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- 1what are X-RAYS and what is it used for?It's a form of electromagnetic radiation which is used to see broken bones and some soft tissue.
- 2what are CAT scans and what does it generate?CAT stands for Computer Axial Tomography. It generates a 3-D image from a large series of two-dimensional X-ray images.
- 3How do PET Scans work? Give a brief summary.Radioactive chemicals are either injected or swallowed. External detectors called gamma cameras take images of the radiation emitted.
- 4What is an Endoscope and what id it used to see?An endoscope is a medical device which is used to look inside the body - commonly the reproductive and digestive systems, and the urinary and respiratory tracts.
- 5How does an Endoscope work?One bundle of fibre optics carries light to the object and another returns an image for the doctor to view.
- 6What is Ultrasound and how is it used in medicine?Ultrasound has a high frequency and it is commonly used to create images of unborn babies but it is also used to see soft tissue and other internal organs.
- 7How can ionising radiation be used to treat medical issues?Ionising radiation is used to treat diseases this is called radiation therapy. This is used to control or kill malignant cancer cells. It damages the DNA of the cells it is exposed to and therefore kills them.
- 8What treatment involves ultrasound and how does it work?Ultrasound pulses can be used to break up kidney stones into small pieces that can be passed from the body without needing an operation. It can also be used to treat internal injuries to help them heal faster.
- 9What can lasers be used for?Lasers can be used in eye surgery to correct myopia and hyperopia. The laser is used to remodel the cornea after a flap of corneal tissue is folded back. The flap of tissue is then repositioned and seals naturally. Lasers are also used to remove tattoos, hair and birth marks.
- 10PHYSICS (P3) PHYSICS IN MEDICIEN: PART 1KHADIJA KHANUM
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- Karteikarten am Ohne Titel, erstellt von kkmiah am 12/03/2014.
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- kkmiah
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