Question 2785
{"accessible":false,"alternatives":[{"id":13589,"text":"1,45mm/s"},{"id":13590,"text":"330m/s"},{"id":13591,"text":"1450m/s"},{"id":13592,"text":"1540m/s"},{"id":13593,"text":"4080m/s"}],"archived":false,"correctAlternativeId":13592,"explanation":"\u003cp\u003eThe average speed of sound in soft tissue is 1540m/s (this is used by the machine to calculate the depth of tissue boundaries).\u003c/p\u003e","id":2785,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2818","nextQuestionPath":null,"relatedArticles":[{"id":31692,"title":"Speed displacement artifact","link":"/articles/speed-displacement-artifact-1?lang=us"}],"alsoUsedIn":[{"id":1608,"kind":"RestrictedPage","title":"Page 1608 (in no courses)","link":"https://radiopaedia.org/admin/restricted_pages/1608"},{"id":1972,"kind":"Course","title":"Imaging Physics: Ultrasound Peer Review - page 1972","link":"https://radiopaedia.org/courses/imaging-physics-ultrasound-peer-review/pages/1972"},{"id":1972,"kind":"Course","title":"Imaging Physics: Ultrasound - page 1972","link":"https://radiopaedia.org/courses/imaging-physics-ultrasound/pages/1972"}],"stem":"\u003cp\u003eWhat is the average speed of sound in soft tissue?\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/2785"}],"attemptsPercentages":[{"alternativeId":"13590","percentage":4},{"alternativeId":"13591","percentage":10},{"alternativeId":"13589","percentage":1},{"alternativeId":"13593","percentage":1},{"alternativeId":"13592","percentage":84}],"promptToLogin":false,"questionManager":false,"articleId":"propagation-speed"}