When a Beam of X Rays Passes Through the Patient

Multiple Choice

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