Answer to Question 1
ANS: D
In 2010, COPD caused 715,000 hospitalizations (which accounted for 1.9 of all hospitaliza-tions in the United States), and, in 2010, COPD resulted in a total health expenditure of 49.9 billion. In this regard, COPD is a problem that is a frequent challenge for the respiratory clinician.
Answer to Question 2
ANS: A
COPD is now the third leading cause of death in the United States, accounting for an estimated 145,075 (or approximately 4 of all) deaths in 2008.