The projectile effect is witnessed in which zone?

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Multiple Choice

The projectile effect is witnessed in which zone?

The projectile effect comes from the strong static magnetic field of the MRI system pulling on ferromagnetic objects. The force is strongest where the magnetic field is strongest, which is inside the bore and in the immediate scanner room. Zone 4 corresponds to that inner magnet room, where the field is highest, so this is where objects can be suddenly drawn toward the magnet and become dangerous projectiles. The other zones have little to no such strong field, so they don’t exhibit this effect as clearly.

The projectile effect comes from the strong static magnetic field of the MRI system pulling on ferromagnetic objects. The force is strongest where the magnetic field is strongest, which is inside the bore and in the immediate scanner room. Zone 4 corresponds to that inner magnet room, where the field is highest, so this is where objects can be suddenly drawn toward the magnet and become dangerous projectiles. The other zones have little to no such strong field, so they don’t exhibit this effect as clearly.

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