Ace the Radiology Practice Test 2025 – X-ray Your Success!

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What is one limitation of MRI when compared to CT scans?

Lower resolution images

Inability to detect soft tissues

Longer scanning times

One limitation of MRI when compared to CT scans is the longer scanning times. MRI scans typically take significantly longer to complete than CT scans, which can be a drawback in emergency situations where rapid imaging is crucial. The longer duration can also pose challenges for patients who may experience anxiety or discomfort during extended procedures, and the requirement for patients to remain still can further complicate the process.

In comparison, while CT scans are generally quicker and can be preferable in acute care settings, MRI offers superior soft tissue contrast, making it a valuable tool for evaluating the brain, spinal cord, and other structures. The other limitations of MRI, such as the lack of radiation exposure compared to CT or its ability to evaluate soft tissues effectively, do not apply here, as they highlight advantages of MRI rather than limitations.

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Higher radiation exposure

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