Propranolol (普萘洛尔) belongs to A: α receptor antagonist B: α receptor agonist C: β receptor antagonist D: β receptor agonist

Propranolol is a A: M3 receptor agonist B: α receptor agonist C: β receptor antagonist D: α receptor antagonist E: NM receptor antagonist

A drug combine with the receptors and show its effects, the drug is called A: partial agonist B: agonist C: noncompetitive antagonist D: competitive antagonist E: blocker

The concentration or dose at which drugs produce equivalent effects is called A: efficacy B: potency C: excitation D: inhibition E: agonist

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 65-year-old woman is noted to have suspected uterine fibroids on physical examination. Over the course of 1 year, she is noted to have enlargement of her uterus from approximately 12 weeks’ size to 20 weeks’ size. Which of the following is the best management? () A: Continued careful observation B: Monitoring with ultrasound examinations C: Exploratory laparotomy with hysterectomy D: Gonadotropin-releasing hormone agonist E: Progestin therapy