Fourth-Generation CT Scanners Are Characterized By

question 59

Multiple Choice

Fourth-generation CT scanners are characterized by:

• A) rotate-translate motion and parallel beam geometry.
• B) rotate-translate motion and fan-beam geometry.
• C) fan-beam geometry and continuous rotation of X-ray tube and detectors
• D) fan-beam geometry and complete rotation of X-ray tube around a stationary ring of detectors

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Definitions:

Chief Cells

Specialized cells located in the stomach that are responsible for secreting pepsinogen, an important enzyme precursor in the digestive process.

Salivary Glands

Salivary glands are exocrine glands located in the mouth that produce saliva, which begins the process of digestion and helps protect the mouth and teeth.

Pyloric Sphincter

The valve-like structure composed of a circular band of muscle at the juncture of the stomach and small intestine.

Pylorus

The opening from the stomach into the duodenum, controlled by a sphincter that regulates the passage of food.