While Counting Four Objects, Lesedi Says '1, 2, 4, 8

question 125

Multiple Choice

While counting four objects, Lesedi says '1, 2, 4, 8' one time and '2, 1, 4, 8' the next time. This demonstrates that Lesedi has failed to master the ____ principle of counting.

• A)stable-order
• B)cardinality
• C)one-to-one
• D)habituation

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Definitions:

Double Contrast

A radiographic technique that uses two contrasting agents (one positive and one negative) to improve image quality in diagnostic imaging.

Crystals

Solid materials whose atoms are arranged in highly ordered, repeating patterns extending in all three spatial dimensions.

Barium Enema

A diagnostic imaging procedure that involves filling the colon with a liquid barium solution to help visualize the colon and rectum on an X-ray.

Upper GI Series

A series of radiographs of the esophagus, stomach, and small intestine taken after swallowing a contrast material to diagnose conditions and abnormalities.