The RF used in MRI is often referred to as B1.

What shielding material is commonly used to prevent external radio source interference in an MRI room?

The pulse generator module component of the computer system sends instructions related to timing, amplitude and the shape of transmitted RF pulses.

Gradients coils are in a 3-terminal arrangement of A, B and C.

According to the FDA, what is the recommended limit for the fringe field strength within the MRI scan room?

What mechanism is used to prevent RF-related injuries during MRI scans?

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At the end of the real test, you’ll scan and upload your handwritten work as a single PDF file. This question is here to help you practice that process in advance using at least two handwritten pages. To simulate the actual procedure: Use your phone to scan two or more handwritten pages and combine them into a single PDF. Recommended apps: Notes (iOS), Adobe Scan, CamScanner, or iLovePDF.com Remain on camera while scanning and uploading. Upload the PDF to this question before clicking Submit Quiz. Do not exit Honorlock or the Canvas quiz until your PDF has been uploaded and the quiz is fully submitted. Reminder: Phone use is only allowed during this upload step. During the real test, it must remain face-down and visible on your desk until then. This question is not graded—it’s just to verify that you know how to scan, combine, upload, and submit your work correctly before test day.

An mRNA vaccine against COVID-19 works by…

In plants, plasmodesmata allow substances to travel directly between the cytoplasm of neighboring cells. Which structures perform a similar function in animals?