Problem: RM is a 35 year old who reports having a cold for the past week. she complains of difficulty sleeping due to persistent cough. Which of the following could be used to suppress RM's cough while sleeping? Need Assignment Help? (Select all that apply) a. delsym, b. G tussin AC, C. robitussin DM, d. mucinex, e. tessalon perles, f. zeprex-D