Which of the Following Statements Are Considered an Indication for Obtaining

Which of the following statements are considered an indication for obtaining a radiograph?
1) Determine the appropriate therapy.
2) Evaluate the effectiveness of treatment.
3) Detect alterations of the lung caused by pathologic processes.
4) Diagnose specific diseases.

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