Answer :
ADH and Na+
Examples:
alcohol inhibits ADH secretion = increased H2O loss
caffeine inhibits Na+ reabsorption = increase H2O loss
diabetes insipidus = decreased/no ADH secretion = increase in H2O loss + increased thirst
Examples:
alcohol inhibits ADH secretion = increased H2O loss
caffeine inhibits Na+ reabsorption = increase H2O loss
diabetes insipidus = decreased/no ADH secretion = increase in H2O loss + increased thirst