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Unformatted text preview: symptoms: A. Furosemide B. Digitoxin C. Atenolol D. Atropin E. Captopril D) The symptoms are consistent with the actions a a muscarinic parasympatholytic drug 4) Would furosemide increase of decrease the effects of digoxin? Increase: Diuretics cause a loss of potassium, resulting in lower potassium concentrations. Potassium competes with digoxin for binding the the Na+/K+ antiporter system => reduced K+ means less competition => increased effect of digoxin. 5) A patient starts treatment with probenecid for his gout, however, his condition seems to worsen rather than improve. What is a likely cause for this problem? Uricosuric agents at sub therapeutic concentrations inhibit excretion as well as reabsorption of uric acid. At therapeutic levels, inhibition of reabsorption dominates over inhibition of excretion....
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- Winter '09