How should portable radiography exposure be optimized to minimize patient dose?

• A. Use the highest achievable mAs to ensure image quality.
• B. Use minimal shielding and no collimation on portable setups.
• C. Use the lowest achievable mAs, optimal geometry, collimation, shielding, avoid repeats, and ensure proper technique for portable setups.
• D. Do not adjust technique for portable exams.

Answer: (C)