American Registry of Radiologic Technologists (ARRT) Practice Exam

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Prepare for the American Registry of Radiologic Technologists Test with engaging quizzes and detailed explanations. Boost your test readiness with multiple-choice questions designed to enhance your knowledge and confidence.

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What is a myelogram?

A scan of brain functionality
An injection of contrast into the esophagus
An imaging examination of the spinal cord
A procedure to visualize blood vessels

The correct answer is: An imaging examination of the spinal cord

A myelogram is an imaging examination specifically designed to visualize the spinal cord and the surrounding structures. During this procedure, a contrast dye is injected into the epidural space of the spine, often through a spinal tap. This enhances the visibility of the spinal cord and nerve roots on X-ray or CT scans, allowing healthcare professionals to identify any abnormalities such as herniated discs, tumors, or spinal stenosis. The method is particularly useful in diagnosing conditions that affect the spinal cord and can help guide further treatment options based on the findings. The use of contrast material is crucial, as it improves the contrast of images, making it easier to interpret and assess any potential issues related to the spinal cord.