Final answer:
Option 1). Open scheduling is the type of appointment system that allows flexibility for consistent patient flow.
Step-by-step explanation:
Open scheduling is the kind of appointment scheduling that gives you the most freedom to ensure a steady flow of patients. Open scheduling gives doctors flexibility to accommodate patients and shorten wait times by enabling walk-ins or same-day appointments without a fixed time frame. This strategy aids in maintaining a steady stream of patients throughout the day. An open schedule clinic, for instance, might set aside a portion of each day for walk-in patients instead of requiring them to make reservations in advance.