In computed tomography imaging, the main purpose of the window is
Adjust the window width
B. Enhanced contrast sensitivity
C. Adjust the center of the window width
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HU measurement compares the measured attenuation coefficient of tissue slice with what?
A. Fat attenuation coefficient
B. Attenuation coefficient of bone
C. Water attenuation coefficient
From a CT image using black and white scale and calibrated with HU, the bone will show:
A. Black
B. Gray
C. White
Which of the following statements is correct (only one answer is correct)：
A. CT uses X-ray discovery and the development of new mathematical algorithms.
B. CT developed from optical imaging
CT is based on high-frequency ultrasound imaging
What important technological advancement has CT pioneered in diagnostic imaging?
A. Observe the inside of the human body without using a scalpel
B. Huntsfield Unit
C. The invention of X-ray
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