Chapter 17 Nervous System Study Guide MULTIPLE CHOICE 1. A cycle of events in which information from one step controls or affects a previous step is a 2. A collection of axons through which impulses travel between the central nervous system and other parts of the body is called a 3. The clear membrane that protects the 4. Long nerve fibers that convey electrical impulses to other cells are called BD4s1.1.1 5. Which of the following is NOT a function of the medulla? 6. A nearly immediate, involuntary response to a stimulus is called a 7. The part of the brain that we use to think and store memories is the 8. In a neuron, impulses move BD4s1.1.1 9. eye and allows light to enter is the BD4s2.3.1 10. Receptors for smell are located on BD4s2 11. If a person’s medulla quit working, he or she would die because Be able to match the following external ear peripheral nervous system somatic nervous system central nervous system sensory neuron eardrum autonomic nervous system semicircular canals cochlea integumentary system brain Be able to identify the following iris lens retina pupil cornea optic nerve BD4s2.3.1