Which imaging modality is described as a computer-assisted series of X-ray slices through the body?

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Study for the PLTW Medical Detectives Exam. Prepare with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your test and excel!

Multiple Choice

Which imaging modality is described as a computer-assisted series of X-ray slices through the body?

Explanation:
Computed tomography (CT) uses an X-ray beam and detectors that rotate around the body to capture many thin cross-sectional images, or slices. A computer then reconstructs these slices into detailed cross-sectional views that can be stacked into a 3D representation. This computer-assisted series of X-ray slices is what sets CT apart from a single plain X-ray image. MRI relies on magnetic fields and radio waves, not X-rays; ultrasound uses sound waves; a standard X-ray produces a single 2D projection.

Computed tomography (CT) uses an X-ray beam and detectors that rotate around the body to capture many thin cross-sectional images, or slices. A computer then reconstructs these slices into detailed cross-sectional views that can be stacked into a 3D representation. This computer-assisted series of X-ray slices is what sets CT apart from a single plain X-ray image. MRI relies on magnetic fields and radio waves, not X-rays; ultrasound uses sound waves; a standard X-ray produces a single 2D projection.

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