Edition. Part 4 Questions With Complete

Chapter 11: Cranium Long: Merrill’s Atlas of Radiographic Positioning and Procedures, 14th Edition. Part 4 Questions With Complete Solutions The figure below demonstrates the _____ method.

• Haas
• Stenvers
• Waters
• reverse Waters - Correct Answers ✅c. Waters

All of the following are clearly demonstrated on the

parietoacanthial projection (Waters method), except:

• foramen magnum.
• orbits.
• zygomatic arches.
• maxillae. - Correct Answers ✅a. foramen magnum.

The parietoacanthial projection (Waters method) of the facial bones is often modified so that there is less angulation of the facial bones. For this modification, the orbitomeatal line is adjusted to _____ degrees.

• 30
• 37
• 55 1 / 2

Chapter 11: Cranium Long: Merrill’s Atlas of Radiographic Positioning and Procedures, 14th Edition. Part 4 Questions With Complete Solutions

• 60 - Correct Answers ✅c. 55

Which of the following is placed perpendicular to the image receptor for the acanthoparietal projection (reverse Waters method) of the facial bones?

• Mentomeatal line
• Infraorbitomeatal line
• Acanthiomeatal line
• Glabellomeatal line - Correct Answers ✅a. Mentomeatal

line The central-ray angulation for the reverse Waters method when OML is properly positioned

is:

• 0 degrees.
• 15 degrees.
• 30 degrees to the acanthiomeatal line.
• 37 degrees to the acanthiomeatal line. - Correct Answers

✅a. 0 degrees.

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