Which nursing advice is appropriate for the parents of an 8-week-old baby with sickle cell disease that does not want penicillin prophylaxis? Select all that apply.
a) Educate the parents about the risks of not receiving penicillin prophylaxis.
b) Discuss alternative medications to penicillin for prophylactic purposes.
c) Respect the parents' decision and refrain from further recommendations.
d) Explain the necessity of penicillin prophylaxis in preventing infections in sickle cell disease.