This is from the ABPTS website:
There are 200 questions on the exam. The 7-hour testing session consists of an online tutorial (up to 5 minutes), four 1 ½ -hour test periods, optional breaks after each section (up to 10 minutes after section 1, up to 30 minutes after section 2, and up to10 minutes after section 3), and a post-test survey if time is available within testing sessions.