To produce an x-ray with greater penetrating power, the operator should adjust which parameter?

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Multiple Choice

To produce an x-ray with greater penetrating power, the operator should adjust which parameter?

Explanation:
Increasing kilovoltage raises the energy of the X-ray photons, giving the beam greater penetrating power. Higher kVp shifts the photon energy spectrum toward more energetic photons that can pass through tissues more readily, producing an X-ray image with greater penetration. Exposure time and milliamperage mainly change the number of photons (the beam’s quantity and the dose) rather than their energy, so they affect brightness and dose but not how penetrating the beam is. Focal spot size influences geometric sharpness and resolution, not penetration.

Increasing kilovoltage raises the energy of the X-ray photons, giving the beam greater penetrating power. Higher kVp shifts the photon energy spectrum toward more energetic photons that can pass through tissues more readily, producing an X-ray image with greater penetration. Exposure time and milliamperage mainly change the number of photons (the beam’s quantity and the dose) rather than their energy, so they affect brightness and dose but not how penetrating the beam is. Focal spot size influences geometric sharpness and resolution, not penetration.

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