<prompt> Hypertrophic pyloric stanosis causesHyperkalemic metabolic alkosisHyperkalemic metabloic acidosisHyperkalemic metabolic alkalosis with paradoxical aciduriaHypokalemic metabolic alkalosis with paradoxical aciduria  <response>: In Hypertrophic pyloric stenosis dehydration causes hypokalemic, hypochloremic metabolic alkalosis with paradoxical aciduria. 