ARRT Domain 6: Head, Spine and Pelvis Procedures Welcome to your ARRT Domain 6: Head, Spine and Pelvis Procedures 1. ARRT: Head Spine and Pelvis Procedures For a lateral projection of the cervical spine, what is the optimal degree of flexion for the chin to ensure adequate visualization of the C1 and C2 vertebrae? A. 15 degrees B. 20 degrees C. 25 degrees D. 30 degrees None 2. ARRT: Head Spine and Pelvis Procedures In an AP axial projection of the coccyx, the central ray should be angled how many degrees cephalad? A. 10 degrees B. 15 degrees C. 20 degrees D. 25 degrees None 3. ARRT: Head Spine and Pelvis Procedures When performing a Towne projection of the skull, what is the recommended degree of angulation for the central ray to optimally visualize the occipital bone? A. 30 degrees caudad B. 37 degrees caudad C. 45 degrees caudad D. 50 degrees caudad None 4. ARRT: Head Spine and Pelvis Procedures For a lateral lumbar spine radiograph, what is the ideal position of the knees and hips to reduce the curvature of the spine? A. Flexed 20 degrees B. Flexed 30 degrees C. Flexed 45 degrees D. Flexed 60 degrees None 5. ARRT: Head Spine and Pelvis Procedures In the AP axial projection of the cervical spine, what is the appropriate angle of the central ray to best demonstrate the intervertebral foramina? A. 15 degrees cephalad B. 20 degrees cephalad C. 25 degrees cephalad D. 30 degrees cephalad None 6. ARRT: Head Spine and Pelvis Procedures During a lateral projection of the sacrum, how should the central ray be oriented in relation to the patient's body? A. Perpendicular to the IR B. 15 degrees cephalad C. 15 degrees caudad D. Parallel to the lumbar spine None 7. ARRT: Head Spine and Pelvis Procedures What is the correct central ray entry point for an AP open mouth projection of the C1 and C2 vertebrae? A. The level of the lips B. The base of the nose C. The tip of the chin D. The level of the gonion None 8. ARRT: Head Spine and Pelvis Procedures For an AP axial (Ferguson) projection of the sacroiliac joints, the central ray should be angled in which direction and by how many degrees? A. 15 degrees cephalad B. 25 degrees cephalad C. 30 degrees caudad D. 35 degrees caudad None 9. ARRT: Head Spine and Pelvis Procedures What is the optimal central ray location for a lateral projection of the S1-S2 segment of the sacrum? A. 1 inch medial to the ASIS B. Midway between the ASIS and the pubic symphysis C. 2 inches superior to the pubic symphysis D. 1 inch superior to the iliac crest None 10. ARRT: Head Spine and Pelvis Procedures In a submentovertex (SMV) projection of the skull, what is the angle between the image receptor and the long axis of the skull? A. 60 degrees B. 68 degrees C. 75 degrees D. 90 degrees None 11. ARRT: Head Spine and Pelvis Procedures For the Ferguson method of lumbar spine imaging, what is the recommended central ray angle for a lateral L5-S1 projection? A. 5 degrees cephalad B. 5 degrees caudad C. 10 degrees cephalad D. 10 degrees caudad None 12. ARRT: Head Spine and Pelvis Procedures When conducting a lateral skull radiograph, what is the optimal distance between the patient's head and the image receptor to minimize distortion? A. 40 inches B. 48 inches C. 60 inches D. 72 inches None 13. ARRT: Head Spine and Pelvis Procedures In the AP projection of the pelvis, what is the purpose of placing a support under the patient's knees? A. To reduce the curvature of the lumbar spine B. To prevent rotation of the pelvis C. To align the pelvic brim parallel to the image receptor D. To increase patient comfort None 14. ARRT: Head Spine and Pelvis Procedures For a PA Caldwell projection of the skull, what is the degree of angulation for the central ray? A. 15 degrees caudad B. 20 degrees caudad C. 25 degrees caudad D. 30 degrees caudad None 15. ARRT: Head Spine and Pelvis Procedures What is the central ray alignment for a lateral projection of the odontoid process through the open mouth? A. Perpendicular to the image receptor B. 5 degrees caudad C. 10 degrees cephalad D. 15 degrees cephalad None 16. ARRT: Head Spine and Pelvis Procedures In a lateral projection of the cervical spine, how should the shoulders be positioned to avoid superimposition on the C7-T1 vertebrae? A. Elevated B. Depressed C. Rotated anteriorly D. Rotated posteriorly None 17. ARRT: Head Spine and Pelvis Procedures For an anteroposterior (AP) axial projection of the cervical spine 'the "wagging jaw" method', how should the patient's head be moved during the exposure? A. Rotated side to side B. Nodded up and down C. Tilted from shoulder to shoulder D. Kept stationary None 18. ARRT: Head Spine and Pelvis Procedures When performing an AP projection of the coccyx, where should the central ray be centered? A. At the level of the iliac crest B. 2 inches above the pubic symphysis C. At the level of the ASIS D. Midway between the ASIS and the pubic symphysis None 19. ARRT: Head Spine and Pelvis Procedures What is the optimal central ray location for a lateral projection of the S1-S2 segment of the sacrum? A. 1 inch medial to the ASIS B. Midway between the ASIS and the pubic symphysis C. 2 inches superior to the pubic symphysis D. 1 inch superior to the iliac crest None 20. ARRT: Head Spine and Pelvis Procedures In the AP projection of the pelvis, what is the purpose of placing a support under the patient's knees? A. To reduce the curvature of the lumbar spine B. To prevent rotation of the pelvis C. To align the pelvic brim parallel to the image receptor D. To increase patient comfort None 1 out of 20 Time is Up! Time's up
