When I write orders for a patient to be NPO, and still want them to have certain po meds, I'll write the order exactly that way. "NPO after [time] except may take AM meds with a sip of water." If...
If you are a senior in high school, I'd recommend you go to medical school and ultimately become an anesthesiologist. It is MUCH harder to get into CRNA school than medical school (much more...