A Patient in Heart Failure Is Given a Drug That

question 48

Multiple Choice

A patient in heart failure is given a drug that is classified as a beta₁-adrenergic agonist.The drug

• A) blocks the beta1-adrenergic receptors and causes a (-) chronotropic and (-) inotropic effect.
• B) activates the beta1-adrenergic receptors and causes bronchoconstriction.
• C) activates the beta1-adrenergic receptors and causes a (+) inotropic effect.
• D) activates the vagus nerve, thereby slowing heart rate and strengthening myocardial contraction.

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