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Herpes Labialis and Herpetic Keratitis Quiz

10 Questions

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Herpes Labialis and Herpetic Keratitis Quiz

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Questions and Answers

What is the typical timeframe for cytopathic effect (CPE) to appear in HSV infection?

24 hours

1 week

48 hours

72 hours (correct)

Which test can be used for the diagnosis of primary HSV infection?

Direct immunofluorescence test

Tzanck smear

Viral DNA test

Serology test (correct)

What is the best antiviral drug of choice for treating HSV infections?

Ganciclovir

Valacyclovir

Acyclovir (correct)

Famciclovir

Which laboratory method is the most sensitive and specific for detecting viral DNA in HSV infection?

Polymerase chain reaction (PCR) Signup and view all the answers

What is the role of Acyclovir in reducing the severity of HSV outbreaks?

Inhibiting viral DNA polymerase Signup and view all the answers

Which feature is characteristic of cells infected with HSV on a Tzanck smear?

Multinucleated giant cells Signup and view all the answers

What is a common clinical use of Acyclovir?

Treatment of encephalitis and disseminated disease Signup and view all the answers

What is the main action of Acyclovir in reducing the transmission of HSV to others?

Inhibiting viral replication Signup and view all the answers

Which test can detect the presence of HSV antigen in epithelial cells?

Direct immunofluorescence test (DFA) Signup and view all the answers

What do infected Vero cells show in a cytopathic effect (CPE) due to HSV-1 infection?

Rounded cells, multinucleated cells, loss of monolayer Signup and view all the answers