Antiviral Agents

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Which of the following best describes antiviral agents?

Medications that help the body fight off certain viruses (correct)

Medications that are commonly used in farm and equine practice

Medications that prevent viral infections

Medications that are commonly used in first-opinion practice

What is one thing to consider about antiviral agents?

They have a low cost associated with them

They have a large cost associated with them (correct)

They are commonly used in first-opinion practice

They are commonly used in farm and equine practice

Why are antiviral agents not typically used in first-opinion practice?

They are not effective against viruses

They have a low cost associated with them

They are commonly used in farm and equine practice

They have a large cost associated with them (correct)

What is the best way to control viral diseases?

Developing effective vaccines Signup and view all the answers

How do viruses replicate within a host cell?

By incorporating viral DNA into the host cell's nucleus Signup and view all the answers

Why is the development of antivirals challenging?

Viruses use the host cell to replicate Signup and view all the answers

What is the general idea behind the development of antivirals?

To identify viral proteins on the cell surface that can be disabled Signup and view all the answers

Which type of antiviral treatment relies on enhancing the immune response of the host?

Interferon Signup and view all the answers

Which antiviral drug is effective against a variety of infections caused by DNA viruses and is available in topical, oral, and IV forms?

Acyclovir Signup and view all the answers

Which antiviral drug has evidence suggesting it is as effective as acyclovir in reducing respiratory and ocular clinical signs of feline herpesvirus type I?

Famciclovir Signup and view all the answers

Which antiviral agent is primarily used for ocular herpes viral infection?

Trifluridine Signup and view all the answers

Which antiviral drug enters the virally infected cell and prevents replication in the early stages, making it useful in acute cases?

Zidovudine Signup and view all the answers

Which antiviral drug is broad spectrum and effective against many different viruses, including adenoviruses, herpesviruses, rotaviruses, and retroviruses?

Ribavirin Signup and view all the answers

Which antiviral drug has rare viral resistance but greater contraindications such as weight loss, anemia, and bone marrow depression?

Ribavirin Signup and view all the answers

Which factor affects the efficacy of ribavirin as an antiviral?

All of the above Signup and view all the answers

Which of the following is true about antiviral agents?

They are expensive medications. Signup and view all the answers

How do viruses replicate within a host cell?

Viral genes are released into the host cell and cause replication of viral components. Signup and view all the answers

What is the primary challenge in developing antivirals?

Identifying viral proteins on the cell surface. Signup and view all the answers

What is the general idea behind the development of antivirals?

To prevent viral replication within the host cell. Signup and view all the answers

Why are antiviral agents not typically used in first-opinion practice?

They are expensive medications. Signup and view all the answers

What is one thing to consider about antiviral agents?

They have a large cost associated with them. Signup and view all the answers

What is the best way to control viral diseases?

Developing effective vaccines. Signup and view all the answers

Which of the following is a characteristic of antiviral drugs used in veterinary medicine?

They negatively impact the normal pathways of the host cells Signup and view all the answers

Which of the following is true about the development of antiviral drugs?

They should target a common protein shared by alternative virus strains Signup and view all the answers

Which of the following is a characteristic of drugs that inhibit simple steps in the viral replication cycle?

They rely on an adequate immune response being present Signup and view all the answers

Which antiviral drug is primarily used for feline herpes viral infection and has evidence suggesting it is as effective as acyclovir in reducing respiratory and ocular clinical signs?

Famciclovir Signup and view all the answers

Which antiviral drug is effective against a variety of retroviruses, including feline leukaemia virus (FeLV) and feline immunodeficiency virus (FIV)?

Zidovudine Signup and view all the answers

Which antiviral drug is broad spectrum and effective against many different viruses, but has greater contraindications such as weight loss, anemia, and bone marrow depression?

Ribavirin Signup and view all the answers

Which antiviral drug is primarily used for ocular herpes viral infection?

Trifluridine Signup and view all the answers

Which antiviral drug inhibits viral synthesis in infected cells and works on FELV and parvovirus cases?

Interferon Signup and view all the answers

What are some characteristics of antiviral drugs used in veterinary medicine?

Only a few antiviral drugs are reasonably safe and effective against the limited number of virus diseases. Most of these are developed for human use and widespread clinical use is not common in veterinary medicine. Signup and view all the answers

What is the mechanism of action of interferon?

Interferon inhibits viral synthesis in infected cells. Signup and view all the answers

What is the primary mode of action of Acyclovir?

Acyclovir primarily targets the herpesvirus family and is effective against a variety of infections caused by DNA viruses. Signup and view all the answers

What is the mechanism of action of Zidovudine?

Zidovudine enters the virally infected cell and prevents replication in the early stages. Signup and view all the answers

What is the broad spectrum antiviral drug that is effective against many different viruses?

Ribavirin is a broad spectrum antiviral drug that is effective against many different viruses, including adenoviruses, herpesviruses, rotaviruses, and retroviruses. Signup and view all the answers

Antiviral Agents

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Questions and Answers

Which of the following best describes antiviral agents?

What is one thing to consider about antiviral agents?

Why are antiviral agents not typically used in first-opinion practice?

What is the best way to control viral diseases?

How do viruses replicate within a host cell?

Why is the development of antivirals challenging?

What is the general idea behind the development of antivirals?

Which type of antiviral treatment relies on enhancing the immune response of the host?

Which antiviral drug is effective against a variety of infections caused by DNA viruses and is available in topical, oral, and IV forms?

Which antiviral drug has evidence suggesting it is as effective as acyclovir in reducing respiratory and ocular clinical signs of feline herpesvirus type I?

Which antiviral agent is primarily used for ocular herpes viral infection?

Which antiviral drug enters the virally infected cell and prevents replication in the early stages, making it useful in acute cases?

Which antiviral drug is broad spectrum and effective against many different viruses, including adenoviruses, herpesviruses, rotaviruses, and retroviruses?

Which antiviral drug has rare viral resistance but greater contraindications such as weight loss, anemia, and bone marrow depression?

Which factor affects the efficacy of ribavirin as an antiviral?

Which of the following is true about antiviral agents?

How do viruses replicate within a host cell?

What is the primary challenge in developing antivirals?

What is the general idea behind the development of antivirals?

Why are antiviral agents not typically used in first-opinion practice?

What is one thing to consider about antiviral agents?

What is the best way to control viral diseases?

Which of the following is a characteristic of antiviral drugs used in veterinary medicine?

Which of the following is true about the development of antiviral drugs?

Which of the following is a characteristic of drugs that inhibit simple steps in the viral replication cycle?

Which antiviral drug is primarily used for feline herpes viral infection and has evidence suggesting it is as effective as acyclovir in reducing respiratory and ocular clinical signs?

Which antiviral drug is effective against a variety of retroviruses, including feline leukaemia virus (FeLV) and feline immunodeficiency virus (FIV)?

Which antiviral drug is broad spectrum and effective against many different viruses, but has greater contraindications such as weight loss, anemia, and bone marrow depression?

Which antiviral drug is primarily used for ocular herpes viral infection?

Which antiviral drug inhibits viral synthesis in infected cells and works on FELV and parvovirus cases?

What are some characteristics of antiviral drugs used in veterinary medicine?

What is the mechanism of action of interferon?

What is the primary mode of action of Acyclovir?

What is the mechanism of action of Zidovudine?

What is the broad spectrum antiviral drug that is effective against many different viruses?

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