A fifth of the test is "Arbeitsstil", and PMU says little more about it than its weight. Its application page describes the test as tasks in "Logik, Persönlichkeit und naturwissenschaftlichem Wissen", and its Durchführungsverordnung lists among the test's parts "Stress- und Belastbarkeit" (stress tolerance and resilience) beside the sciences, cognitive abilities and English. So expect questions about how you work, and possibly tasks that put you under time pressure, rather than questions with a right answer to learn.
That is why this page has no scored questions for it: inventing a key for a personality-style section would teach the wrong thing. What helps is understanding the section and then answering honestly and consistently. Read each statement exactly as written, answer for how you actually work rather than for an ideal doctor, and do not try to guess a 'wanted' profile: such sections are designed so that a manufactured picture shows up as inconsistent.
The preparation that does pay off is indirect. Arrive rested, because the work-style part comes in a test of about 3.5 hours; practise the cognitive sets above under time pressure, so that pressure itself is familiar; and read the description PMU sends with your booking, which is the only official account of the format.