Which of the Following Pathophysiological Changes Potentially Noted in Patients

question 18

Multiple Choice

Which of the following pathophysiological changes potentially noted in patients with CHF results in the heart becoming insensitive to beta-adrenergic stimulation?

• A)Excessive sympathetic nervous system stimulation
• B)Decreased concentrations of norepinephrine
• C)Decrease in Beta₁-adrenergic receptor density
• D)Deactivation of adenylate cyclase

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