What Should Patient Education for a Patient Being Given Nose

What should patient education for a patient being given nose drops for the first time include?

A) Asking the patient to sit down and tip her head to the side to allow for a better angle for the instillation of the drops
B) Holding the dropper against the side of the nose so that all the medication flows into the nares
C) Asking the patient to return any unused medication to the bottle
D) Tipping the head back and holding the dropper over the nostril and then telling the patient to keep her head back for a few minutes