Propranolol is
A: effective in the treatment of supraventricular arrhythmias
B: effective in all angina pectoris cases by increasing the O2 supply
C: lowers the blood pressure by reducing the renin synthesis
D: cardioselective and having a partial agonist activity
A: effective in the treatment of supraventricular arrhythmias
B: effective in all angina pectoris cases by increasing the O2 supply
C: lowers the blood pressure by reducing the renin synthesis
D: cardioselective and having a partial agonist activity
举一反三
- Under normal circumstances, the effective stimulus to maintain the excitability of the respiratory center is increasing of CO2 partial pressure in arterial blood.
- Under normal circumstances, the effective stimulus to maintain the excitability of the respiratory center is increasing of CO2 partial pressure in arterial blood. A: 正确 B: 错误
- Angina pectoris, tachycardia, and arrhythmias are possible adverse effects of which of the following agonists? A: α2-agonist B: α1-agonist C: β3-agonist D: β1-agonist
- Which the following statement about the change of blood pressure is<br/>wrong() A: Clip the side of the common carotid artery, and cause to raise blood<br/>pressure B: Arterial blood pressure is elevated when the sympathetic nerve is<br/>excited C: Vagus nerve inhibits heart activity and lowers arterial blood<br/>pressure D: The excitation of vagus nerve enhances heart activity and arterial<br/>blood pressure elevated E: Intravenous epinephrine, blood pressure rise
- It is an ________ treatment and could cure all the COVID-19 sufferers. A: useful B: careful C: effective D: active