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Calculate the pitch for a MDCT scan with the following parameters: 128 slice MDCT, 1.25 mm slice thickness, table movement of 80 mm per rotation.

Which of the following describes the function of a reconstruction algorithm in CT?

Select the proper sequence of CT numbers (HUs) for the following tissues, from lowest HU to the highest HU:

Calculate the distance covered in a SDCT helical scan using a 1 second tube rotation, 5mm slice thickness, pitch of 1, 30 second total acquisition time and a DFOV of 20 cm. 

The mathematical techniques used by the computer to reconstruct the computed tomography image are known as:

The data acquisition system, or DAS, measures the number of photons that strikes the detector, converts the information to a _______signal, and sends the signal to the computer.

The couch top (table top) of a computed tomography scanner table should have the following:I. low radiation absorption characteristicsII. made of carbon fiberIII. excellent vibration-damping features

Attenuation of a beam of radiation depends on:

An increase of matrix size (with no change in field of view) will ____________ detail.

Who developed the first clinically useful computed tomography scanner?