A patient suffering from asthma has difficulty breathing and is treated with albuterol and ipratropium, drugs that relax bronchiolar smooth muscles. Ipratropium acts as a(n)
A) cholinergic receptor antagonist
B) cholinergic receptor antagonist.
C) adrenergic receptor antagonist
D) adrenergic receptor agonist
E) inhibitor of kinase phosphorylases

Question

Quizplus · Accepted Answer

Ipratropium is an anticholinergic drug that acts by blocking acetylcholine receptors, thus reducing bronchoconstriction and increasing airflow. Albuterol, on the other hand, is a beta-2 adrenergic receptor agonist that relaxes the smooth muscles of the bronchioles by increasing cAMP levels.

A Patient Suffering from Asthma Has Difficulty Breathing and Is