<prompt>  In an accidental needle stick, an unknown quantity of blood from an AIDS patient is injected into a nurse. The most recent laboratory report on the AIDS patient shows a CD4 count of 20μl and a viral RNA load of greater than 107copiesml. The most appropriate course of action regarding the treatment of the nurse is to :Monitor the nurses blood to determine whether HIV transmission has occurredTreat with full doses of zidovudine for 2 weeksAdd acyclovir to the 4-weeks zidovudine regimenAdminister zidovudine with lamivudine for 4 weeks 