How Is the Neck Positioned for the AP Axial Projection

question 127

Multiple Choice

How is the neck positioned for the AP axial projection of the vertebral arch (pillars) ?

• A) With the occlusal plane perpendicular to the image receptor
• B) With the occlusal plane parallel to the image receptor
• C) In hyperextension
• D) In hyperflexion

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Definitions:

Clean Room

An environment, typically used in manufacturing or scientific research, that has a low level of environmental pollutants such as dust, airborne microbes, aerosol particles, and chemical vapors.

Primary Punisher

A stimulus that is inherently punishing; an example is electric shock.

Secondary Punisher

A stimulus that becomes punishing because it is associated with a primary punisher.

Negative Reinforcement

A process in behavior modification where the removal of an undesirable or unpleasant outcome after the display of a behavior increases the likelihood of the behavior being repeated in the future.