Quiz #4

This quiz consists of five multiple-choice questions. The purpose of the quiz is to test your comprehension and retention of the course materials. The answers to all of the questions are in the course materials. If you have read the course materials, the quiz should take less than 10 minutes.  There is no time limit on the quiz, so if you don't know the answer to one of the questions, you can go back to the course materials and find it. You can only take the quiz once, so make sure you are confident of your answers when you submit it.