Author Question: A lateral cranial projection with accurate positioning demonstrates the 1. sella turcica in ... (Read 59 times)

Mimi · **on:** Jul 17, 2018

A lateral cranial projection with accurate positioning demonstrates the

1. sella turcica in profile.
2. right orbital roof slightly superior to the left orbital roof.
3. dorsum sellae within the foramen magnum.
4. mandibular rami superimposed.
a. 1 and 4 only
b. 3 only
c. 1, 2, and 4 only
d. 4 only

Question 2

An AP axial (Towne method) cranial projection with poor positioning demonstrates a foreshort-ened dorsum sellae and the atlas's posterior arch within the foramen magnum. How was the posi-tioning setup mispositioned for such a projection to be obtained?

1. The patient's face was rotated toward the right side.
2. The chin was not adequately tucked.
3. The OML was not aligned perpendicular to the IR.
4. The central ray was angled too caudally.
a. 1 and 3 only
b. 2 and 4 only
c. 2 and 3 only
d. 3 and 4 only