Which of the following terms BEST describes the area where a hazardous material is located?

The option for scheduling that schedules four patients at intervals during the first half hour, leaving the second half of the hour unscheduled to allow for catching up before the next hour begins is called _______________ scheduling. 

Fill in the blank(s) with the appropriate word(s).

When correcting erroneous information in a paper health record, which of the following is appropriate?

A) Print "addendum" above the entry B) Backdate to the date that the addendum covers C) Add the reason for the change D) Use a black pen to obliterate the entry