________ are foreign substances, usually proteins, that can evoke an allergic response

Heparin is not measured in milligrams but in:

A. international units B. micrograms C. grains D. cubic centimeters

Mr. Bonaparte underwent bronchoscopy with transbronchial biopsy of the lung. Report code(s) _____

a. 31628, 76000 b. 31622 c. 31622, 76000 d. 31628