacterium as a byproduct of…

Q: Which of the following is not a condition of Koch’s postulates?a. isolate the causative agent of a…

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

Q: Food poisoning can be divided into two categories: food infection and food intoxication. On the…

A: The food poisoning is a condition which occurs due to the consumption of the contaminated food with…

Q: that is a true pathogen. Which of the following specifically occur during the establishment and…

A: Compylobacter  A gram negative bacteria that causes diarrhoea.

Q: True or false Most microbes that are part of the human microbiome are extremophiles.

A: Most microbes that are part of the human microbiome are not extremophiles. Extremophiles are…

Q: Which of the following pathogens is the LEAST virulent?   1. Microbe B, ID50 =  1,000 cells 2.…

A: Introduction:-  The ID50, or infectious dose, 50 percent, is another way to evaluate virulence. This…

Q: Explain why many microbes do not cause disease while others d

A: Microbes are the microscopic organisms and major microbes fall in the category of bacteria, viruses…

Q: Resistance to antimicrobial agents is more commonly seen in hospital-acquired infections with…

A: Bacteria acquire drug resistance and spread within their population. Drug resistance in bacteria…

Q: What microorganisms are identified in the vagina and their potential functions/roles of these…

A: Vaginal microbiota is the sum total of all indigenous microorganisms found inside a human females…

Q: Please choose any zoonotic bacterial infections to discuss their possibility of becoming an emerging…

A: Emerging and re-emerging infectious diseases have become a major public health concern in recent…

Q: To prevent superinfections, a treatment plan should target only the bacteria causing the initial…

A: Superinfections are the second infections that arise on an existing infection, which is not by the…

Q: E.coli is part of the normal microbiota of the intestines and can cause gastroenteritis. Explain why…

A: E.coli is a bacteria naturally present in human gut in lower segment of large intestine. E.coli can…

Q: Which of the following organisms contain a pathogenicity island that encodes for type III secretion…

A: Type  secretion systems (TTSS) and other virulence factors are encoded in sections of DNA called…

Wound infections

A wound is damaged or breaks in the surface of the skin. The wound is divided into two types, they are acute wound that includes minor cuts, laceration, bites, etc, and chronic wounds that can become slow to heal including ulcers on the legs and feet. Redness, pain, and swelling are signs of a wound.