What is the main obstacle of performing angioscopy?

Emergency care procedures for injured lower extremities include:

A) consulting a physician. B) placing dislocated joints back into place. C) using a sling or swathe. D) applying a rigid or soft splint.

____ is generally a disease of the old and cigarette smokers.

A. Asthma B. Emphysema C. COPD D. Bronchitis