This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
Radiation dose to patient can be reduced by all of the following except 
Select and explain. 
A. Speed film, B. Filters, C. By increasing target object distance, D. Decreasing kilovoltage potential
D: Decreasing kilovoltage potential
Answer: D: Decreasing kilovoltage potential 
Explanation: Increasing kVp potential reduces radiation exposure dose.