Question 753
{"accessible":false,"alternatives":[{"id":3819,"text":"\u003c5"},{"id":3820,"text":"10"},{"id":3821,"text":"15"},{"id":3822,"text":"20"},{"id":3823,"text":"25"}],"archived":false,"correctAlternativeId":3819,"explanation":"\u003cp\u003eThe exact figure will vary between the settings used, fluoroscopy x-ray machines, and institutions. With the advent of new technology, the time required to record the annual maximum permissible whole body dose may increase slightly. Nevertheless, it would not take very long to reach the effective dose limit of 20 mSv per year.\u003c/p\u003e\u003cp\u003eAdapted from\u0026nbsp;\u003ca href=\"https://en.wikibooks.org/wiki/Basic_Physics_of_Digital_Radiography\"\u003eBasic Physics of Digital Radiography\u003c/a\u003e\u0026nbsp;by\u0026nbsp;Kieran Maher,\u0026nbsp;with author's permission (License:\u0026nbsp;\u003ca href=\"https://creativecommons.org/licenses/by-sa/3.0/\"\u003eCreative Commons\u0026nbsp;BY-SA 3.0\u003c/a\u003e).\u003c/p\u003e","id":753,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1505","nextQuestionPath":"/articles/dose-limits/questions/749","relatedArticles":[{"id":5101,"title":"Effective dose","link":"/articles/effective-dose?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eAn occupationally exposed person undergoing fluoroscopy of their abdomen has inadvertently left their personnel dosimeter on in such a way that it is at the point of entry of the primary beam. It would take how many minutes of screening time for the dosimeter to record his annual maximum permissible whole body dose?\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/753"}],"attemptsPercentages":[{"alternativeId":"3822","percentage":12},{"alternativeId":"3819","percentage":58},{"alternativeId":"3821","percentage":11},{"alternativeId":"3820","percentage":16},{"alternativeId":"3823","percentage":4}],"promptToLogin":false,"questionManager":false,"articleId":"dose-limits"}