Which of the following are examples of how computers are used in therapeutic services?

A. A computer assists paralyzed patients to walk.
B. An electrocardiogram computer prints out the electrical activity of the heart.
C. The magnetic resonance imaging (MRI) computer scans the body, producing a cross-sectional body image.
D. CT scanners visualize organs to help find tumors without surgery.
E. All of the above

Answer: A