Properties of Penicillin G
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Questions and Answers

Which type of bacteria is Penicillin G most effective against?

  • Spirochetes
  • Gram-positive bacteria (correct)
  • Gram-negative bacilli
  • Penicillinase-producing staphylococci
  • In which situation is Penicillin G considered a drug of choice?

  • Gas gangrene caused by Clostridium perfringens
  • Infections caused by penicillinase-producing Staphy.aureus
  • Treatment of gram-negative bacilli infections
  • Pharyngitis caused by Streptococcus pyogenes (correct)
  • What is the antimicrobial spectrum of Penicillin G in relation to gram-negative bacteria?

  • Resistant to most gram-negative bacilli (correct)
  • Effective against all gram-negative bacteria
  • Inactive against all gram-negative bacteria
  • Active against Neisseria meningitidis only
  • For which infection is Penicillin G the preferred drug?

    <p>Endocarditis caused by Streptococcus viridans</p> Signup and view all the answers

    Which form of penicillin G is considered a repository preparation because it is absorbed slowly?

    <p>Benzathine penicillin G</p> Signup and view all the answers

    Which route of administration should be used when high blood levels of penicillin are needed rapidly?

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

    Which salts of penicillin G must never be administered intravenously due to poor water solubility?

    <p>Procaine and benzathine salts</p> Signup and view all the answers

    Which body tissues show poor penetration by penicillin in the absence of inflammation?

    <p>Meninges and cerebrospinal fluid</p> Signup and view all the answers

    How is penicillin primarily eliminated from the body?

    <p>Through renal excretion</p> Signup and view all the answers

    In which group of patients should kidney function be monitored when using penicillin?

    <p>Older adults</p> Signup and view all the answers

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