Quillivant XR is an oral suspension (a liquid). It contains about 20 percent immediate release and 80 percent extended-release methylphenidate. After a dose is taken, the medicine begins to work in about 45 minutes and continues working for up to 12 hours.
There are a total of 36 questions on Californiaâs written knowledge test. You must answer a minimum of 30 questions to pass the test. To prepare for the written test, you should study the California Driverâs Manual. You should also take multiple practice exams â this is a good way to determine your knowledge level and identify any weak areas.
Pass a traffic laws and sign test. You must get at least 38 questions right out of 46. You will have 3 chances to take the test, but if you fail a test you must wait 7 days before taking the test again. If you fail the test all 3 times, you must start over by filling out a new DL 44.