According to Jean Piaget,language and Other Symbols Were First Used

question 86

True/False

According to Jean Piaget,language and other symbols were first used in the preoperational stage.

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Definitions:

Barium Swallow

A radiologic procedure that involves oral administration of a barium sulfate drink to help diagnose and evaluate obstructions, ulcers, polyps, diverticuloses, tumors, or motility problems of the esophagus, stomach, duodenum, and small intestine; also called an upper GI (gastrointestinal) series.

Upper GI Series

A series of X-rays of the esophagus, stomach, and small intestine that uses a contrast material to diagnose problems in the upper gastrointestinal tract.

Oral Administration

The process of taking medication or substances through the mouth for absorption in the digestive system.

Arthrography

A radiologic procedure performed by a radiologist, who uses a contrast medium and fluoroscopy to help diagnose abnormalities or injuries in the cartilage, tendons, or ligaments of the joints—usually the knee or shoulder.