A nurse is reading a journal article about propranolol. Which of the following would the nurse expect to find discussed? Select all that apply
A) Is a class III antiarrhythmic
B) Acts by blocking beta-adrenergic receptors of the heart and kidney
C) Reduces the release of renin
D) Increases excitability of the heart
E) Has membrane-stabilizing effects
Ans: B, C, E
Feedback:
Propranolol (Inderal) is a class II antiarrhythmic that acts by blocking beta-adrenergic receptors of the heart and kidney, reducing the influence of the sympathetic nervous system on these areas, decreasing the excitability of the heart and the release of renin. Propranolol also has membrane-stabilizing effects.
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