Question 2665
{"accessible":true,"alternatives":[{"id":13046,"text":"cochlea"},{"id":13047,"text":"lateral semicircular canal"},{"id":13048,"text":"oval window"},{"id":13049,"text":"vestibule"}],"archived":false,"correctAlternativeId":13049,"explanation":"\u003cp\u003eThe inner ear is responsible for balance and hearing. It is divided into three components: vestibule, cochlea, and three semicircular canals.\u003c/p\u003e\u003cp\u003eThe vestibule is indicated by the black arrow and contiguous anteriorly with the cochlea and posteriorly with the semicircular canals. Conversely, the lateral semicircular canal is better seen on a more superior axial image, the oval window with the stapes is at the medial aspect of the vestibule and the cochlea is anterior to the vestibule\u003c/p\u003e","id":2665,"imageUrl":"https://prod-images-static.radiopaedia.org/multiple_choice_questions/1040/MCQs_Hoang_Q1_big_gallery.jpeg","imageAttribution":{"kind":"external","attribution":"Jenny Hoang"},"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2665","nextQuestionPath":null,"relatedArticles":[{"id":36830,"title":"Cochlea","link":"/articles/cochlea?lang=gb"},{"id":59900,"title":"Oval window","link":"/articles/oval-window?lang=gb"},{"id":42094,"title":"Semicircular canals","link":"/articles/semicircular-canals?lang=gb"}],"alsoUsedIn":[{"id":267,"kind":"LiveSchedule","title":"267","link":"https://radiopaedia.org/admin/live_schedules/267"},{"id":1719,"kind":"Course","title":"2023 Virtual Conference Private Use - page 1719","link":"https://radiopaedia.org/courses/2023-virtual-conference-private-use/pages/1719"},{"id":365,"kind":"LiveSchedule","title":"365","link":"https://radiopaedia.org/admin/live_schedules/365"},{"id":270,"kind":"LiveSchedule","title":"270","link":"https://radiopaedia.org/admin/live_schedules/270"},{"id":1472,"kind":"Course","title":"2023 Virtual Conference Private Use - page 1472","link":"https://radiopaedia.org/courses/2023-virtual-conference-private-use/pages/1472"},{"id":1472,"kind":"Course","title":"Head \u0026 Neck Lectures - page 1472","link":"https://radiopaedia.org/courses/head-neck-lectures/pages/1472"}],"stem":"\u003cp\u003eWhat is the structure indicated by the arrow on this axial temporal bone CT image? \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/2665"}],"attemptsPercentages":[{"alternativeId":"13048","percentage":39},{"alternativeId":"13046","percentage":4},{"alternativeId":"13049","percentage":51},{"alternativeId":"13047","percentage":7}],"promptToLogin":false,"questionManager":false,"articleId":"vestibule-ear"}