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.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free