A patient with a history of asthma is prescribed a medication that relaxes smooth muscle in the airways. Which receptor subtype is most likely activated?
Q1. A patient with a history of asthma is prescribed a medication that relaxes smooth muscle in the airways. Which receptor subtype is most likely activated?
Answer: β2-adrenergic receptors in the lungs
Explanation: β2-adrenergic receptors in the lungs are the primary target for bronchodilators, which relax smooth muscle and improve airflow.