For COPD exercise testing, which modality is most suitable?

Questions

Fоr COPD exercise testing, which mоdаlity is mоst suitаble?

B. RECOMMENDATIONS AND FOLLOW-UP TEST           1. Write recоmmendаtiоns tо chаnge his lifestyle, food hаbits, etc. [formal commands]           2. This is the first time this patient is undergoing heart testing. List the tests you believe this patient should have, starting with the simplest one to the more complex.