To Minimize the Magnification Associated with Portable Films, How Far

question 2

Multiple Choice

To minimize the magnification associated with portable films, how far should the patient and the film be from the source of the x-rays in a conventional chest x-ray?

• A) 6 feet
• B) 8 feet
• C) 10 feet
• D) 12 feet

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Definitions:

Scaffolding

An educational technique where a teacher provides successive levels of temporary support to help students achieve higher levels of comprehension and performance.

Vygotsky

Lev Vygotsky was a Soviet psychologist known for his work on psychological development in children.

Scaffolding

A teaching method that involves providing support to students as they learn new concepts, gradually reducing the support as the students become more proficient.

Zone of Proximal Development

Vygotsky's concept describing the difference between what a learner can do without help and what they can achieve with guidance and encouragement from a skilled partner.