Q: Why is listeriosis a serious problem even with refrigerated foods?
A: In the soil and water, Listeria monocytogenes is found. The soil or manure used as fertilizer can…
Q: What is the etiologicalagent and the mainmanifestations of cholera?
A: Cholera is the contagious bacterial disease that usually spreads through the ingestion of…
Q: Under what conditions can cholera be transmittedby fewer cells?
A: The causative agent of Cholera is Vibrio cholerae. It is a bean-shaped bacterium with a long tail…
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: What is the posaible preventative statistics of Listeriosis
A: Listeriosis is a severe foodborne infectious disease caused by the bacteria Listeria monocytogenes.…
Q: Name three genera of noncoliform enteric bacteria that are opportunisticpathogens.
A: Enterobacteriaceae are a group of Gram-negative bacteria. Many of these bacteria are natives in 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: 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: What is the difference of cytotoxin and enterotoxin of Salmonella typhi?
A: A cytotoxin is defined as “a poison that damages cells”. Cytotoxins can be either chemical or…
Q: Explain how Vibrio cholerae causes cholera.
A: Vibrio cholerae is a species of flagellated bacteria that causes the disease cholera. Cholera is…
Q: What is the principle of the coagulase test result? How does coagulase contribute to the virulence…
A: Coagulase test is used to detect whether the microbes present in media produce coagulase or not.
Q: Why might members of Campylobacter not be isolated from a stoolspecimen in a diagnostic laboratory?
A: Efficient Detection of pathogenic organisms ensures the success of laboratory techniques. It is…
Q: How does one can differentiate Staphylococcus aureus from Bacillus subtilis
A: Answer: Staphylococcus aureus = These are the gram positive bacteria, and coccus shaped (circular).…
Q: Salmonella typhi is a facultative anaerobe. Explain why.
A: Salmonella is a genus of Gram-negative bacteria that are rod-shaped (bacillus) and belong to 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: How can we prove the pathologic or clinical effects of V. cholerae are due only to the production of…
A:
Q: Why can Koch’s postulates not be used to identify the causes of diseases due to polymicrobial…
A: Koch's postulates are four criteria that denote the causative relationship between the microbe and…
Q: Describe the major features of how cholera toxin damages intestinal cells.
A: Cholera is an infection of the small intestine due to bacterium vibrio cholera. It causes large…
Q: What virulence factor, present in Streptococcuspneumoniae but absent from Salmonella enterica,…
A: A disease is a state of unhealthiness of the physical body, mind and social interaction. A disease…
Q: What are the causative agent mode of transmission and clinical symptoms of enteroaggregative E.coli…
A: Enteroaggregative E.coli - Causative agent - Escherichia coli EAEC is a pathotype of E. coli.
Q: What shape does Vibrio cholerae have?
A: Bacteria are member of a large group of unicellular microorganisms. Bacteria have cell walls but…
Q: Name four different pathogenic groups of Escherichia coli.
A: Escherichia coli Bacteria normally leaves in the intestine of animals including Humans. Most of them…
Q: How would you devise a selective medium for Vibrio cholerae?
A: Mostly for selecting the agar medium as a enrichment broth, alkaline peptone water and thiosulfate…
Q: What is the most common bacterial STI in the United States?
A: STI:[Sexually Transmitted Infections] STI are also commonly called Sexually Transmitted…
Q: What is salmonella typhi? From what family it is?
A: Microorganisms are microscopic organisms that generally exist as one biological cell. Different…
Q: What is Escherichia coli infection?
A: Bacteria are prokaryotic organisms that have undefined nucleus and nuclear membrane. Most of the…
Q: The most common bacterial cause of diarrhea in the United States is________________
A:
Q: what is the extraction of the causal organism from inoculated host?
A: Robert Koch (1843 - 1910) was a famous biologist who made bacteriology an important science. He is…
Q: How does one can differentiate S. pneumoniae from E.coli
A: Streptococcus pneumoniae is a gram positive diploccoci whereas E.coli is a gram negative rod shaped…
Q: what is the media of culturing salmonella typhi?
A: Salmonella typhi Salmonella typhi is a parasitic bacteria that infect blood and intestine of human…
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 organism causes cholera, and what are the symptoms ofthe disease?
A: Cholera is a disease that caused by a bacterial infection of small intestine. This disease is…
Q: what is the host response to the infection of clostridium tetani and what is the pathogenesis of…
A: Clostridium tetani is the causative agent of the disease called tetanus. This is a bacillus…
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 does Salmonella typhimurium avoid being killed by phagocytes.
A: Salmonella manipulates inflammatory pathways and the autophagy process. Salmonella evades the…
Q: selective agar media for Vibrio cholerae?
A: Vibrio cholerae is a facultative anaerobe. It is a comma-shaped bacteria. It is a species of…
Q: How staphylococcus capitis differ from streptococcus salivarius?
A: Staphylococcus capitis is part of the normal flora of the human skin. It is associated with…
Q: Relate the successful use of oral rehydration therapy to the pathogenesisof cholera.
A: ORAL-REHYDRATION SOLUTION:- It is a type of therapy in which fluid is supplemented to cure…
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: 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: 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…
Q: Is staphylococcus epidermis an enteric pathogen?
A: Enteric pathogens are the pathogens of the intestines. These are usually bacteria.
Q: Explain about gram reaction in staphylococcus capitis
A: Staphylococcus capitis is a species of staphylococcus bacteria. It is coagulase-negative species…
Q: Characterize and give a brief description of the following bacteria: Salmonella enteritis…
A: A bacterium, Salmonella enteritis's, can be inside perfectly normal-appearing eggs, and if the eggs…
Q: Compare the gastroenteritis caused by Vibrio cholerae with that of Campylobacter jejuni. How are…
A: Introduction: Microorganisms are broadly classified as Gram-negative and Gram-positive based on Gram…
Q: What do Gram positive bacteria generally possess and how will these help them in their virulence?
A: The Factors that are produced by a microorganism and evoke disease are called virulence factors.…
Q: How does one can differentiate Klebsiella pneumoniae from Salmonella typhimurium
A: Klebsiella pneumoniae is a gram-negative bacteria that cause infections like pneumonia. Salmonella…
Q: Which streptococci are implicated in the development of dental caries? What is the mechanism of…
A: Dental caries is also known as tooth decay. Caries cause the hole in a tooth and called as a cavity.…
Q: How did scientists figure out the domain, class ... of Vibrio cholerae? Which assays did they use?
A: Vibrios are Gram-negative, highly motile curved rods with a single polar flagellum. They tolerate…
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- Which coliform bacteria are the most difficult to distinguish from the Salmonella or Shigella pathogens? What is the primary characteristic used to differentiate them?Why is Salmonella typhi a gram negative bacilli? Explain.Why is Plasmodium species isolated usually in blood? What is the purpose of the thick and thin blood smear? What are the characteristics of a good quality malarial smear?