system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Regarding CT scan all are true except -
assistant
The correct answer is  Quantity of exposure (radiation dose) is directly propoional to (kVp)2 so reducing kVp by 50% will reduce the radiation dose to 25 % (i.e 75% reduction in radiation dose)