Imaging Terminology Test
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| A. Variation of the strength of the magnetic field over a specific period of time measured in Tesla per second or T/sec.B. The total scan time is the time required to collect all data needed to generate the desired images.C. Degree of difference between the light and dark areas.D. Instrument that detects and measures exposure to ionizing radiation.E. An ultrasound artifact, notably in muscles and tendons, which causes the echogenicity of a structure changes when the transducer is angled obliquely.F. Advanced diagnostic imaging technique that produces detailed pictures of the tissues of the human body using a magnet and RF energy (radio waves) to see inside the bodyG. Region in an ultrasound image in which the echoes are stronger (whiter) than normal or than surrounding structures.H. Under specific conditions of use, safe in the MR environment.I. Ability to compensate for the attenuation of the transmittal beam as the sound wave travels through tissue in the body. J. Refers to echo. K. False features in the image produced by the imaging process. L. Advanced X-ray technology that produces a sequence of detailed cross-sectional 3-D images of the body. M. Unit of measurement (T) to determine the strength of a magnet.N. The capacity of a structure in the path of an ultrasound beam to reflect back soundwaves. The specific terminology is used to describe the characteristics of images in ultrasound.O. Presents unacceptable risks in the MR environment.P. Ability to distinguish two close objects as separate. In simple terms, it provides clarity to the ultrasound image.Q. Amount of RF energy absorbed by the body during an MRI scan measured in Watts per kilogram or W/Kg.R. Presents no known hazards resulting from exposure to any MRI environment. |
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