When a Child Has "Strep Throat," Which of These Actions

When a child has "strep throat," which of these actions should the nurse emphasize with the caregivers?

A) ensure completion of the prescribed antibiotics to prevent further complications
B) maintain treatment with antihistamines and decongestants to decrease the incidence of reoccurrence
C) isolate the child from caregivers and friends who have never had "strep throat" for 48 to 72 hours
D) allow the child to follow a usual routine of activity and rest