Or, provide an easily found settings area to disable toggle selecting all check boxes for defaults.

Basis: E.g., in optical drug therapies (topical eye drops) you will often need to take 2-4 dosages of multiple drugs that need to be staggered 5-15 minutes apart to prevent affecting the prior drug. The goal is to keep the user focused with the app to avoid mistakes, not to "speed things up" so much that 2-5 other medications due are just auto selected away or forcing the user to selectively remove all that didn't just apply. In this example, the end user is applying one at a time.