My eldest child is double majoring in psychology and studio art, with a neuroscience minor. Knocking out chemistry, statistics, and neuroanatomical dissection, in addition to fine art, wheel-throwing, sculpture, gender studies, while working as a respite caregiver for individuals with special needs. I think that would be an awesome basis to apply for PT school! I find DPT students who come from a more unique background are fascinating and bring interesting perspectives into their clinical internship work with me. And make more interesting clinicians! If we all majored in exercise physiology, I think our profession would be less interesting!
So study what excites you! Just make sure those pre-reqs get done. Oh, and if you have the time and energy, add a new language or two! I am in Chicago and the most popular languages requested are Polish, Spanish, Arabic, and ASL.