<prompt> Following is true about furosemide -It is given only by IV routeIt causes mild diuresisIt is used in pulmonary edemaActs on PCT  <response>: Ans. is c i.e., It is used in pulmonary edema o Intravenous administration of furosemide produces prompt relief in acute pulmonary edema and acute hea failure Acute LVF. o It is due to vasodilators venous dilatation action and not due to diuretic action in contrast with chronic hea failure, where the symptomatic relieve is due to diuretic action. o IV furosemide causes prompt increase in systemic venous capictance and decreases left ventricular filling pressure preload even before the diuretic action becomes apperent. About other options Furosemide can be given i.m. also. It has maximum diuretic action more than other classes of diuretic. It acts on thick ascending limb of loop of Henle. 