An inhaler used to treat airway constriction in asthma or allergy might contain a drug that
A) activates fi1 adrenergic receptors.
B) activates fi2 adrenergic receptors.
C) blocks muscarinic cholinergic receptors.
D) A or B
E) B or C

Question

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The Answer of An inhaler used to treat airway constriction in asthma or allergy might contain a drug that
A) activates fi1 adrenergic receptors.
B) activates fi2 adrenergic receptors.
C) blocks muscarinic cholinergic receptors.
D) A or B
E) B or C

An Inhaler Used to Treat Airway Constriction in Asthma or Allergy