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

Brief Explanations:

Spiriva (tiotropium bromide) is a long - acting maintenance anticholinergic dry powder inhaler (DPI) used for chronic obstructive pulmonary disease (COPD) and asthma. Adrenaline is a short - acting bronchodilator and vasoconstrictor, Levalbuterol is a short - acting beta - agonist, and Rhinocort is a corticosteroid (not an anticholinergic).

Answer:

Spiriva