Which statement is true regarding the Indiana Board of Pharmacy?

The statement that the board must adopt rules for competent pharmacy practice is true. This requirement ensures that the board establishes regulations and standards that govern the practice of pharmacy, safeguarding public health and ensuring that pharmacists adhere to professional practice standards. The Indiana Board of Pharmacy is responsible for overseeing the practice of pharmacy within the state and has the authority to create and enforce rules that reflect the evolving nature of pharmacy practice, thereby ensuring that pharmacists remain competent in their professional roles.

In the context of other options, it's essential to understand that while it is often the case that boards consist of a certain number of members from specific backgrounds, the requirement for rules regarding competent pharmacy practice stands as a foundational responsibility of the board, directly tied to its purpose of protecting public health.