Antiviral and Antitubercular Drugs Quiz
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Questions and Answers

What is the primary mode of action of virustatic drugs?

  • Preventing reproduction and growth of viruses (correct)
  • Directly killing viruses
  • Preventing viral entry into host cells
  • Enhancing the host immune system
  • Why are antiviral drugs considered virustatic?

  • They prevent viral entry into host cells
  • They directly attack and kill viruses
  • They enhance the host immune system
  • They reduce the number of viruses (correct)
  • What is a key characteristic of antiviral drugs in terms of their ability to enter cells?

  • They cannot enter host cells
  • They rely on the host immune system for entry
  • They are able to enter the cells infected (correct)
  • They only enter healthy cells
  • Why is the exact mechanism of antiviral drugs often unclear?

    <p>Exact mechanism varies for different viruses</p> Signup and view all the answers

    What is a challenge in designing anti-viral treatments mentioned in the text?

    <p>Host cells must be immune to treatment</p> Signup and view all the answers

    What is the primary intended action of antiviral drugs?

    <p>Shorten duration, prevent reactivation, prevent viral infection</p> Signup and view all the answers

    What is a key characteristic of antiviral drugs in terms of their effect on viruses?

    <p>Most inhibit replication</p> Signup and view all the answers

    Why do antiviral drugs depend on the host immune system for a cure?

    <p>To eradicate the virus, the host's immune system must be involved</p> Signup and view all the answers

    What is a potential consequence of administering antiviral drugs intravenously?

    <p>More severe allergic reactions</p> Signup and view all the answers

    What influences the efficacy of antiviral drugs?

    <p>Activity of enzymes and concentration</p> Signup and view all the answers

    Study Notes

    Virustatic Drugs

    • Primary mode of action: inhibit viral replication, but do not eliminate the virus from the body.
    • Considered virustatic because they do not directly kill the virus, but rather suppress its growth.

    Antiviral Drug Characteristics

    • Key characteristic: ability to enter cells to be effective.
    • Primary intended action: to reduce viral replication and alleviate symptoms.

    Limitations of Antiviral Drugs

    • Exact mechanism often unclear due to the complexity of viral replication and the host's response.
    • Depend on the host immune system for a cure, as they only suppress viral replication.

    Challenges and Consequences

    • Challenge in designing anti-viral treatments: the high mutation rate of viruses, making it difficult to develop effective drugs.
    • Potential consequence of administering antiviral drugs intravenously: toxicity and side effects.
    • Efficacy influenced by factors such as the patient's immune status, the type of virus, and the timing of treatment.

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    Description

    Test your knowledge of antiviral and antitubercular drugs with this quiz. Learn about the intended actions, mechanisms, and potential side effects of these important medications in clinical pharmacology.

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