Question 2386
{"accessible":false,"alternatives":[{"id":11761,"text":"left anterior descending artery"},{"id":11762,"text":"left circumflex artery"},{"id":11763,"text":"ramus intermediate artery"},{"id":11764,"text":"right coronary artery"}],"archived":false,"correctAlternativeId":11762,"explanation":"\u003cp\u003eThe obtuse marginal branches arise from the left circumflex artery. They are designated in numerical order from proximal to distal (i.e. 1st obtuse marginal branch – OM1; 2nd obtuse marginal branch – OM2; and so on).\u003c/p\u003e","id":2386,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2386","nextQuestionPath":"/articles/circumflex-artery/questions/2051","relatedArticles":[{"id":35317,"title":"Left anterior descending artery","link":"/articles/left-anterior-descending-artery?lang=us"},{"id":24782,"title":"Ramus intermedius artery","link":"/articles/ramus-intermedius-artery?lang=us"},{"id":8882,"title":"Coronary arteries","link":"/articles/coronary-arteries?lang=us"}],"alsoUsedIn":[{"id":1352,"kind":"Course","title":"2022 Virtual Conference Private Use - page 1352","link":"https://radiopaedia.org/courses/2022-virtual-conference-private-use/pages/1352"},{"id":1200,"kind":"Course","title":"2022 Virtual Conference Private Use - page 1200","link":"https://radiopaedia.org/courses/2022-virtual-conference-private-use/pages/1200"},{"id":248,"kind":"LiveSchedule","title":"248","link":"https://radiopaedia.org/admin/live_schedules/248"},{"id":165,"kind":"LiveSchedule","title":"165","link":"https://radiopaedia.org/admin/live_schedules/165"},{"id":1293,"kind":"Course","title":"2022 Virtual Conference Private Use - page 1293","link":"https://radiopaedia.org/courses/2022-virtual-conference-private-use/pages/1293"},{"id":1293,"kind":"Course","title":"Chest Lectures - page 1293","link":"https://radiopaedia.org/courses/chest-lectures/pages/1293"}],"stem":"\u003cp\u003eWhich major epicardial coronary artery do the obtuse marginal branches arise from?\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/2386"}],"attemptsPercentages":[{"alternativeId":"11763","percentage":1},{"alternativeId":"11761","percentage":16},{"alternativeId":"11762","percentage":70},{"alternativeId":"11764","percentage":13}],"promptToLogin":false,"questionManager":false,"articleId":"circumflex-artery"}