Which combination of factors will lead to increased wear in x-ray systems?

The selection of the combination of high mA (milliamperage) and high kVp (kilovolt peak) leading to increased wear in x-ray systems is rooted in the operational mechanics of the x-ray generation process.

High mA indicates a higher current passing through the x-ray tube, resulting in a greater quantity of x-rays produced in a given time. This increase in output can lead to overheating of the x-ray tube components, particularly the anode, which is where the x-rays are generated. Over time, excessive use at high mA can deplete the materials of the tube, leading to mechanical failures or reduced lifespan.

Moreover, high kVp is associated with higher energy x-rays. When high-energy x-rays are produced, they create additional stress on the tube as the interactions with the anode are intense. The higher energy also means a greater potential for damage to components due to the increased bombardment of energetic particles.

Together, the scenarios of high mA and high kVp create a scenario where the x-ray system operates under significant stress, accelerating wear and potential failure of the tube and associated components. Therefore, this combination is indeed associated with increased wear in x-ray systems.