Final answer:
The basis of the Hippocratic oath is Nonmaleficence.
Step-by-step explanation:
The basis of the Hippocratic oath is Nonmaleficence. The principle of nonmaleficence states that physicians should act in ways that do not cause harm to their patients. This means that physicians should consider any potential harms and only subject patients to those that are necessary for effective treatment. The principle of nonmaleficence is an important ethical guideline in medicine.