The Client Has Had Malaria for Many Years

The client has had malaria for many years. He asks the nurse why medications might not cure his illness when there are several drugs available. What is the best response by the nurse?

A) "Late in the illness, the immune system is too overwhelmed for medications to be effective."
B) "When erythrocytes rupture, the parasites are too numerous for medications to be effective."
C) "Once the parasite starts multiplying in your liver, medications are usually ineffective."
D) "When cysts occur late in the disease, the parasite is too resistant for medications to be effective."