Question

which of the following drugs is a long-acting maintenance anticholinergic dpi? spiriva adrenaline levalbuterol rhinocort

Explanation:

Spiriva (tiotropium bromide) is a long - acting maintenance anticholinergic dry powder inhaler (DPI). Adrenaline is a sympathomimetic (not an anticholinergic), Levalbuterol is a short - acting beta - agonist, and Rhinocort is a corticosteroid.

Answer:

Spiriva