ARRT Domain 7: Thorax and Abdomen Procedures Welcome to your ARRT Domain 7: Thorax and Abdomen Procedures 1. ARRT: Thorax and Abdomen Procedures For a lateral chest X-ray, where should the central ray (CR) be positioned? A. At the level of T7, midcoronal plane B. At the level of L1, midaxillary line C. At the level of T12, posterior axillary line D. At the level of C7, midclavicular line None 2. ARRT: Thorax and Abdomen Procedures In abdominal radiography, how should the patient's breathing be coordinated to reduce motion blur? A. Instruct the patient to hold their breath after a deep inspiration. B. Instruct the patient to hold their breath after a full expiration. C. Instruct the patient to exhale slowly during the exposure. D. Instruct the patient to breathe normally during the exposure. None 3. ARRT: Thorax and Abdomen Procedures What is the optimal kV range for a standard PA chest radiograph on an average adult? A. 55-65 kV B. 65-75 kV C. 85-95 kV D. 110-120 kV None 4. ARRT: Thorax and Abdomen Procedures Which of the following structures is best visualized in a left lateral decubitus abdominal radiograph? A. Free intraperitoneal air in the right upper quadrant B. Kidney stones in the left renal pelvis C. Gallstones in the gallbladder D. Calcifications in the aorta None 5. ARRT: Thorax and Abdomen Procedures For a lateral projection of the thoracic spine, how should the arms be positioned? A. Extended above the head B. Crossed over the chest C. Placed at the sides D. One arm raised and the other lowered None 6. ARRT: Thorax and Abdomen Procedures What is the primary reason for using a grid in thoracic spine radiography? A. To increase the exposure time B. To enhance contrast by absorbing scatter radiation C. To reduce the patient's radiation dose D. To magnify the image for better detail None 7. ARRT: Thorax and Abdomen Procedures When performing a supine abdominal radiograph, the top of the image receptor should be aligned with which anatomical landmark? A. The iliac crest B. The xiphoid process C. The symphysis pubis D. The costal margin None 8. ARRT: Thorax and Abdomen Procedures Which of the following is true regarding the exposure factors for a lateral decubitus abdomen radiograph? A. They should be similar to those used for a standing PA chest. B. The kV should be significantly lower than that used for a supine abdomen. C. The mAs should be increased compared to a supine abdomen to compensate for increased OID. D. The kV should be increased to ensure penetration through the lateral aspect of the abdomen. None 9. ARRT: Thorax and Abdomen Procedures For a PA projection of the chest, the shoulders are rolled forward to: A. Reduce the curvature of the thoracic spine. B. Move the scapulae laterally away from the lung fields. C. Decrease the distance between the chest and the image receptor. D. Align the intervertebral joints for better visualization. None 10. ARRT: Thorax and Abdomen Procedures In a KUB (Kidney, Ureter, and Bladder) radiograph, which of the following is NOT typically visualized? A. Psoas muscles B. Lower ribs C. