Notice any muscular tensions. You can answer these questions correctly, if you are willing to think through them carefully. Do the same with the more quantitative ideas in the book and in class. Exam anxiety will decrease if you follow the advice about exam-taking. On exams, focus on one question at a time.
Relaxed awareness can overcome anxiety.
Practice exams can improve your exam-taking abilities. Write out your best brief explanations of those 10 topics. Notice your body. When you finish, compare your answers with your notes and with the book. You are responsible only to yourself for your performance in this course.