A client is being treated for pulmonary hypertension. The nurse knows that the involvement of nursing, pharmacy, cardiology, physical therapy, and nutritional services is an example of which of the following approaches?

Number 4 is correct.

Rationale: An interdisciplinary approach involves members from differing disciplines that are involved in attaining a common client outcome. Continuity of care, case management, and quality improvement are not related to the interdisciplinary approach.