Which of the Following Describes the Correct Head Positioning for a Panoramic

question 33

Multiple Choice

Which of the following describes the correct head positioning for a panoramic radiograph?

• A) Midsaggital plane parallel to the floor and ala-tragus line perpendicular to the floor
• B) Frankfort plane and midsaggital plane perpendicular to the floor
• C) Ala-tragus line parallel to the floor and Frankfort plane 5 degrees toward the floor
• D) Frankfort plane parallel to the floor and midsaggital plane perpendicular to the floor

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Definitions:

Mantle Upwelling

The process where hotter and more buoyant material rises towards the Earth's surface from the mantle, often affecting tectonic activity.

Continental Rift

A continental rift is a linear zone where the Earth's crust and lithosphere are being pulled apart, often leading to the formation of a new ocean basin.

Andes

A major mountain range in South America that extends over 7,000 km, known for its volcanic activity and diverse ecosystems.

Continental Shelf

The extended perimeter of each continent, lying relatively shallow in the ocean, where the seabed is at a gentle slope before a steep drop off to the ocean floor.