Aminoglycoside resistance US Medical PG Flashcards - Medical Study Cards
Master Aminoglycoside resistance 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.
Aminoglycoside resistance Flashcard Deck - 10 Cards
Flashcard 1: _____ is a -lactamase producing bacteria resistant to penicillin.
Answer: Staph aureus
Flashcard 2: Resistance to Colistin (Polymixin E) is encoded via the Mcr-1 gene which alters the structure of _____
Answer: Lipid A
Flashcard 3: What phase of bacterial growth do antibiotics have their greatest effect?_____
Answer: Growth
Flashcard 4: Which gram-negative rod produces an exotoxin that ADP-ribosylates EF-2?_____
Answer: Pseudomonas aeruginosa
Flashcard 5: What gram staining group have porins in their wall?_____
Answer: Gram negative, and thus can downregulate porins in -lactam resistance
Flashcard 6: What glial cell type serves as the CNS phagocyte?
Answer: microglia
mnemonic: Microglia (e.g. Macrophages) develop from Mesoderm
Flashcard 7: Microglia derive from what embryologial predecessor?
Answer: mesoderm
mnemonic: Microglia (e.g. Macrophages) develop from Mesoderm
Flashcard 8: Where do the genes for bacterial exotoxins reside?
Answer: plasmids or transferred by bacteriophages
Flashcard 9: What bacteria are particularly adept at transformation of environmental DNA?
Answer: S. pneumoniae, H. influenzae B, Neisseria
mnemonic: SHiN
Flashcard 10: Give four processes by which bacteria may gain/lose/recombine DNA.
Answer: transformation, transposition, transduction, conjugation
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