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2 Written questions

2 Multiple choice questions

  1. Come from the fungus CephalosporiumAcremonium.

    Work by the same mechanisms as penicillin's; but work on gram (+), not effective against gram (-)

    Have beta-lactam ring with dihydrothiazine ring, makes more resistant to beta-lactamases
  2. Prevents cross-linking of peptides and synthesis of peptide strnd through autolysin activators. Does not allow enzyme to cross link peptide strands.

    Methicillin, Oxacillin, Nafcillin, Cloxacillin, Dicloxacillin

2 True/False questions

  1. BacitracinInterferes with dephosphorylation of isoprenyl pyrophosphate; molecule carries peptidoglycan building blocks

          

  2. PenicillinAmpicillin and Amoxicillin
    o Broad-spectrum penicillin's; safe for prescription but not resistant to beta-lactamase
    o Effective aginst gram (-)

    Extended-spectrum penicillin's *not know
    o Works against most bacteria, gram(-) and gram (+)

    Carbenicillin, Ticaracillin, Azlocillin, Piperacillin.
    - May have hypersensitive reaction (rashes, fever) that may lead to anaphylactic shock in some cases
    - Can cause antiplatelet effects

          

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