All of the following are in the Mouth and Throat section except:

Which designation of fire door would be required for use as part of a fire wall?

A) A B) B C) C D) D

Emphysema is defined as:

a. chronic productive cough. b. conducting airway enlargement. c. destruction of alveolar walls without fi-brosis. d. hemoptysis associated with productive cough and alveolar-capillary membrane destruction.