medium · NCLEX-RN risk-reduction
The nurse is educating a client who will receive an MRI. The client asks why they must wear earplugs during the procedure.
Which explanation is correct?
- Earplugs help to stabilize the head and prevent motion artifacts on the images, at this point in care.
- Blocking sound reduces the risk of the 'Quench' phenomenon during the scan
- The earplugs prevent the magnetic field from affecting the delicate bones of the inner ear, for this client.
- Rapidly switching magnetic gradients produce acoustic noise that can exceed 100 dB, risking hearing loss
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