Explanation: It is essential for the client to complete the full course of prescribed scabicidal treatment, even if itching improves. Stopping the treatment prematurely may lead to incomplete eradication of the mites and possible reinfestation.

Incorrect choices: b. Applying the scabicidal cream again after one week is necessary to ensure all mites are eliminated, including any that may have hatched since the initial treatment.

c. Covering all areas of the body with the scabicidal cream during each application is essential to ensure that all affected areas are treated and the mites are eradicated.

d. Continuing to apply the scabicidal cream even if the rash starts to improve is important to complete the treatment and prevent recurrence.