Final answer:
IV contrast is usually not administered to rule out a herniated disc.
Step-by-step explanation:
Out of the given statements, the TRUE statement regarding CT exams of the spine is:
- IV contrast is usually not administered to rule out a herniated disc. While IV contrast may be used in some cases to enhance certain structures or identify abnormalities, it is generally not necessary to rule out a herniated disc using CT scans.
Therefore, option 1 is the correct answer.