Question 616
{"accessible":true,"alternatives":[{"id":3088,"text":"anode"},{"id":3089,"text":"expansion bellows"},{"id":3090,"text":"cathode"},{"id":3091,"text":"tube envelope"},{"id":3092,"text":"tube housing"},{"id":3093,"text":"rotor"}],"archived":false,"correctAlternativeId":3088,"explanation":"\u003cp\u003eThe X-ray tube contains two principal elements:\u003c/p\u003e\u003col\u003e\n\u003cli\u003e\n\u003ca href=\"https://radiopaedia.org/articles/cathode-1\"\u003ecathode\u003c/a\u003e: provides a source of electrons\u003c/li\u003e\n\u003cli\u003e\n\u003ca href=\"https://radiopaedia.org/articles/anode-1\"\u003eanode\u003c/a\u003e: acts as the target for electrons and releases x-rays\u003c/li\u003e\n\u003c/ol\u003e\u003cp\u003eAdditional components include:\u003c/p\u003e\u003cul\u003e\n\u003cli\u003eexpansion bellows (provide space for oil to expand)\u003c/li\u003e\n\u003cli\u003etube envelope (evacuated)\u003c/li\u003e\n\u003cli\u003etube housing\u003c/li\u003e\n\u003cli\u003ecooling dielectric oil\u003c/li\u003e\n\u003cli\u003erotor\u003c/li\u003e\n\u003cli\u003einduction stator\u003c/li\u003e\n\u003cli\u003etube window\u003c/li\u003e\n\u003c/ul\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e","id":616,"imageUrl":"https://prod-images-static.radiopaedia.org/images/177008/f5a392c3a7447a633a9a5b6ab2d6c5_big_gallery.jpeg","imageAttribution":{"kind":"case","rID":8185},"imageAttributionCaseInfo":{"title":"X-ray tube: diagram","contributor_name":"Frank Gaillard","contributor_param":"frank","case_rid":8185,"case_param":"x-ray-tube-diagram-2"},"firstQuestionPath":"/questions/2737","nextQuestionPath":null,"relatedArticles":[{"id":8180,"title":"Cathode (x-ray tube)","link":"/articles/cathode-x-ray-tube?lang=us"},{"id":8177,"title":"X-ray tube","link":"/articles/x-ray-tube-1?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eWhat part of the x-ray tube is labeled A?\u0026nbsp;\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/616"}],"attemptsPercentages":[{"alternativeId":"3093","percentage":2},{"alternativeId":"3091","percentage":3},{"alternativeId":"3090","percentage":7},{"alternativeId":"3089","percentage":1},{"alternativeId":"3092","percentage":1},{"alternativeId":"3088","percentage":86}],"promptToLogin":false,"questionManager":false,"articleId":"anode-x-ray-tube"}