The nominal interest is 12% per year, so the nominal. interest rate per 6 mo is 6%. The effective interest rate. per 6 mo. is also 6% since the compounding period. equals to the interest rate period (6 mo.). Chapter 4 Nominal and Effective Interest. Rates 20.
How COPD Is Treated. Once COPD has been diagnosed, you and your doctor can select the best treatment options to manage your COPD. These may include medications, rehabilitation or surgery that may improve your quality of life.
COPD can cause coughing that produces large amounts of mucus (a slimy substance), wheezing, shortness of breath, chest tightness, and other symptoms. Cigarette smoking is the leading cause of COPD. Most people who have COPD smoke or used to smoke. Long-term exposure to other lung irritantsâsuch as air pollution, chemical fumes, or dustâalso may contribute to COPD.