MRI doesn't use ionizing radiation (like xray) so there's no need to control who gets into the MRI room

Like a compass needle, unrestrained (ferro) magnetic materials will tend to ______ to align with the magnetic field

Like X-rays or CT scanners, the risks are only present when they're "taking the picture" otherwise it's safe to enter

If you move two "fridge door" type magnets together, there will be no interaction until you get them fairly close and then they will ______each other with surprising speed

If you have been allowed into the MRI department, that Does or Does not mean that it's always safe to go into the room with the MRI scanner

We live fully enveloped in the ________magnetic field, which averages about 1/2 gauss ( a measure of magnetic field strenght)

It is only important to control access to the MRI room, itself, because there can't be any magnetic field hazards outside the MRI room

Magnetic energy, or flux, flows from one _______of the magnet to the other

In case of emergency, police, firefighters, or other emergency response personnel should be__________entrance into the MRI suite

The magnets that stick to your refrigerator door are "permanet" magnets. ______ is the kind of magnet used in doughnut-shaped MRI scanners