RTBC-Spine

Question 1

The normal adult skeleton demonstrates how many thoracic vertebrae?

Answer 1

12 vertebrae

Question 2

An anterior oblique projection of the cervical spine would demonstrate:

Answer 2

pedicles and intervertebral foramina

Question 3

What is the appropriate breathing technique for an anteroposterior (AP) or posteroanterior (PA) image of the spine for scoliosis evaluation?

Answer 3

suspend respiration

Question 4

Which of the following structures are best demonstrated on the lateral projection of the thoracic spine?

Answer 4

intervertebral foramina

Question 5

Which anatomy is best demonstrated in the lateral projection of the cervical spine?

Answer 5

intervertebral joints and zygapophyseal joints

Question 6

The medical condition, Spondylolisthesis refers to:

Answer 6

forward slipping of the vertebra on the one below it

Question 7

What is the correct central ray angulation and entrance point for an anteroposterior (AP) axial projection of the coccyx?

Answer 7

10 degrees caudad, 2 inches superior to pubic symphysis

Question 8

What is the single most valuable projection to obtain for a trauma patient when there is a concern for the cervical spine?

Answer 8

lateral

Question 9

Right and left bending (lateral flexion) images of the lumbar spine demonstrate the:

Answer 9

range of motion of the lumbar spine

Question 10

The natural curvature of the thoracic spine is:

Answer 10

kyphotic

Question 11

Which position would result in the least object-to-image receptor distance (OID) when the right lumbar zygapophyseal joints are the area of interest?

Answer 11

right posterior oblique (RPO)

Question 12

When obtaining a lateral projection of the lumbar vertebrae, it is necessary to support the spine in a horizontal position to:

Answer 12

prevent overlapping of the intervertebral disc spaces

Question 13

In the lateral position, how far posterior is the sacrum in relation to the anterior superior iliac spine (ASIS) in the sthenic patient?

Answer 13

3.5 inches

Question 14

Where is the central ray entrance point for anteroposterior (AP) oblique projection of the lumbar spine?

Answer 14

2 inches medial to the elevated anterior superior iliac spine (ASIS) and 1.5 inches above the iliac crest

Question 15

A patient has been transported by ambulance to the emergency room (ER) on a trauma backboard. The patient should not be removed from the board until all:

Answer 15

fractures have been ruled out

Question 16

Which portion of the vertebral arch is situated between the body and the transverse process of a lumbar vertebra?

Answer 16

pedicle

Question 17

Which portion of the spine contains demifacets?

Answer 17

thoracic

Question 18

The interface between the first and second sacral vertebrae (S1/S2) is located at the level of the:

Answer 18

anterior superior iliac spine (ASIS)

Question 19

When performing an erect lateral scoliosis radiograph, which side of the patient should be placed closest to the IR?

Answer 19

the side of the patient with the greatest convexity

Question 20

The posterior portion of the vertebral arch that lies between the transverse process and the spinous process is the:

Answer 20

lamina