In bone marrow culture, immobile, non-hemolyzed, oxidase, catalase, and urease positive gram negative cocobacillar were detected. Which of the following is the most likely factor in this patient? a) Legionella pneumophila b) Brucella mellitensis c) Bordetella bronchiseptica d) Salmonella typhimurium e) Stenotrophomonas maltophilia

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: How can activity of a hemolytic exotoxin be detected?

A: Introduction  Toxins can be of two type on the basis of their secretion viz. Endotoxins and…

Q: Can Saccharomyces be treated with antibiotics?

A: Antibiotics are medicines that help to stop the infections caused by bacteria. They work by either…

Q: Why does Mycobacterium tuberculosis direct macrophages to engulf them?

A: Tuberculosis (TB) is an opportunistic infectious disease caused by the bacteria "Mycobacterium…

Q: Why does Balantidium coli have the greatest clinical impact?

A: Protozoa are heterotrophic, eukaryotic, unicellular, organisms. They have almost 65000 species of…

Q: Why is an organism such as Staphylococcus adapted to growth on the human skin whereas the…

A: An organism is able to grow well in an environment which it find suitable in terms of pH and…

Q: Define 43-kDa connexin

A: Connexins are structurally associated transmembrane proteins that assemble to create gap junctions…

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: Why is the cause of death similar in tetanus and botulism?

A: Step 1 Botulism and tetanus both are acute neurological diseases in humans as well as animals.…

Q: Why do botulism and tetanus show such opposing symptoms?

A: Botulism and tetanus are two neurological disorders in man and animals caused by the neurotoxins…

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: What is a generally minimum pH for growth and toxin production by Clostridium botulinum and other…

A: Clostridium botulinum is a Gram-positive, rod-shaped, anaerobic, spore-forming, motile bacteria that…

Q: Why is Salmonella typhi a gram negative bacilli? Explain.

A: The crystal violet stain utilised in the Gram staining method of microbial classification is not…

Q: Explain how the body (including cells, organs, organ systems) is affected by the bacteria Neisseria…

A: The gram-negative bacteria which cause the disease meningitis is called Neisseria meningitides. The…

Q: Why is it important to seek early treatment for Lymedisease?

A: We have to explain why it is essential that Lyme disease is diagnosed earlier.

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 function does the capsule have for Streptococcus mutans?

A: The capsule is the extracellular gel-like layer that surrounds the outside of cell wall of many…

Q: Why do healthy adults usually not contract Clostridium difficileinfections?

A: Microorganisms are small organism that cannot be seen by naked eyes. Microorganism such as bacteria…

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: Which of the following would be present in highest numbers in the indigenous microflora of the skin?…

A: Indigenous microflora Our skin contains various microorganisms such as bacteria fungi  which are not…

Q: What is the Microorganism involved in the spoilage of canned curdled evaporated milk and Glutinous…

A: Any microorganism attack can degrade the food product quality and make them non-consumable by…

Q: what is the media for mycobacterium tuberculosis?

A: Mycobacterium tuberculosis is a pathogenic bacteria that cause infection related to the lungs. they…

Q: What is the mechanism by which enterococci are able to grow in high salt conditions?

A: The Enterococci are facultative anaerobes, gram-positive coccus that appears to be in short chains…

Q: What would be the best type of vaccine for cholera?

A: The vaccine constitutes killed whole-cell V. cholerae O1 in coordination with a recombinant…

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: Which is the most common bacteria found in the skin flora and caused catheter-related infections? a)…

A: Bacterial diseases include any type of illness or disease caused by bacteria, a type of microbe.…

Q: If an esculinase-postive and an esculinase-negative bacteria species can both grow on the Bile…

A: Bile Esculin Agar  It is defined as the type of selective differential agar that's used to isolate…

Q: What makes bacterial diseases such as Clostridium botulinum, Clostridium perfringens & Clostridium…

A: 1.Clostridium botulinum is an anaerobic, rod-shaped spore forming bacterium that produces a protein…

Q: Is Saccharomyces boulardii safe?

A: Saccharomyces boulardii is a tropical species of yeast first isolated from lychee and mangosteen…

Q: What are the common pathogens isolated from stool samples? What is the difference between a coliform…

A: A pathogen is living thing that causes infection. Infections and microorganisms can be microbes,…

Q: What are the shape, arrangement and gram staining use of the following? Staphylococcus aureus…

A: The bacterial morphology and Gram staining is very much important to study a particular type of…

Q: Different strains of Streptococcus pyogenes have different virulence factors, giving these microbes…

A: Streptococcus pyogenes is the leading cause of uncomplicated bacterial pharyngitis and tonsillitis…

Q: Which antibiotic listed would be most effective against E Coli?

A: Kirby-Bauer is a type of disk diffusion susceptibility test, which is used to determine the whether…

Q: Klebsiella Pneumoniae produces a capsule: How does klebsiella pneumonia contribute to the virulence…

A: Studies have recognised three factors that may mediate virulence: cell wall receptors, capsular…

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…

Q: Single Matching. Match the infectious agent with the disease it is most associated with. -…

A: Infectious diseases are caused by pathogens like viruses, bacteria, and fungi. They can be…

Q: a. What characteristics of Clostridium contribute to its pathogenicity?b. Compare the toxigenicity…

A: Bacteria can be defined as the are microscopic, single-celled organisms that thrive in diverse…

Q: Is Staphylococcus epidermidis catalase positive or negative?

A: Staphylococcus epidermidis  Introduction:- Gram-positive bacteria Basically, it is harmless Present…

Q: what is the thermal death time? what is the thermal death time for Bacillus subtilis and…

A:

Q: What is the difference between the use of Peppermint oil and Cinnamon oil in Veterinary Medicine to…

A: Need to find the difference in use of using peppermint and cinnamon oil in medicine to treated…

Q: What is bacillus cereus ?

A: Microbes are the small sized organisms that can't be seen by naked eyes. The microscope is used to…

Q: How did Staphylococcus aureus become methicillin resistant?

A: S. aureus, a member of the family Micrococcaceae is a gram-positive. It is an opportunist pathogen…

Q: Which of the following is true regarding pathogenic strains of Staphylococcus and Streptococcus,…

A: Staphylococcus are gram-positive cocci that grow in clumps whereas streptococci are also gram…

Q: What drugs would you recommend for Tetanus treatment? Explain the mechanism of action of the toxin…

A: Clostridium tetani is the causative bacteria for the infection Tetanus. The spores of this bacteria…

Q: What characteristic separates Salmonella and Shigella from most of the other enterobacteria? What…

A: Enterobacteria belong to the family of Enterobacteriaceae. These are responsible for causing…

Q: What is the likely outcome of Listeria monocytogenes exposurein normal healthy individuals?

A: Listeria Monocytogenes is a Gram-positive bacteria. It is found in soil and decaying food. It can…