To ensure patient's safety, the nurse should make sure aside from informing the patient and significant others to finish the treatment prescribed he or she should also make sure the patient is well hydrated like providing fluid replacement such as Oresol or drinks with electrolytes such as Gatorade to avoid dehydration.
I believe the answer is a psychiatrist.
I think it is D because they always say that men are always more professional than woman. And are always nice