Final answer:
The preoperative stage is when the patient is relaxed, conscious, and can follow directions before anesthesia is administered and surgery begins.
Step-by-step explanation:
The stage during which a patient is relaxed, fully conscious, and capable of keeping his or her mouth open without assistance while being able to follow directions is called preoperative. This is the period before the administration of anesthesia where the patient is prepped for surgery but has not yet received any anesthetic agents. It's important during this phase that the patient can cooperate with the medical team's instructions and maintain an open airway before anesthesia relaxes the majority of the body's muscles.