The pressure applied during the progressive pressure technique should be:

a. between 8 and 9 but not past 10 on a discomfort rating scale of 1-10.
b. between 6 and 8 but not past 9 on a discomfort rating scale of 1-10.
c. between 2 and 4 but not past 6 on a discomfort rating scale of 1-10 .
d. None of the above

c