If there is a causal relationship between the presence of H. pylori and ulcers, how might you explain that 50% of the patients with a normal endoscopic examination were infected with the bacteria?

Q: What was the common treatment for cholera beginning in the 1830s? Why was this not useful in large…

A: Cholera is a disease caused by the bacteria Vibrio cholerae and it occurs through contaminated food…

Q: Which coliform bacteria are the most difficult to distinguish from the Salmonella or Shigella…

A: In humans, Shigella and Salmonella are microorganisms that cause gastroenteritis. Salmonella is the…

Q: Did the investigator collect adequate information to determine the source of the outbreak? Provide a…

A: Introduction Disease outbreak investigation involves steps to identify the cause of a disease…

Q: Besides enterotoxin, does V. cholerae possess an endotoxin? If it does, is the toxin a significant…

A: Cholera is an infection by the bacterium Vibro cholerae, it causes fluid loss from the body in the…

Q: What is the posaible preventative statistics of Listeriosis

A: Listeriosis is a severe foodborne infectious disease caused by the bacteria Listeria monocytogenes.…

Q: What are all the different types of infections the following antibiotic resistant microbes…

A: Antibiotic resistance in bacteria occurs when germs like bacteria develop the ability to defeat the…

Q: Why is it clinically important to distinguish S. pneumoniae from otherα-hemolytic streptococci?

A: S. pneumoniae:        Streptococus pneumonia (pneumococcus) is a gram positive bacteria, which is…

Q: In 2005, J. Robin Warren and Barry J. Marshall shared theNobel Prize in Medicine for discovering the…

A: Gastritis is a medical condition that occurs due to the inflammation of the stomach lining. The…

Q: Did enterococcus avoid characteristics and descriptions of laboratory procedures and method…

A: Enterococcus is a species of bacteria that can be found in both people and animals' intestines. It…

Q: Why is sporotrichosis sometimes called rose gardener’s disease?

A: Answer- Sporotrichosis is a fungal disease that is caused from Sporothrix sp. It usually occur to…

Q: Write a 1-2 paragraph case study that accurately depicts the disease caused by Clostridium…

A: Botulism is caused by a toxin that attacks the body's nerves and causes difficulty breathing, muscle…

Q: Describe how you will demonstrate the Koch's postulate in linking Buruli Ulcer to its causative…

A: Koch's postulates are criteria proposed by Heinrich Hermann Robert Koch that are used to establish…

Q: Why is it not possible to use Koch’s postulates to show that Treponema pallidum causes syphilis?

A: Syphilis care categorized as a sexually transmitted disease, and causes infections that affect the…

Q: Who discovered Salmonella Typhi, when it was discovered and

A: Salmonella enterica serotype typhi is a gram-negative bacterium that is responsible for typhoid…

Q: Describe two characteristics of Streptococcus mutans that contribute to its ability to cause dental…

A: To answer this question we should have knowledge of Microbiology

Q: Two microbiologists are writing a textbook, but they cannot agree where to place the discussion of…

A: A neurotoxin isolated from the clostridium botulinum bacteria (can cause food poisoning) is Botox…

Q: What activities would be associated with an increased risk ofHistoplasma capsulatum infection?

A: Histoplasmosis is a kind of lung infection and is caused by inhalation of fungus spores of…

Q: Do you think that all the residential flora of mouth cause dental caries? Explain.

A: The presence of nutrients, epithelial debris, and secretions makes the mouth a favorable habitat for…

Q: What pathological changes are associated with the presence of Entamoeba histolytica?

A: Entamoeba histolytica is a parasitic anaerobic amoebozoan belonging to the Entamoeba genus. E.…

Q: hy is the Baermann-Moraes method suitable for a suspect strongyloidiasis? Why is it considered a…

A: Strongyloidiasis is a disease caused the nematode Strongyloides stercoralis. It is believed to…

Q: Provide an explanation as to why disinfectants, calcium alginate, and cotton swabs should not be…

A: Neisseria gonorrhea which is also called gonococcus is a gram negative bacteria that causes sexually…

Q: Is Bacillus cereus pathogenic?

A: Bacillus Cereus bacteria commensal or pathogenic to foods

Q: What was the common treatment for cholera beginning in the 1830s? Why was this not useful in large…

A: We know that, Cholera is a disease caused by the bacteria Vibrio cholerae and it occurs through…

Q: What is dental plaque? What is the role of bacteria in the production of dental caries?

A: A tooth is a hard structure composed mainly of inorganic minerals, such as calcium and phosphate.…

Q: What food is a common source of Salmonella infections?

A: The microbes that affect the intestine of an individual are referred to as enteric pathogens. The…

Q: Which coliform bacteria are the most difficult to distinguish from the Salmonella or Shigella…

A: The microbes that affect the intestine of an individual are referred to as enteric pathogens.…

Q: Coagulase is aknown factor in the ability of S. aureus to cause infection. However,…

A: Coagulase is an enzyme produced by some microbes that activates fibrinogen which result in blood…

Q: What would you expect to see microscopically from a scraping of thewhite patch? Describe other…

A: Candidiasis is an infection caused by the yeast Candida. It normally lives on the skin and inside…

Q: Why does transmission of cholera usually require a largeinoculum?

A: Diarrhoeal diseases which include cholera, are the important cause of morbidity and the second most…

Q: How is Bordetella pertussis spread?

A: Pertussis is also referred to as whooping cough, which is caused by bacteria, Bordetella pertussis.…

Q: What is the difference between food infection and foodintoxication? Into which category does…

A: Introduction  Microbes can inhabit wide range of habitat. They can be found in extreme conditions…

Q: A 19-year-old woman presented because of the recent onset of breakthrough bleeding. She has been…

A: Finding harmful germs helps doctors to figure out what sickness someone has and give the right…

Q: Why are fecal samples important in the diagnosis of parasitic infections

A: Parasites are microscopic organisms that live in the host and draw their food from them. Parasites…

Q: How can we prove the pathological and clinical effects of cholera are caused by the production of…

A: Cholera is an infectious disease that cause severe watery diarrhea,  which can lead to dehydration…

Q: Direct contact with pathogenic microorganisms is the most common cause of hospital-acquired…

A: Hospital-acquired infection These are the type of infections that are acquired in a hospital and the…

Q: Where do the organisms that cause staph and strep infections typically come from?  What causes them…

A: Strap infections are mainly caused by staphylococcus bacteria while strep infections are caused by…

Q: Some species of Streptococcus are normal microbiota of the throat.  What media use to determine…

A: Streptococci are bacteria commonly found in the throat and on the skin. The vast majority of GAS…

Q: Where is Rocky Mountain spotted fever commonly found? What symptoms and activities would justify…

A: Rocky mountain fever is caused by bacteria of the Rickettsia species. This can be spread by the…

Q: What was the miasmic mode of transmission of cholera? What evidence did John Snow accumulate that…

A: Cholera was a deadly disease transmitted through bacteria. Chlorella is caused by vibrio cholera.…

Q: How can we experimentally prove that enterotoxin (A-B cholera toxin) is the sole cause of clinical…

A: Several microorganisms produce and secrete protein exotoxins that are either chromosomally encoded…

Q: Who discovered Acanthamoeba keratitis? And is it an obligate aerobe?

A: Introduction A parasite is an organism that lives in another organism, called the host, and often…