<span>A: </span>Ambulatory care consists of diagnostic and therapeutic services and treatments provided to the "walking"(ambulatory) patients. Patents who came to physicians offices, outpatient departments to receive care. Some outpatients services maybe offered by hospital or long term facility.
It depends on the type of drug you mean, such as medicinal drugs like marijuana, or bad drugs like cocaine or heroine. But the best answer(in my opinion) is B.
Alcohol can affect all of those pertaining to your body system if long overuse of alcohol but mostly I believe it will really affect your digestive system