Question

ct and mri techniques image the body through cross sections, or slices, which can then be viewed singly or used to generate 3d images. imaging in cross-sectional slices is called
tomography.
sonography.
fluoroscopy.
ultrasound.

Explanation:

Tomography is the imaging technique that uses cross - sectional slices (like in CT and MRI) to create images. Sonography and ultrasound use sound waves, and fluoroscopy is real - time X - ray imaging, not based on cross - sectional slicing for 3D or slice - based imaging as described.

Answer:

A. tomography.