Which of these statements concerning the causative agent of listeriosis is false?a) It can cause meningitis during the first month of life.b) It is a Gram-positive rod that can grow in refrigerated food.c) It is usually transmitted by the respiratory route.d) Infection can result in bacteremia.e) It is widespread in natural waters and vegetation.

Q: What is the primary virulence factor for Streptococcuspneumoniae?

A: Streptococcus pneumoniae also is known as pneumococcus is a gram-positive coccus. They are…

Q: There is an outbreak of enteric fever in a small Community. What is the causative bacteria; and how…

A: Another name of enteric fever is Typhoid fever. This type of fever has the following stages: The…

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 Balantidium coli have the greatest clinical impact?

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

Q: All of the following are true about Clostridium tetani, thecausative agent of tetanus, EXCEPT:(a)…

A: The small microscopic organisms that cannot be seen with the naked eye are called microorganisms or…

Q: Why do you think the slow growth rate of M. leprae makes leprosy treatment more difficult?

A: Leprosy (or Hansen’s disease) is caused by the infectious bacteria Mycobacterium leprae. The disease…

Q: is acute necrotizing gingivitis a primary or secondary infection

A: Acute Necrotizing Gingivitis: Acute necrotising gingivitis is also called Acute necrotising…

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: How does Helicobacter pylori cause stomach ulcers?

A: Helicobacter pylori(H. pylori can be defined as a type of bacteria. These germs have the tendency to…

Q: What are Streptococcal Infections ?

A: Infection is caused by the invasion and multiplication of pathogens like viruses, parasites,…

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: What is ancylostomiasis?

A: Hookworms are blood-feeding, intestinal, and parasitic worms. It causes various kinds of infection.…

Q: Why would medication fail to cure HSV infections even though it prevents recurrent cold sores?

A: Herpes affected individuals are generally asymptomatic or show painful blisters and ulcers. HSV…

Q: What medical conditions commonly predispose patients to mycoticinfection?

A: Fungi are the multicellular eukaryotic organisms. They are heterotrophs and contain chitin in their…

Q: What is the habitat of candida auris infection?

A: Candida aurius is a fungal species belonging to family saccharoomycetacae. It causes candidiasis in…

Q: What is the chain of infection for bollous myringitis?

A: Chain of infection is the counditions which should be met for an infection or disease to occur  It…

Q: Why are healthy individuals in hospitals not considered to be as much at risk for infections by…

A: Superbugs are the microorganisms which can be Bactria, viruses or fungi, which develop resistance…

Q: How would adequate ventilation help to prevent the spread of streptococcal infections?

A: The streptococci are the gram positive organisms which causes throat and nose infections.

Q: What major virulence factors are produced by Salmonella?

A: The ability of the pathogen to multiply within the host or the degree of pathology caused by the…

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: All of the following pertain to listeriosis, except O 1) intrauterine infection usually results in…

A: Listeriosis is a serious bacterial infection caused by a bacterium. This can happen by eating any…

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: What is Escherichia coli infection?

A: Bacteria are prokaryotic organisms that have undefined nucleus and nuclear membrane. Most of the…

Q: If a person returns from traveling affl icted with trypanosomiasis or leishmaniasis, is he or she…

A: A condition that deteriorates the normal functioning of the cells, tissues, and organs is called as…

Q: What are the diagnosis, signs, and symptoms of the Black Plague?

A: Plague is caused by a gram negative bacterial pathogen Yersinia pestis. Plague has two phases.…

Q: How is S. enterica, the causative agent of typhoidfever, transmitted? What are the stages of…

A: Typhoid or typhoid fever is caused by bacterium Salmonella enterica. Bacteria are unicellular and…

Q: Is Bacillus cereus pathogenic?

A: Bacillus Cereus bacteria commensal or pathogenic to foods

Q: What is cause of Creutzfeldt–Jakob disease in humans ?

A: Creutzfeldt-Jakob disease is defined as a rapidly progressive, neurodegenerative, and fatal…

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 is chalmydia transmitted?

A: Chlamydia disease is a sexually transmitted diseases that is caused by bacteria chlamydia…

Q: How is Bordetella pertussis spread?

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

Q: explain the parasite listeria monocytogenes and listeriosis and how to minimize this disease. please…

A: Answer: PARASITE = These are microorganisms which prey the other microorganism for their live and…

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: What do rickettsias and chlamydias derive from the host?

A: Rickettsia and chlamydia are obligate intracellular organisms. The rickettsia are the parasites…

Q: List several differences between lepromatous and tuberculoidleprosy.

A: Infectious diseases are illnesses which are caused by organisms such as viruses, bacteria,…

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: What is the gram reaction, oxygen requirement, size, incubation period and number of days being…

A: Mucormycosis represents a group of life-threatening infections caused by fungi of the order…

Q: What are the most effective ways to prevent and control dengue? Differentiate Taenia Solium and…

A: Introduction The dengue virus causes dengue fever, a mosquito-borne tropical disease. Three to…

Q: What antibiotic treats shigella flexneri?

A: Microbes, which are tiny and nearly invisible, have had a huge influence on society since the…

Q: What are the major virulence factors of Bacillus anthracis?

A: Bacteria are prokaryotic organisms that have an undefined nucleus and nuclear membrane. Most of the…

Q: What are the major similarities and differences betweenrhizobia and Frankia?

A: Nitrogen fixation is a cycle by which molecular nitrogen noticeable all around is changed over into…

Q: is acute necrotizing gingivitis a systemic or local infection? and what is its reservoir?

A: Necrotic gingivitis is a short lived infection of the gum of the oral cavity of human beings. It is…

Q: Why is erysipeloid an occupation-associated infection?

A: A condition when any foreign organisms invade the body of another organism and causes disease is…

Q: How do Koch’s postulates ensure that cause and effect of agiven disease are clearly differentiated?

A: Robot Koch was a famous microbiologist as he studied several bacterial diseases. His postulates…

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: What medical conditions commonly predispose patients to m ycotic infection?

A: Conditions that predispose patients to any of the opportunistic fungal pathogens are as follows:…

Q: What is the normal habitat of Staphylococcus aureus? Howdoes S. aureus spread from person to person?

A: Staphylococcus aureus is a Gram-positive, round-shaped bacterium that is a member of the Firmicutes.…

Reproductive system infection

The biological process through which parents produce new children is called reproduction. A reproductive system is a group of internal and external organs that collaborate to allow males and females to reproduce. Many experts believe that the reproductive system is one of the most important systems in the body due to its crucial function in the survival of the species. Among the body's basic systems, the reproductive tract is the one that differs the most between sexes, and it is also the only one that does not operate until puberty.