Which of the following is a limitation of radiography?
A) Image blur caused by patient breathing
B) Contrast degradation because of low peak kilovoltage techniques
C) The presence of ghost images caused by the tube movement
D) Superimposition of structures
Correct Answer:
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Q13: Attenuation of a beam of radiation depends
Q14: Which of the following obeys Lambert-Beer's law?
A)
Q15: In which of the following are slices
Q16: Data acquisition in CT refers to:
A) acquiring
Q17: The radiation beam used by Hounsfield in
Q19: CT overcomes the limitations of radiography and
Q20: All of the following apply to computed
Q21: A scaling factor of 1000 in the
Q22: A high-kilovolt (kV) technique is necessary in
Q23: If the FOV for an examination is
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