A nurse is caring for a client who has varicella-zoster virus.Which of the following medications should the nurse expect to administer?

Choice A rationaleAcyclovir is an antiviral medication that inhibits viral DNA synthesis. It reduces the severity and duration of varicella-zoster virus symptoms by targeting the virus directly.Choice B rationaleVancomycin is an antibiotic effective against Gram-positive bacteria. It is not effective against viral infections like varicella-zoster, which requires antiviral treatment.Choice C rationaleGentamicin is an aminoglycoside antibiotic used to treat Gram-negative bacterial infections. It is ineffective against varicella-zoster virus, which is a viral infection.Choice D rationaleQuinine is an antimalarial medication used to treat malaria. It does not have antiviral properties and is not effective against varicella-zoster virus.