One of the selective α1-receptor blockers is A: clodinine B: prazosin C: phentolamine D: α-methyldopa E: tolazoline

抗高血压药物中，nifedipine属于（）药；prazosin属于（）药；captopril属于（）药。

能引起体位性低血压的药物是： A: Hydrochlorothiazide B: Prazosin C: Guanethidine D: Methyldopa E: Nifedipine

Mechanism of action: prazosin ()( ) A: alpha-1 receptor blocker B: beta receptor blocker C: phosphodiesterase inhibitor D: calcium channel blocker

Prazosin can selectively block ( ). A: D1 receptors B: α1 adrenoceptors C: α2 adrenoceptors D: β1 adrenoceptors E: β2 adrenoceptors

能引起体位性低血压的药物是： 未知类型：{'options': ['Prazosin', 'Guanelhidine', '[tex=0.643x0.786]SPoVA3bJlgfP9Ek9O4AbuA==[/tex]-Methyldopa', 'Hydrochlorothiazide', 'Nifedipine'], 'type': 102}

Prazosin A: is a selective reversible a1 receptor antagonist B: Doesnotadverselyaffectblood lipid (cholesterol) levels C: is associated with first-dose hypotension D: is also used for Enlargement of the prostate gland in men

Tachycardia is more common observed in phentolamine than prazosin because the former A: has some M-agonist action B: has some β1-agonist action C: blocks postsynaptic α₂-receptors D: blocks presynaptic α₂-receptors E: stimulates heart directly

Both phentolamine and prazosin A: are competitive antagonist at α1 adrenergic receptors B: have potent direct vasoconstrictor actions on vascular smooth muscle C: enhance gastric acid secretion through a histamine -like effect D: cause hypotension and bradycardia E: are used chronically for the treatment of primary hypertension

Which one of the sentence is INCORRECT for Prazosin? A: It is a selective α1 adrenoceptor blocker. B: It blocks presynaptic α2 adrenoceptors to increase release of noradrenaline. C: It has first dose of effect, showing postural hypotension. D: It dilates resistance and capacitance vessels. E: It can decrease the blood cholesterol concentrations.