Staphylococcus Aureus and Enterotoxin B

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42 Questions

Which pathogen is associated with Whooping cough?

Bordetella pertussis

What is the shape of Bordetella pertussis?

Coccobacilli

Which pathogen is commonly known as the livestock pathogen that can also infect humans through different routes?

Bacillus anthracis

Which pathogen causes molecular mimicry leading to systemic lupus and erythematosus?

Burkholderia spp

What is the natural habitat of Vibrio cholerae?

Brackish water

Which of the following is a symptom of cholera caused by Vibrio cholerae?

Rice-water stools

What is the mechanism of action of Cholera Toxin on epithelial cells?

Causes endocytosis and affects Golgi and ER

Which type of waterborne infection is associated with Yersinia Pestis?

Plague

What did ancient DNA analysis help in studying regarding Yersinia Pestis?

Causative agent of plague

Which component of Cholera Toxin leads to increased Cl- efflux and decreased Na+ influx in cells?

[AMP]

Which bacterial species is known to cause colitis and is a major cause of hospital-acquired infections?

Clostridioides difficile

What is the mechanism of action of the toxin produced by Corynebacterium diphtheriae?

Protein synthesis inhibition

Which bacterium causes food poisoning and gas gangrene, producing more than 20 exotoxins?

Clostridium perfringens

Which bacterial species is associated with bacterial vaginosis?

Gardnerella vaginalis

What is the primary method of treatment for Clostridioides difficile infection?

Antibiotics

In which part of the body does Corynebacterium diphtheriae typically cause infection?

Respiratory tract

What process leads to the conversion of reticulate bodies (RBs) back to infectious extracellular bodies (EBs) in Chlamydia infection?

Actin remodeling

Which bacterial species is linked to acne as a top skin species?

Cutibacterium acnes

Which bacterial species is known to survive inside immune cells, particularly macrophages?

Proteobacter

Which bacterium is considered an obligate intracellular pathogen?

Mycobacterium leprae

Which bacterial species is associated with Leprosy?

Mycobacterium leprae

Which bacterial genus is known for causing atypical pneumonia and is specifically linked to Legionnaire's disease?

Proteobacter

Which bacterial species is known for causing periodontal disease and is associated with top genera in lung and oral microbiota?

Prevotella intermedia

Which of the following bacteria is involved in opportunistic nosocomial pneumonia and sepsis?

Pseudomonas aeruginosa

Which Firmicutes bacterium is commonly associated with skin infections, sinusitis, and food poisoning?

Staphylococcus aureus

Which bacterial species converts urea to ammonia due to its urease activity?

Proteus mirabilis

Which bacterium is associated with typhoid fever and is known for a polysaccharide capsule that inhibits phagocytosis?

Salmonella enterica

Which bacterial species is responsible for membrane ruffling and trigger mechanisms using T3SS in host cells?

Salmonella Typhimurium

Which bacteria are part of the top genera in lung and oral microbiota?

Prevotella intermedia

Which bacterial genus is associated with swarming motility due to the presence of 4-10 flagella?

Proteus mirabilis

Which bacteria are involved in causing urinary tract diseases and can lead to kidney stones?

Proteus mirabilis

Which bacterium among the given options causes periodontal disease?

Prevotella intermedia

Which of the following bacteria are known for causing slow-forming infections like sinusitis?

Staphylococcus aureus

Which Firmicutes bacterium is a usual member of the microbiota and is commonly found on the skin?

Staphylococcus aureus

What is the first step in Chlamydia infection after extracellular bodies (EBs) bind to host cell receptors?

Chlamydia-induced actin remodeling

Which treatment method for Clostridioides difficile infection has a potential risk of antibiotic resistance?

Fecal matter transplant (FMT)

What characteristic differentiates Clostridioides difficile from other bacteria of the Firmicutes phylum?

Production of spores

Which toxin produced by Clostridium perfringens leads to gas gangrene?

α-toxin

What is the major cause of hospital-acquired infections known as a superbug from the Firmicutes phylum?

Clostridioides difficile

Which bacterium is classified under Firmicutes and is associated with food poisoning as well as causing more than 20 exotoxins?

Clostridium perfringens

What is the mechanism of action of Diphtheria Toxin produced by Corynebacterium diphtheriae?

"Transfers ADP-Ribose moiety from cellular NAD+ to intracellular host proteins"

Which pathogen associated with bacterial vaginosis belongs to the Actinobacteria phylum?

Gardnerella vaginalis

Learn about Staphylococcus aureus, its characteristics, Mannitol salt agar test, Enterotoxin B mode of action, and its significance in nosocomial infections. Explore the differentiation between cocci genera, catalase and coagulase tests, and more.

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