Exam questionKROK 1Medicine · 2023
Medical examination detected angina pectoris in a patient. The doctor prescribed the patient metoprolol that reduces the strength and frequency of cardiac contractions and, as a result, reduces the myocardial oxygen demand. What is the mechanism of the therapeutic action of this drug?
Answer options
- Blockade of β2-adrenergic receptors
- Blockade of muscarinic acetylcholine receptors
- Stimulation of β1-adrenergic receptors
- Blockade of β1-adrenergic receptors
- Blockade of nicotinic acetylcholine receptors
Correct answer
Blockade of β1-adrenergic receptors
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