The prefix meaning 'lung' is

• A. Fistul-
• B. Alveol-
• C. Oment-
• D. Pulmo-

Answer: (D)

In medical terminology, the part of a term that indicates a body part comes from a combining form that names that part. The lung is indicated by pulmo- (the form used to mean lung). You’ll see it in words like pulmonary or pulmonology, where the root signals the lung as the organ involved.

Fistul- refers to a fistula, an abnormal connection; alveol- relates to the alveolus, the small air sacs in the lungs; and oment- comes from the omentum, the fatty fold in the abdomen. These roots point to different structures, not the lung, which is why pulmo- is the correct prefix.