12. A patient with chronic obstructive pulmonary disease (COPD) is using an inhaled anticholinergic (e.g., tiotropium). Medicinally, what is the primary mechanism of action of this drug?
A.
Relaxing bronchial smooth muscle by stimulating ?2? receptors.
B.
Blocking muscarinic receptors in the airways, preventing bronchoconstriction.
✓
C.
Inhibiting leukotriene synthesis.
D.
Suppressing inflammation in the airways.
📖 Additional Information
Relaxing bronchial smooth muscle by stimulating ?2? receptors.
Blocking muscarinic receptors in the airways, preventing bronchoconstriction.
