Which of the Following Educational Topics Covered in a Typical

Which of the following educational topics covered in a typical pulmonary rehabilitation program are most suitable for presentation by a respiratory care practitioner?
1) Methods of relaxation and stress management
2) Recreation and vocational counseling
3) Diaphragmatic and pursed-lip breathing techniques
4) Respiratory structure, function, and disease

A) 2 and 4 only
B) 1, 2, and 3 only
C) 3 and 4 only
D) 1, 2, 3, and 4