RAD 140 MIDTERMS REVIEW QUESTIONS AND
ANSWERS
What anatomy is demonstrated in a c-spine projection at 90° and at 45°? - Answers -
45°= intervertebral foramina
90°= Z-joints
How many bones make up the adult vertebral column? - Answers - 26
Which landmark should be aligned for an AP open mouth projection of the C-spine? -
Answers - The lower margin of the upper inscisors and the occipital bone.
The wides level of the thorax occurs at what rib level? - Answers - 8-9
Which position of the SI joint would demonstrate the Right SI joint? - Answers - LPO
Name 2 characteristics of a male pelvis and 2 of the female pelvis? - Answers - Female
pelvis: (is wider, with the ilia more flared and more shallow from front to back, angle of
the pubic arch is obtuse or greater than 90°)
Male pelvis: (is narrower, deeper, and less flared, the pubic arch usually forms an acute
angle of less than 90°)
Name the parts of the sternum? - Answers - Manubrium, Body, Xiphoid process, sternal
angle.
Where is the CR placed for an AP projection of the pelvis? - Answers - Midway between
the symphisis pubis and ASIS.
Where is the CR located for a lateral coccyx projection? - Answers - 4" posterior from
the upside ASIS, and 2" inferior
Which position will best demonstrate the RT anterior ribs on an OBL rib projection? -
Answers - LAO
How much obliquity is necessary to demonstrate the upper, middle and lower Lumbar
vertebrae? - Answers - upper=50°
Middle=45°
Lower=30°
When is the swimers necessary on a C-spine series? - Answers - When C-7/T-1 is not
visible on the lateral C-spine
2 different methods used for hip localization? - Answers - 1-2" medial and 3-4" inches
distal to the ASIS
ANSWERS
What anatomy is demonstrated in a c-spine projection at 90° and at 45°? - Answers -
45°= intervertebral foramina
90°= Z-joints
How many bones make up the adult vertebral column? - Answers - 26
Which landmark should be aligned for an AP open mouth projection of the C-spine? -
Answers - The lower margin of the upper inscisors and the occipital bone.
The wides level of the thorax occurs at what rib level? - Answers - 8-9
Which position of the SI joint would demonstrate the Right SI joint? - Answers - LPO
Name 2 characteristics of a male pelvis and 2 of the female pelvis? - Answers - Female
pelvis: (is wider, with the ilia more flared and more shallow from front to back, angle of
the pubic arch is obtuse or greater than 90°)
Male pelvis: (is narrower, deeper, and less flared, the pubic arch usually forms an acute
angle of less than 90°)
Name the parts of the sternum? - Answers - Manubrium, Body, Xiphoid process, sternal
angle.
Where is the CR placed for an AP projection of the pelvis? - Answers - Midway between
the symphisis pubis and ASIS.
Where is the CR located for a lateral coccyx projection? - Answers - 4" posterior from
the upside ASIS, and 2" inferior
Which position will best demonstrate the RT anterior ribs on an OBL rib projection? -
Answers - LAO
How much obliquity is necessary to demonstrate the upper, middle and lower Lumbar
vertebrae? - Answers - upper=50°
Middle=45°
Lower=30°
When is the swimers necessary on a C-spine series? - Answers - When C-7/T-1 is not
visible on the lateral C-spine
2 different methods used for hip localization? - Answers - 1-2" medial and 3-4" inches
distal to the ASIS
