Radiology Crossword Puzzle

QUESTIONS LIST:

• penumbra: the blurred margin of an image
• roentgen: father of radiology
• three: how many sets of paired physical gradients are present in an mr scanner
• silver halide: coating on x-ray film
• grid: prevent scattered radiation from reaching the image receptor
• distortion: result of incorrect vertical angulation
• barium: number 56 on the periodic table of elements and a good absorber of x-rays
• chemical shift: difference in precession frequency of hydrogen in water and fat
• fluoroscopy: the use of x-rays to obtain real-time moving images
• hounsfield: father of ct
• diamagnetic: material that is weakly repulsed by a magnetic field
• orthopantogram: tomographic x-ray of the teeth, mandible and maxilla
• rise time: time for a gradient to ramp from zero to its maximum value