physical therapist

Q: I am a Muslim (guy) college student. If I study to become a Physical therapist for the sake/pleasure of Allah:

a.) Will Allah accept it?

b.) Does my going everyday to school become a worship (Ammal)?

c.) Does my studying of major subjects,exams,quizzes day and night become a worship?

d.) Can this become a source to gain the pleasure of Allah? And also can this act be included as one of the good deeds that can make me enter Jannah?