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2 Written questions

2 Multiple choice questions

  1. Ampicillin 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
  2. Interferes with dephosphorylation of isoprenyl pyrophosphate; molecule carries peptidoglycan building blocks

2 True/False questions

  1. Beta-Lactam AntibioticsPrevents 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. CephalosporinsCome 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