What is an isotope?
Choose 1 answer
{"type":"multi-choice","id":"8405","dataJson":{"type":"multi-choice","slide_id":44944,"key":8405,"prompt":"\u003cp\u003eWhat is an isotope?\u003c/p\u003e","validResponse":[8975],"use_data":false,"question_body":"","question_video_url":"","question_fileboy_image_id":"","options":[{"label":"a substance which emits radiation","value":8972,"fileboyId":"e8bfd48d-83c2-47ba-90c1-80d9e19918ef"},{"label":"treatment of disease using x-rays or other forms of radiation","value":8976,"fileboyId":"8e45bd27-25bc-4d17-a42e-7260c13c07b5"},{"label":"atoms of the same element that have a different mass number because they have a different number of neutrons ","value":8975,"fileboyId":"497d096d-efac-414c-a13f-24abdcc8d379"},{"label":"electromagnetic radiation emitted by an atomic nucleus during radioactive decay","value":8973,"fileboyId":"ae35ac6a-aff2-4ed8-96af-c46eda9d58a6"},{"label":"a positively charged particle that consists of two protons and two neutrons emitted during radioactive decay","value":8974,"fileboyId":"d0931ed8-491e-4c94-acf2-e3daa70f71d7"}],"question_data":{"body":"Bone scans can also use radioactive isotopes to diagnose illness. These also use isotopes that emit gamma radiation. The scans can be used to see the damage caused by arthritis or to detect tumours. \n\n","video":null,"image_url":"https://www.developingexperts.com/file-cdn/images/get/915b2ab1-547f-4359-bdcb-98ab1f26ee25?transform=resize:800x600;format:webp;quality:80"},"limitChoices":{"min":1,"max":1}}}
What is a gamma ray?
Choose 1 answer
{"type":"multi-choice","id":"8403","dataJson":{"type":"multi-choice","slide_id":44943,"key":8403,"prompt":"\u003cp\u003eWhat is a gamma ray?\u003c/p\u003e","validResponse":[8973],"use_data":false,"question_body":"","question_video_url":"","question_fileboy_image_id":"","options":[{"label":"a substance which emits radiation","value":8972,"fileboyId":"e8bfd48d-83c2-47ba-90c1-80d9e19918ef"},{"label":"a positively charged particle that consists of two protons and two neutrons emitted during radioactive decay","value":8974,"fileboyId":"d0931ed8-491e-4c94-acf2-e3daa70f71d7"},{"label":"electromagnetic radiation emitted by an atomic nucleus during radioactive decay","value":8973,"fileboyId":"ae35ac6a-aff2-4ed8-96af-c46eda9d58a6"},{"label":"treatment of disease using x-rays or other forms of radiation","value":8976,"fileboyId":"8e45bd27-25bc-4d17-a42e-7260c13c07b5"},{"label":"atoms of the same element that have a different mass number because they have a different number of neutrons ","value":8975,"fileboyId":"497d096d-efac-414c-a13f-24abdcc8d379"}],"question_data":{"body":"To diagnose problems with the thyroid gland, patients are sometimes given a small dose of radioactive iodine (I-131 or I-123) by mouth. Radioactive iodine emits gamma radiation which passes out of the body and so can be detected by medical instruments. If the scan shows that the thyroid has absorbed too much or too little iodine, then the doctor can use this information to diagnose the patient's condition.","video":null,"image_url":"https://www.developingexperts.com/file-cdn/images/get/55b6e95c-0584-477d-b7ed-e059c7d46d7e?transform=resize:800x600;format:webp;quality:80"},"limitChoices":{"min":1,"max":1}}}
What is an alpha particle?
