You Are Training Nurses at Your Hospital to Insert Midline

You are training nurses at your hospital to insert midline catheters. What would you teach the nurses about how many inches of the catheter should be inserted into the required site and for how long can it be used?

A) 1 to 3 inches, used for up to 3 weeks
B) 3 to 6 inches, used for up to 4 weeks
C) 7 to 8 inches, used for up to 5 weeks
D) 8 to 9 inches, used for up to 6 weeks