<prompt> Hounsfield units are used in CT density scale to measure attenuation value of different materials compared to water. The value of fat in HU would be around:-100-10001001000  <response>: Ans. A. -100The value of fat is around -100HU.In a CT density scale Air -1000 Black Fat -100 Water 0 Concealed blood 60 to70 Calcification 1000 White 