智慧职教: The prefix "brady" in the word "bradycardia"means

Which of the following is not the indication of calcium channel blockers? A: angina B: hypertension C: bronchial asthma D: bradycardia E: migraine headache

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