Critical Care Registered Nurse (CCRN) Practice Exam

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Prepare for the Critical Care Registered Nurse (CCRN) Exam. Study with flashcards and multiple choice questions, each accompanied by hints and explanations. Get ready to excel in your CCRN certification!

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What technology does CTA utilize to produce images?

  1. Ultrasound

  2. X-ray with a multidetector

  3. Magnetic resonance imaging

  4. Computed radiography

The correct answer is: X-ray with a multidetector

CTA, or Computed Tomography Angiography, utilizes X-ray technology combined with a multidetector system to produce detailed images of blood vessels. The multidetector capability allows for rapid acquisition of data, which is crucial for visualizing the anatomy and potential abnormalities in the vascular system. During the procedure, a contrast agent is often injected to enhance the visibility of the blood vessels, and the multiple detectors help capture a wide range of data in a single rotation of the CT scanner, yielding high-resolution images. This approach is particularly useful for diagnosing conditions such as aneurysms, blockages, and other vascular issues. Understanding the role of X-ray technology in CTA is essential for interpreting the results effectively and applying them in clinical practice.

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