If for some reason the parietal cells of the gastric epithelium become partially non-functional, what is likely to happen?
(1) The pancreatic enzymes and specially the trypsin and lipase will not work efficiently
(2) The pH of stomach will fall abruptly
(3) Steapsin be more effective
(4) Proteins will not be adequately hydrolysed by pepsin into proteoses and peptones