Projections

Question 1

Anteroposterior Projection

Answer 1

Enters the anterior body surface and exits the posterior body surface.

Question 2

Posterioanterior Projection

Answer 2

Enters the posterior body surface and exits the anterior body surface.

Question 3

Axial Projection

Answer 3

There is longitudinal angulation of the central ray with the long axis of the body or a specific body part. This angulation is based on the anatomic position and is most often produced by angling the central ray cephalad or caudad.

Question 4

Tangential Projection

Answer 4

When the ray is directed toward the outer margin of a curved body surface to profile a body part just under the surface and project it free of superimposition.

Question 5

Lateral Projection

Answer 5

The arty enters one side of the body or body part, passes transversely alone the coronal plane and exits on the opposite side.

Question 6

Oblique Projection

Answer 6

The central ray enters the body or body part from a side angle rolling an oblique plane. Can be name for AP or OA depending on what side the ray enters.