When a beam of x rays passes through the patient, the relative transmission or penetration measurement can be calculated by use of which of the following?
A) log of the ratio of intensity of x rays at the source to the intensity of the detector
B) log of the ratio of the detector intensity to the source intensity
C) ratio of the source intensity to the detector intensity
D) ratio of the detector intensity to the source intensity
Correct Answer:
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Q1: The unit of the linear attenuation
Q3: Data acquisition in computed tomography refers to:
A)acquiring
Q4: Which of the following is not true
Q5: Computed tomography overcomes the limitations of radiography
Q6: The reduction of the intensity of a
Q7: All of the following apply to CT
Q7: The limitations of conventional tomography include all
Q8: Conversion of the attenuation readings into a
Q10: Attenuation of a beam of radiation depends
Q26: A limitation of conventional radiography is that
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