El documento describe los fundamentos de la educaci坦n superior a distancia. Identifica cuatro elementos clave de esta modalidad educativa: v鱈as de comunicaci坦n bidireccionales, uso de m炭ltiples medios tecnol坦gicos, enfoque centrado en el estudiante y comunicaci坦n no directa. Tambi辿n explica las ventajas de flexibilidad, eficacia y econom鱈a de la educaci坦n a distancia. Finalmente, analiza las similitudes y diferencias entre las submodalidades semipresencial y no presencial virtual.
The document summarizes Lee Clow's reflections on the iconic 1984 Apple "1984" commercial. Clow explains that Steve Jobs believed in advertising and marketing even though Apple's existing products were "boring beige boxes." The commercial featured a sledgehammer-wielding woman destroying a Big Brother-like figure, representing Apple breaking IBM's dominance. Though only aired twice, it won the Grand Prix at Cannes Lions in 1984 and has continued winning industry praise for TBWA\Chiat\Day since by changing the landscape of advertising.
The document discusses different classes of diuretic drugs, including their mechanisms and effects. It describes loop diuretics like furosemide that inhibit sodium chloride reabsorption in the thick ascending limb of Henle's loop, increasing excretion of sodium and chloride in urine. It also discusses thiazide diuretics that act in the early distal tubule by inhibiting carbonic anhydrase and enhancing excretion of magnesium and potassium while inhibiting calcium and uric acid excretion. Finally, it mentions osmotic diuretics like mannitol that cause water retention in the proximal tubule through osmotic effects, resulting in water diuresis.