An Inhaler Used to Treat Airway Constriction in Asthma or Allergy

question 86

Multiple Choice

An inhaler used to treat airway constriction in asthma or allergy might contain a drug that

• A)activates β1 adrenergic receptors.
• B)activates β2 adrenergic receptors.
• C)blocks muscarinic cholinergic receptors.
• D)activates β1 or β2 adrenergic receptors.
• E)activates β2 adrenergic receptors or blocks muscarinic cholinergic receptors.

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