Note: These final exercises are optional. You do not have
to do them. They are included here for you to do to help you get an increased understanding and ability to apply the materials of the course.
Look around the place where you live or work and find examples of drugs or toxins. For instance, look at the labels of any products that may be in a medicine cabinet, or food labels, etc. Do this until you can easily recognize examples of drugs and toxins in your surroundings.