（酚妥拉明）Phentolamine的临床应用有、___________、___________等。

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

Which could be usually combined with local anaesthetics? ( ) A: Phentolamine B: Norepinephrine C: Adrenaline D: Acetylcholine

Phentolamine can most likely be used to treat A: Peripheral arterial spasm B: Angina pectoris C: Arrhythmia D: Hypertension

下列哪个药物不适于治疗慢性心功能不全： A: Isoprenaline B: Phentolamine C: Sodium nitroprusside D: Captopril E: Digoxin

Phentolamine<br/>may increase heart rate by targeting____. A: presynapticα2-adrenoceptors B: postsynapticα2-adrenoceptors C: cardiacβ-adrenoceptors D: cardiacα1-adrenoceptors E: vascularα1-adrenoceptors

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