All of the following statement are true regarding centriacinar emphysema, except:: (A) Most common type of emphysema, (B) Respiratory bronchiole are affected and distal alveoli are spared, (C) Common and more severe in lower lobes, (D) Associated with smoking
Answer is C. Centri-acinar Emphysema C's Commonest type of emphysema Central poion of acinus involved. Cigarette smoking It is common and more severe in UPPER lobe