Which of the following factors does NOT influence radiation dose to patients?

The age of the patient does not influence the radiation dose received during an x-ray. Instead, factors directly related to the control and parameters of the x-ray exposure, such as the distance from the x-ray source, duration of exposure, and type of x-ray machine, play crucial roles in determining the amount of radiation a patient receives.

Distance from the x-ray source is significant because radiation intensity decreases with increased distance due to the inverse square law. The longer the distance, the lower the dose. Similarly, the duration of exposure is directly proportional to the radiation dose; longer exposures result in higher doses. The type of x-ray machine also affects the dose, as different machines may have varying output levels and filtration capabilities that can influence the dose delivered to the patient.

In contrast, while patient age can impact the sensitivity to radiation effects and the risk of potential harm, it does not alter the actual dose of radiation received during the procedure itself. Therefore, age is not a determining factor in the radiation dose administered during x-ray imaging.