Question 1959
{"accessible":false,"alternatives":[{"id":9749,"text":"alpha-1 antitrypsin deficiency"},{"id":9750,"text":"cigarette smoking"},{"id":9751,"text":"cystic fibrosis"},{"id":9752,"text":"immune deficiency syndromes"},{"id":9753,"text":"intravenous drug use"}],"archived":false,"correctAlternativeId":9750,"explanation":"\u003cp\u003eCigarette smoking is the most common cause of the\u0026nbsp;chronic obstructive pulmonary disease (COPD).\u003c/p\u003e\u003cp\u003eFor more details, please see\u0026nbsp;the article: \u003ca href=\"/articles/chronic-obstructive-pulmonary-disease-1\"\u003echronic obstructive pulmonary disease (COPD)\u003c/a\u003e.\u003c/p\u003e","id":1959,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1959","nextQuestionPath":null,"relatedArticles":[],"alsoUsedIn":[],"stem":"\u003cp\u003eWhat is the most common cause of chronic obstructive pulmonary disease (COPD)?\u003c/p\u003e","menuLinks":[{"text":"Report problem with question","url":"https://docs.google.com/forms/d/e/1FAIpQLSfO3soWYhOjJ7yErSysyCe5V4A1CqW7WK3rDA7MtAkecMGqNw/viewform?entry.1624461248\u0026entry.553583435=https://radiopaedia.org/questions/1959"}],"attemptsPercentages":[{"alternativeId":"9751","percentage":3},{"alternativeId":"9750","percentage":97},{"alternativeId":"9749","percentage":0},{"alternativeId":"9752","percentage":0},{"alternativeId":"9753","percentage":0}],"promptToLogin":false,"questionManager":false,"articleId":"chronic-obstructive-pulmonary-disease"}