Thank you for the suggestion. We do ask, and require, that an MCAT-specific source citation be included with any and all content-related suggestions, in order to streamline the process of suggestions and deck maintenance. More information can be found here: AnKing MCAT Deck Submission Guidelines
I’m also fairly certain that aldosterone does not respond directly to sodium, FWIW. But, in any case, need source citation.
Please let me know if you have any other questions. 