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Medical imaging(questions with verified answers)
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Medical imaging(questions with verified answers)
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Medical imagingWhich medical imaging method does NOT use electromagnetic radiation? - correct answer
✔✔Ultrasound
What type of energy do X-rays use? - correct answer ✔✔X-rays
What type of energy do CT scans use? - correct answer ✔✔X-rays
What type of energy do Radioactive tracers use? - correct answer ✔✔Gamma radiation
What type of energy does an Ultrasound use? - correct answer ✔✔High frequency sound waves
What type of energy is used by MRI scans? - correct answer ✔✔Radio waves
Define X-rays. - correct answer ✔✔X-rays are electromagnetic waves which have extremely short
wavelengths. They are generated by aiming high energy electrons at a tungsten target. Detection is
usually done with a photographic film.
What stops X-rays? - correct answer ✔✔Lead
What are the uses of X-rays? - correct answer ✔✔-Broken bones
-Dental decay
- Lungs (to see damaged tissue and fluid build up)
-Narrowing of the coronary artery using x-ray opaque dye
-Disease of the digestive tract using a barium meal
What are the advantages of X-rays? - correct answer ✔✔-Relatively cheap and easy
-Good bone resolution
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