Which CT Scanner Is Based on a Fan-Beam Geometry and Complete

question 45

Multiple Choice

Which CT scanner is based on a fan-beam geometry and complete rotation of the X-ray tube and detectors?

• A) First-generation scanner
• B) Second-generation scanner
• C) Third-generation scanner
• D) Fourth-generation scanner

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Definitions:

Orbicularis Oculi

A muscle around the eye that allows the eyelids to close.

Zygomaticus

The zygomaticus refers to two facial muscles, the zygomaticus major and minor, which extend from the cheekbone to the corners of the mouth and are responsible for raising the upper lip, contributing to facial expressions such as smiling.

Sternocleidomastoid

A significant muscle in the neck that is involved in the rotation and flexion of the head.

Tibialis Anterior

A muscle in the lower leg that is involved in dorsiflexion and inversion of the foot.