The Nurse Caring for a Patient Recently Diagnosed with Lung

The nurse caring for a patient recently diagnosed with lung disease encourages the patient not to smoke. What is the primary rationale behind this nursing action?

A) Smoking decreases the amount of mucus production.
B) Smoke particles compete for binding sites on hemoglobin.
C) Smoking causes atrophy of the alveoli.
D) Smoking damages the ciliary cleansing mechanism.