Bacteria US Medical PG Flashcards - Medical Study Cards
Master Bacteria with OnCourse flashcards. These spaced repetition flashcards are designed for medical students preparing for NEET PG, USMLE Step 1, USMLE Step 2, MBBS exams, and other medical licensing examinations.
Bacteria Flashcard Deck - 10 Cards
Flashcard 371: Which bacteria is commonly found in cattle/sheep amniotic fluid?\n_____
Answer: Coxiella burnetii
Extra: Coxiella burnetii is the causative agent of Q fever. It is found in high concentrations in the products of conception (placenta, amniotic fluid) of infected livestock (cattle, sheep, goats).
Flashcard 372: _____ is an obligate intracellular bacterium that causes Rocky Mountain Spotted Fever
Answer: Rickettsia rickettsii
Extra: https://onlinemeded.org/spa/infectious-disease?ref=anki
Flashcard 373: What is the most important virulence factor of Pasteurella multocida?
_____
Answer: Capsule
Extra:
Watch Pasteurella multocida [https://dashboard.sketchy.com/study/medical/courses/medical-microbiology/units/medical-microbiology-bacteria/videos/medical-microbiology-bacteria-gram-negative-bacilli-zoonotics-pasteurella-multocida?utm_source=anki&utm_medium=partnership&utm_campaign=february_update&utm_content=medical]
https://onlinemeded.org?ref=anki
Flashcard 374: Bacteria sometimes secrete a(n) _____, which is a sticky, gelatinous layer that assists the bacteria in attaching to host cells
Answer: capsule
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/microbiology/videos/fundamentals-of-bacteriology?index=2]
https://onlinemeded.org/spa/infectious-disease?ref=anki
Flashcard 375: Actinomyces is a bacteria that causes oral/facial abscesses that drain through the _____
Answer: sinus tracts
Extra:
Watch Actinomyces israelii [https://dashboard.sketchy.com/study/medical/courses/medical-microbiology/units/medical-microbiology-bacteria/videos/medical-microbiology-bacteria-gram-positive-branching-filamentous-rods-actinomyces-israelii?utm_source=anki&utm_medium=partnership&utm_campaign=february_update&utm_content=medical]
https://onlinemeded.org/spa/infectious-disease?ref=anki
Flashcard 376: Which exotoxin of Clostridioides difficile is a brush border toxin that causes watery diarrhea?
_____
Answer: Toxin A (enterotoxin)
Extra:
Watch Clostridium difficile [https://dashboard.sketchy.com/study/medical/courses/medical-microbiology/units/medical-microbiology-bacteria/videos/medical-microbiology-bacteria-gram-positive-bacilli-clostridioides-difficile?utm_source=anki&utm_medium=partnership&utm_campaign=february_update&utm_content=medical]
https://onlinemeded.org/spa/infectious-disease?ref=anki
Flashcard 377: What bacteria is a common cause of secondary infection in calculous cholecystitis?
_____
Answer: E. coli
Extra:
Watch Gallbladder & Biliary Tract Disease [https://dashboard.sketchy.com/study/medical/courses/medical-pathophysiology/units/medical-pediatrics-hepatobiliary/videos/medical-pathophysiology-hepatobiliary-gallbladder-and-biliary-tract-disease-gallbladder-and-biliary-tract-disease?utm_source=anki&utm_medium=partnership&utm_campaign=february_update&utm_content=medical] Watch associated Bootcamp video [https://app.bootcamp.com/med-school/gross-anatomy/videos/hepatoduodenal-ligament-celiac-trunk-stomach-spleen-liver-and-gallbladder?index=9]
https://onlinemeded.org?ref=anki
Atlas:
Flashcard 378: Clostridium perfringens' spores produce heat-_____ enterotoxin
Answer: labile
Extra:
Watch Clostridium perfringens [https://dashboard.sketchy.com/study/medical/courses/medical-microbiology/units/medical-microbiology-bacteria/videos/medical-microbiology-bacteria-gram-positive-bacilli-clostridium-perfringens?utm_source=anki&utm_medium=partnership&utm_campaign=february_update&utm_content=medical]
https://onlinemeded.org/spa/infectious-disease?ref=anki
Flashcard 379: Which vector transmits Lyme Disease (Borrelia burgdorferi)?
_____
Answer: Ixodes tick
Extra:
Watch Borrelia burgdorferi [https://dashboard.sketchy.com/study/medical/courses/medical-microbiology/units/medical-microbiology-bacteria/videos/medical-microbiology-bacteria-spirochetes-borrelia-burgdorferi?utm_source=anki&utm_medium=partnership&utm_campaign=february_update&utm_content=medical]
https://onlinemeded.org/spa/infectious-disease?ref=anki
Flashcard 380: In **conjugate vaccines**, a polysaccharide is conjugated to a(n) _____ to elicit a stronger immune response (e.g. immunologic memory)
Answer: protein
Extra: Polysaccharide antigens alone are T-cell independent and do not produce memory. Conjugation to a protein carrier allows the antigen to be presented on MHC II to T-helper cells, leading to class switching and immunologic memory.
Examples: Hib, Meningococcal, and Pneumococcal (PCV13) vaccines.
Watch associated Bootcamp video: https://app.bootcamp.com/med-school/immunology/videos/vaccinations?index=10
Reference: https://onlinemeded.org/spa/pediatrics/vaccinations/acquire?ref=anki
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