Which Positioning Line Must Be Placed Perpendicular to the Plane

question 88

Multiple Choice

Which positioning line must be placed perpendicular to the plane of the IR for an AP projection of the upper airway?

• A)Mentomeatal
• B)Midcoronal
• C)Acanthiomeatal
• D)Orbitomeatal

---

Definitions:

Ascocarp

The fruiting body of an ascomycete.

Fruiting Body

The reproductive structure of fungi and other plants which releases spores.

Chitin

A long-chain polymer of a glucose derivative, which is a principal component of the cell walls of fungi and the exoskeletons of insects and crustaceans.

Asci

Specialized spore-bearing cells found in the fruiting bodies of ascomycete fungi.