NR 602 Week 2: COPD Case Study Part 2 12 unread replies.4848 replies. Purpose Problem-based learning is a methodology designed to help students develop the reasoning process used in clinical practice through problem solving actual patient problems in the same manner as they occur in practice. The purpose of this activity is to develop students’ clinical reasoning skills using a case-based learning exercise. Through participation in an online discussion forum, students identify learning is...