The most commonly abused substance in the United States is

The skilled office manager is vital to the success of the ambulatory health care setting

Indicate whether the statement is true or false

When changing an appointment in an appointment book,

A. erase the entry so the appointment time looks open again. B. white out the entry so the appointment time looks open again. C. cross out the entry and indicate why the patient cancelled. D. place an "X" next to the name so it is known the appointment space is open again.