is a directly acting vasodilator, but is not used alone as an antihypertensive because:

Related MCQs

• Used alone the following antihypertensive drug tends to increase cardiac work and can precipitate angina:
• The most likely mechanism of antihypertensive action of thiazide diuretics in the long-term is:
• The following vasodilator(s) act(s) by opening K+ channels in the vascular smooth muscle:
• Diuretics acting on the ascending limb of loop of Henle are the most efficacious in promoting salt and water excretion because:
• The short acting dihydropyridine preparations can aggravate myocardial ischaemia by invoking:
• Though nitrates and calcium channel blockers are both vasodilators, they are used concurrently in angina pectoris, because:
• Select the most appropriate hypolipidemic drug for a patient with raised LDL-cholesterol level but normal triglyceride level:
• The following drug is used to reduce the frequency of angina pectoris as well as to terminate an acute attack:
• Quinidine is now used primarily for:
• Glyceryl trinitrate is used in CHF for: