The imaging technique that builds an image by using sound waves reflected by internal structures is calleda
A) PET scan.
B) ultrasound.
C) digital subtraction angiography.
D) MRI.
E) CT scan.

Question

Quizplus · Accepted Answer

The imaging technique described in the question, which uses sound waves to build an image of internal structures, is called ultrasound. PET scans, digital subtraction angiography, MRI, and CT scans all use different methods to create images, such as detecting radioactivity, injecting contrast agents, or using magnetic fields.

The Imaging Technique That Builds an Image by Using Sound