What is the basic principle of TIME in radiologic exposure?

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Multiple Choice

What is the basic principle of TIME in radiologic exposure?

Explanation:
Time is the duration the x-ray beam is on. Keeping that exposure as short as possible minimizes motion blur and the amount of radiation delivered to the patient. In practice, this means aiming for the shortest workable exposure while still achieving a diagnostic image, often by adjusting mA and time together so the image brightness is maintained with a brief exposure. Longer exposure increases both motion artifacts and dose, while changes in kVp affect penetration and contrast rather than how long the beam is on.

Time is the duration the x-ray beam is on. Keeping that exposure as short as possible minimizes motion blur and the amount of radiation delivered to the patient. In practice, this means aiming for the shortest workable exposure while still achieving a diagnostic image, often by adjusting mA and time together so the image brightness is maintained with a brief exposure. Longer exposure increases both motion artifacts and dose, while changes in kVp affect penetration and contrast rather than how long the beam is on.

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