Computed Tomography Technologist Practice Exam 2025 – All-in-One Guide for Exam Success!

Question: 1 / 615

What effect does patient breath hold have on slice misregistration?

It increases radiation dose

It ensures consistency in data acquisition

It may cause valuable data to be missed

Patient breath hold plays a crucial role in ensuring accurate imaging during CT scans. When a patient holds their breath, it stabilizes the position of the organs and structures being imaged, which helps in acquiring clear and consistent data.

If a patient does not hold their breath during the scan, the movement caused by breathing can lead to slice misregistration, which refers to the misalignment of successive image slices. This misalignment may result in valuable data being missed or distorted, ultimately affecting the quality of the images and compromising diagnostic accuracy. Therefore, the correct answer recognizes that not maintaining breath hold can compromise the completeness and clarity of the data obtained during the scan process.

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It has no effect on data collection

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