Which component is the first encountered after exiting the unleaded window?

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Multiple Choice

Which component is the first encountered after exiting the unleaded window?

After leaving the unleaded window, the first barrier the x-ray photons meet is the tubehead seal. This seal sits right at the port to preserve the vacuum and prevent oil from leaking into the window area, so it is the immediate barrier encountered. Behind the seal are the aluminum filtration disks, which harden the beam by removing low-energy photons; further along are the lead collimator that shapes the beam, and finally the PID that directs the beam toward the patient. The seal’s position directly next to the window makes it the first component the beam encounters.

After leaving the unleaded window, the first barrier the x-ray photons meet is the tubehead seal. This seal sits right at the port to preserve the vacuum and prevent oil from leaking into the window area, so it is the immediate barrier encountered. Behind the seal are the aluminum filtration disks, which harden the beam by removing low-energy photons; further along are the lead collimator that shapes the beam, and finally the PID that directs the beam toward the patient. The seal’s position directly next to the window makes it the first component the beam encounters.

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