X-rays 0.0 / 5 ? PhysicsMedical PhysicsGCSEAQA Created by: chidgexxCreated on: 29-01-16 21:13 Why is a crack in a bone visible on a radiograph? A crack is a gap that X-rays can pass through 1 of 10 Why does a film badge have a plastic case and not a metal one? To keep light out without stopping the X-rays 2 of 10 Why is it important to stop X-rays reaching healthy body tissue? They would damage or kill living cells or cause mutations 3 of 10 X-rays can...thin metal sheets Penetrate 4 of 10 Thick lead plates will...X-rays Absorb 5 of 10 Why is it necessary to place the patient between the X-ray tube and the film cassette? To make an image of the patients bone on the film 6 of 10 Why it it necessary to have the film in a lightproof case? To prevent light affecting the film 7 of 10 Why is it necessary to shield those parts of the patients that are not being investigated? To prevent damage to cells that are not being X-rayed 8 of 10 Advantage of a CT scanner compared to normal X-ray? Distinguishes between different types of soft tissue- normal X-ray does not 9 of 10 Disadvantage of a CT scanner compared to normal X-ray? The radiation dose is much greater than a normal X-ray 10 of 10
Comments
No comments have yet been made