The trackball, touch pad, and ____ are types of pointing devices. 

Normally, a letter carries the date that the physician wrote or dictated it, not the date the medical assistant types it

Indicate whether the statement is true or false

Upon which of the following factors is the fire-resistance rating of walls NOT dependent?

A. Type of occupancy B. Type of building construction C. Expected number of occupants D. Presence of automatic sprinkler system