Which Patients Are Most Likely to Need Continuous Intravenous Therapy

Which patients are most likely to need continuous intravenous therapy? (Select all that apply.?

A) A 3-year-old who has had frequent diarrhea and vomiting for 3 days
B) A patient with pitting edema and lung crackles
C) An 85-year-old man with Alzheimer's disease who refuses to eat or drink
D) A 16-year-old girl with anorexia who has been repeatedly purging
E) A 45-year-old woman with a broken humerus