Good Collimation Practices Result in Which of the Following

Multiple Choice

Good collimation practices result in which of the following?
1) Reduces histogram analysis errors
2) Clearly delineates the VOI
3) Improves the visibility of recorded details by reducing the amount of scatter radiation that reaches the IR
4) Decreases the radiation dosage by limiting the amount of scatter from the patient

A) 2 and 3 only
B) 1, 2, and 3 only
C) 1, 2, and 4 only
D) 1, 2, 3, and 4