Which of the following refers to the ability of the computed tomography detector to capture, absorb, and convert x-ray photons into electrical energy?
Blog
The purpose of the imaging system is to:I. produce x raysII….
The purpose of the imaging system is to:I. produce x raysII. shape and filter the x rayIII. detect and measure the radiation passing through the cross-section
Interpolation methods that result in a scan wider than what…
Interpolation methods that result in a scan wider than what was selected is known as what
Image reconstruction that uses raw data to automatically pro…
Image reconstruction that uses raw data to automatically produce images during patient scanning is called:
Calculate the pitch for a MDCT scan with the following param…
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 reconstru…
Which of the following describes the function of a reconstruction algorithm in CT?
Select the proper sequence of CT numbers (HUs) for the follo…
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…
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 reconstr…
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…
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.