Question 628
{"accessible":false,"alternatives":[{"id":3145,"text":"10 mSv"},{"id":3146,"text":"20 mSv\r\n"},{"id":3147,"text":"30 mSv"},{"id":3148,"text":"40 mSv"},{"id":3149,"text":"50 mSv"}],"archived":false,"correctAlternativeId":3146,"explanation":"\u003cp\u003eThe dose limits for occupationally exposed workers\u0026nbsp;recommended by the International Commission on Radiological Protection (ICRP) are an effective dose of 20 mSv a year, averaged over defined periods of 5 years with no single year \u0026gt; 50 mSv.\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":628,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/805","nextQuestionPath":null,"relatedArticles":[{"id":5098,"title":"Equivalent dose","link":"/articles/equivalent-dose?lang=us"},{"id":52566,"title":"Radiation protection","link":"/articles/radiation-protection?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eThe annual effective dose limit for occupationally exposed workers is...\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/628"}],"attemptsPercentages":[{"alternativeId":"3146","percentage":75},{"alternativeId":"3149","percentage":13},{"alternativeId":"3145","percentage":9},{"alternativeId":"3148","percentage":1},{"alternativeId":"3147","percentage":2}],"promptToLogin":false,"questionManager":false,"articleId":"effective-dose"}