If a Dark Radiolucent Shadow Obscures the Apices of the Maxillary

question 8

Multiple Choice

If a dark radiolucent shadow obscures the apices of the maxillary teeth,the:

• A)patient's lips were not closed on the bite-block during the exposure.
• B)patient's tongue was not in contact with the palate during the exposure.
• C)patient's head was posterior to the focal trough.
• D)patient needed to swallow.

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Definitions:

Vertebrae

The individual bones that form the vertebral column (spine) in vertebrates, providing structural support and protecting the spinal cord.

Spinal Column

The flexible, vertical structure composed of vertebrae that encloses the spinal cord, providing support and facilitating movement.

Slight Tension

A minimal level of stress or strain on the muscles or body, which can sometimes be beneficial for health and muscle tone.

Frequency

The rate at which a cycle or a vibrating pattern occurs, typically measured in hertz (Hz), and applicable in various contexts such as sound, light, and electrical impulses.