Failing to Record the Apical Region of the Teeth on a Periapical

question 13

Multiple Choice

Failing to record the apical region of the teeth on a periapical radiograph most likely results from an error made in which of the following steps?

• A) Placement of the image receptor
• B) Horizontal angulation
• C) Vertical angulation
• D) Centering the x-ray beam

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Definitions:

Excludability

A characteristic of a good according to which it is possible to prevent people who have not paid for the good from consuming it.

Optimal Quantity

The quantity that maximizes a firm or individual's net benefit, often determined through cost-benefit analysis.

Marginal Cost

The rise in expense associated with the production of an extra unit of a product or service.

Negative Externalities

The cost that affects a party who did not choose to incur that cost, often associated with production or consumption of goods and services, such as pollution.