Penicillins
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Questions and Answers

Which enzyme do penicillins competitively inhibit?

  • ß-lactamase
  • Penicillin-binding proteins
  • Peptidoglycans
  • DD-transpeptidase (correct)

    • What is the result of penicillin's inhibition of DD-transpeptidase?

  • Cell lysis
  • Cell wall weakening (correct)
  • Water influx into the cell
  • Cell swelling

    • What is the role of ß-lactamase in bacterial resistance to penicillin?

  • Inhibiting cell lysis
  • Breaking down the ß-lactam ring (correct)
  • Promoting water influx into the cell
  • Strengthening cell walls

    • Which penicillin is commonly used for streptococcal infections like tonsillitis and pneumonia?

    <p>Phenoxymethylpenicillin</p> Signup and view all the answers

    In addition to streptococcal infections, what other type of infection can Amoxicillin/Co-Amoxiclav be used for?

    <p>E. coli UTI</p> Signup and view all the answers

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