ARRT PRACTICE EXAM – SPINE QUESTIONS AND ANSWERS A+

ARRT PRACTICE EXAM – SPINE QUESTIONS AND ANSWERS A+ How many vertebrae are located in the cervical region of the spine? - ANS-7 What is the odontoid process and where is it located? - ANS-A toothlike projection on the superior surface of C2 When taking an AP axial projection of the cervical spine, the central ray is directed: - ANS-15 degrees cephalad What is the rationale for using a 72-inch SID for the lateral projection of the cervical spine? - ANS- This SID helps to overcome the magnification caused by the increased OID of the position What anatomic structures of the cervical spine are best demonstrated by the lateral projection? - ANS- Zygapophyseal joints What is the proper central ray angle and direction for the AP oblique projections of the cervical spine? - ANS-15 degrees cephalad What is the proper patient position for an AP oblique projection of the cervical spine? - ANS-a 45- degree posterior oblique position What anatomic structures are best demonstrated by the PA oblique projections of the cervical spine? - ANS-Intevertebral foramina closer to the IR How many vertebrae make up the thoracic spine? - ANS...