PROJECTIONS

Question 1

PROJECTIONS

Answer 1

Radiographic projections describe the path of the central ray (CR, principle beam ofx-rays) as it travels from the x-ray tube, through the patient, to the IR.

Question 2

Posteroanterior (PA) projection

Answer 2

CR enters posterior surface, exits anterior surface

Question 3

Anteroposterior (AP) projection

Answer 3

CR enters anterior surface, exits posterior surface

Question 4

Left lateral projection

Answer 4

CR enters left side (patient is in a right lateral position)

Question 5

Right lateral projection

Answer 5

CR enters right side(patient is in a left lateral position)

Question 6

Lateromedial & mediolateral projections

Answer 6

utilized in. extremity radiography to indicate if the CR enters the medial or lateral side of the limb or part.

Question 7

AP oblique projections

Answer 7

The CR enters the anterior surface of the body (patient is in an RPO or LPO position)

Question 8

PA oblique projections

Answer 8

The CR enters the posterior surface of the body (patient is in an RAO or LAO position)