CBP CBP Radiographic Analysis 1

Question 1

Which radiographic projection is the standard view used in CBP to measure cervical lordosis?

Accepted Answer

Lateral cervical view in neutral position

Answer

AP open mouth view

Answer

Oblique cervical view

Answer

Flexion-extension lateral view

Question 2

In CBP radiographic analysis, what does a positive Cobb angle measurement indicate when applied to the lumbar spine?

Accepted Answer

The degree of sagittal curvature (lordosis or kyphosis) measured between the superior endplate of L1 and the inferior endplate of L5

Answer

The presence of scoliosis only

Answer

The degree of rotational malposition

Answer

The extent of disc space narrowing

Question 3

What is the primary purpose of a full-spine AP radiograph in CBP evaluation?

Accepted Answer

To measure and document coronal plane (frontal) spinal alignment and detect lateral translations or scoliosis

Answer

To assess disc hydration levels

Answer

To evaluate facet joint arthritis

Answer

To identify spinal cord compression

Question 4

In CBP, what is the 'posterior tangent method' used to measure?

Accepted Answer

Individual vertebral body angular position relative to a true vertical or horizontal reference on lateral radiographs

Answer

Disc herniation size on MRI

Answer

Paraspinal muscle cross-sectional area

Answer

Ligamentous laxity under stress views

Question 5

Which radiographic landmark is used to establish the horizontal reference line in a standing lateral lumbar radiograph during CBP analysis?

Accepted Answer

The S1 superior endplate or sacral base

Answer

The top of the iliac crest

Answer

The L3 inferior endplate

Answer

The femoral head center

Question 6

When measuring the atlas plane line (APL) on an AP radiograph in CBP, what is being assessed?

Accepted Answer

The lateral tilt of the C1 vertebra relative to a true horizontal reference line

Answer

The rotation of C1 around the dens

Answer

The distance from C1 to the skull base

Answer

The position of the atlas transverse process relative to C2