<prompt> Maximum potassium ions secretion is seen in:SalivaGastric secretionsJejunal secretionsColonic secretions  <response>: Colonic secretions Ret Harrison I6e p418 Table 63-4 Enteric Fluid Volumes and Their Electrolyte Content Ld Na K CI HCO3 Saliva 1-2 10 30 10 30 Gastric juice 2 60 9 90 0 Bile 2-3 150 10 90 70 Small intestine 1 100 5 100 20 Colon variable 40 100 15 60 