I've gathered the questions that are about the immune system from Jan and Jun 2017-18 Regents and put them on 4 pages. In this way, you don't have to look through the exams and cut and paste by yourself. There are a total of 12 questions, including some multiple choices and some short responses.
You can either use it as a review, a quiz or an assignment for your immune system unit. The answer key is also included.