Choose 1 answer
{"type":"multi-choice","id":"8404","dataJson":{"type":"multi-choice","slide_id":44946,"key":8404,"prompt":"\u003cp\u003eWhat is an alpha particle?\u003c/p\u003e","validResponse":[8974],"use_data":false,"question_body":"","question_video_url":"","question_fileboy_image_id":"","options":[{"label":"a positively charged particle that consists of two protons and two neutrons emitted during radioactive decay","value":8974,"fileboyId":"d0931ed8-491e-4c94-acf2-e3daa70f71d7"},{"label":"treatment of disease using x-rays or other forms of radiation","value":8976,"fileboyId":"8e45bd27-25bc-4d17-a42e-7260c13c07b5"},{"label":"electromagnetic radiation emitted by an atomic nucleus during radioactive decay","value":8973,"fileboyId":"ae35ac6a-aff2-4ed8-96af-c46eda9d58a6"},{"label":"a substance which emits radiation","value":8972,"fileboyId":"e8bfd48d-83c2-47ba-90c1-80d9e19918ef"},{"label":"atoms of the same element that have a different mass number because they have a different number of neutrons ","value":8975,"fileboyId":"497d096d-efac-414c-a13f-24abdcc8d379"}],"question_data":{"body":"Alpha emitters are not used as tracers because alpha particles would not pass out of the body. They are also strongly ionising and so would damage body tissue. Gamma radiation is weakly ionising and so does not cause as much damage to the cells as alpha radiation. ","video":null,"image_url":"https://www.developingexperts.com/file-cdn/images/get/27e905b0-06c4-480d-8cd3-ab5d9c38dad7?transform=resize:800x600;format:webp;quality:80"},"limitChoices":{"min":1,"max":1}}}
What is radiotherapy?
Choose 1 answer
{"type":"multi-choice","id":"8406","dataJson":{"type":"multi-choice","slide_id":44948,"key":8406,"prompt":"\u003cp\u003eWhat is radiotherapy?\u003c/p\u003e","validResponse":[8976],"use_data":false,"question_body":"","question_video_url":"","question_fileboy_image_id":"","options":[{"label":"a positively charged particle that consists of two protons and two neutrons emitted during radioactive decay","value":8974,"fileboyId":"d0931ed8-491e-4c94-acf2-e3daa70f71d7"},{"label":"electromagnetic radiation emitted by an atomic nucleus during radioactive decay","value":8973,"fileboyId":"ae35ac6a-aff2-4ed8-96af-c46eda9d58a6"},{"label":"treatment of disease using x-rays or other forms of radiation","value":8976,"fileboyId":"8e45bd27-25bc-4d17-a42e-7260c13c07b5"},{"label":"atoms of the same element that have a different mass number because they have a different number of neutrons ","value":8975,"fileboyId":"497d096d-efac-414c-a13f-24abdcc8d379"},{"label":"a substance which emits radiation","value":8972,"fileboyId":"e8bfd48d-83c2-47ba-90c1-80d9e19918ef"}],"question_data":{"body":"As well as tracers, radioactive isotopes have got other uses in medicine. One of these is to control or destroy unwanted tissue. A long time ago, scientists discovered that certain cancers can be destroyed using ionising radiation. This is called radiotherapy.","video":null,"image_url":"https://www.developingexperts.com/file-cdn/images/get/8337baab-678d-4c43-bec9-d8542f9bb9a3?transform=resize:800x600;format:webp;quality:80"},"limitChoices":{"min":1,"max":1}}}
What does radioactive mean?
Choose 1 answer
{"type":"multi-choice","id":"8402","dataJson":{"type":"multi-choice","slide_id":44941,"key":8402,"prompt":"\u003cp\u003eWhat does radioactive mean?\u003c/p\u003e","validResponse":[8972],"use_data":false,"question_body":"","question_video_url":"","question_fileboy_image_id":"","options":[{"label":"treatment of disease using x-rays or other forms of radiation","value":8976,"fileboyId":"8e45bd27-25bc-4d17-a42e-7260c13c07b5"},{"label":"atoms of the same element that have a different mass number because they have a different number of neutrons ","value":8975,"fileboyId":"497d096d-efac-414c-a13f-24abdcc8d379"},{"label":"a positively charged particle that consists of two protons and two neutrons emitted during radioactive decay","value":8974,"fileboyId":"d0931ed8-491e-4c94-acf2-e3daa70f71d7"},{"label":"a substance which emits radiation","value":8972,"fileboyId":"e8bfd48d-83c2-47ba-90c1-80d9e19918ef"},{"label":"electromagnetic radiation emitted by an atomic nucleus during radioactive decay","value":8973,"fileboyId":"ae35ac6a-aff2-4ed8-96af-c46eda9d58a6"}],"question_data":{"body":"Radioactive isotopes are used widely in medicine. Firstly, internal organs can be explored using a radioactive tracer. This can be extremely useful to check whether an organ is functioning and developing normally.","video":null,"image_url":"https://www.developingexperts.com/file-cdn/images/get/fea8d5dc-9ba7-4ae7-bdd5-a6b0a17a66d0?transform=resize:800x600;format:webp;quality:80"},"limitChoices":{"min":1,"max":1}}}
Look at the slide below to work out the answer.