meenaxi
AIPPG Experienced Senior Member
Joined: 21 Feb 2009
Posts: 1637
74606 Credits
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 Posted: Tue Nov 03, 2009 1:17 pm Post subject: After taking an overdose of propranolol, a 35-year-old woman |
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After taking an overdose of propranolol, a 35-year-old woman develops sinus bradycardia and syncope. In order to stimulate the same second messenger system that is activated by β-adrenergic receptors, which of the following drugs will be most effective to increase her heart rate?
A ) ADH (vasopressin)
B ) Atrial natriuretic peptide
C ) Clonidine
D ) Glucagon
E ) Phenylephrine
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