Which of the following physiological changes is considered a negative effect of a prescribed nonselective beta-blocker to decrease myocardial oxygen demand?

Question

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Drugs that block both beta₁ and beta₂ receptors are referred to as nonselective.In the case of a patient with disease processes involving the sites of beta₂ receptors (asthma),the use of a nonselective beta-blocker would not only decrease myocardial oxygen cost by decreasing heart rate and blood pressure,but also have the unfortunate effect of enhancing bronchospasm.

Which of the Following Physiological Changes Is Considered a Negative