COPD is sometimes referred to as the "silent killer" because its symptoms progress slowly and worsen over time. Many times, people are not diagnosed until the COPD has caused irreversible lung damage. Although COPD cannot be cured, it can be treated and its progression can be slowed. This screening quiz will help you identify any signs and symptoms you may be experiencing, however it is not intended to diagnose any condition. If you have any of signs and symptoms of COPD, you should see your doctor immediately. For more information, go to the COPD site.