A client with bronchial asthma (reactive airway disease) can be expected to be relieved by the administration of a drug that stimulates which of the following receptors?
a. beta-2 c. alpha-2
b. beta-1 d. alpha-1
ANS: A
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A Correct: Beta-2 receptors are located primarily in bronchial smooth muscle and will cause bronchial dilation when stimulated.
B Incorrect: Beta-1 receptors are located primarily in the heart.
C Incorrect: These receptors are the synaptic neurotransmitter controllers.
D Incorrect: If these receptors are stimulated, they will increase blood pressure.
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