Antiviral Agents: Mechanisms and Applications
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Questions and Answers

What is the primary mechanism of action of abacavir in HIV-1 treatment?

  • Acts as a dopaminergic agent
  • Prevents viral DNA growth (correct)
  • Inhibits neuroaminidase activity
  • Inhibits viral cell replication

Which antiviral agent is specifically used for the management of uncomplicated influenza illness?

  • Lamivudine
  • Acyclovir
  • Ribavirin
  • Oseltamivir (correct)

Which antiviral drug is considered a non-nucleoside reverse transcriptase inhibitor?

  • Famciclovir
  • Efavirenz (correct)
  • Lamivudine
  • Abacavir

What condition is primarily treated with amantadine?

<p>Influenza A virus (D)</p> Signup and view all the answers

Which of the following antiviral agents is effective against hepatitis B infections?

<p>Lamivudine (A)</p> Signup and view all the answers

What is the primary effect of ribavirin in viral infections?

<p>Effective against respiratory viruses (D)</p> Signup and view all the answers

Which antiviral agent inhibits viral replication specifically in immunocompromised patients suffering from herpes simplex infections?

<p>Acyclovir (A)</p> Signup and view all the answers

Which agent acts as a nucleoside reverse transcriptase inhibitor in the management of HIV-1?

<p>Abacavir (A)</p> Signup and view all the answers

Flashcards

Abacavir: What does it do?

Inhibits the activity of HIV-1 reverse transcriptase, preventing viral DNA growth. Used in combination with other medications to manage HIV-1 infection.

Acyclovir: What's its purpose?

Acyclovir stops viral cell replication. It's used to manage genital herpes and severe herpes simplex infections in people with weakened immune systems.

Amantadine: What is its unique function?

While also being a dopaminergic agent, amantadine specifically targets and inhibits the Influenza A virus.

Efavirenz: How does it work?

Efavirenz is a non-nucleoside reverse transcriptase inhibitor that stops HIV-1 from replicating. It is typically used in combination with other antiviral drugs to manage HIV-1 infection.

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Famciclovir: What is its function?

Famciclovir prevents viral cell replication. It's used to treat genital herpes and a painful shingles infection.

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Lamivudine: How is it used?

Lamivudine works by inhibiting viral cell replication. It's used for managing both HIV-1 and hepatitis B infections.

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Oseltamivir: What is its mechanism?

Oseltamivir prevents viral cell reproduction and spread by inhibiting the enzyme neuroaminidase. It's used to manage uncomplicated influenza infections.

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Ribavirin: What sort of viruses does it target?

Ribavirin is effective against various respiratory viruses and can be used to manage infections caused by several viral families. It's also effective against RNA viruses like influenza, parainfluenza, and respiratory syncytial virus.

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Study Notes

Antiviral Agents: Mechanisms and Applications

  • Abacavir: Inhibits HIV-1 reverse transcriptase, preventing viral DNA growth. Used in combination with other antivirals to manage HIV-1 infection.

  • Acyclovir: Inhibits viral cell replication. Treats genital herpes and herpes simplex infections in immunocompromised individuals.

  • Amantadine: A dopaminergic agent with antiviral activity against Influenza A virus.

  • Efavirenz: A non-nucleoside reverse transcriptase inhibitor. Prevents HIV-1 replication. Used in combination with other antiretrovirals to manage HIV-1 infection.

  • Famciclovir: Inhibits viral cell replication. Treats genital herpes and herpes zoster.

  • Lamivudine: A nucleoside reverse transcriptase inhibitor that prevents viral cell replication. Used for HIV-1 and hepatitis B infections.

  • Oseltamivir: Inhibits neuroaminidase, preventing viral spread. Treats uncomplicated influenza.

  • Ribavirin: Effective against various respiratory viruses, including those from Adenoviridae, Herpesviridae, and Poxviridae families and RNA viruses like influenza, parainfluenza, and respiratory syncytial viruses.

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Description

Explore the mechanisms and applications of various antiviral agents in treating viral infections such as HIV, influenza, and herpes. This quiz covers crucial information on drugs like Abacavir, Acyclovir, and Oseltamivir to enhance your understanding of their functions and clinical uses.

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