7th Grade Infectious & Non-Infectious Study Guide 1. Define an infectious disease. 2. Explain how to prevent contracting an infectious disease. 3. Define a non-infectious disease. 4. Explain how to prevent contracting a non-infectious disease. 5. Define an STD. 6. What is a carrier? 7. What are the consequences of chlamydia? 8. What is the difference between a virus and bacteria? 9. Be able to recognize three bacterial STDs. 10. Be able to recognize three viral STDs. 11. Explain the role of the macrophage in the immune system. 12. Explain the role of the killer T cell. 13. What is a pathogen? 14. What is the leading cause of death in the United States and how do we prevent it? 15. Explain how the immune system fights off a bacterial infection. 16. What is a vaccine? 17. Name the risk factors that you cannot control and the lifestyle choices you can control. 18. Explain why it is important to receive check-ups from your doctor? 19. What is the role of skin? 20. Viral disease of the upper respiratory system is… 21. Bacterial disease of the lungs…. 22. What is the only 100% method of preventing an STD? 23. How is HIV spread? 24. Why is the STD epidemic so serious? 25. What increases the risk of contracting an STD? 26. What happens to the helper T cells when a persons is infected with HIV? 27. What does malignant mean? 28. What is a tumor? 29. What is the difference between type 1 and type 2 diabetes? 30. What is chemotherapy? 31. What is sexual abstinence? 32. Why is sexual abstinence the best choice for teens? 33. What part of the world is HIV/AIDS heavily found?