Why Is a Question Concerning the Amount of Radiation a Patient

Multiple Choice

Why is a question concerning the amount of radiation a patient will receive during a specific x-ray procedure difficult to answer?
1) Because the received dose is specified in a number of different units of measure
2) Because the scientific units for radiation dose are normally not comprehensible by a patient
3) Because the patient should not receive any information about radiation dose

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