ANSWER: a)
DESCRIPTION
Nifedipine is a dihydropyridine calcium channel blocker, it
causes dilatation of vessels and hence decreases the blood pressure. It interferes
with the calcium ions transport inside the membrane in regulating blood
pressure. Unlike Verapamil, it is given with Atenolol which is selective beta 1
receptor blocker. Verapamil is L-type calcium channel blocker of the phenylalkylamine
class. Nifedipine is available by the
brand name of Adalat.
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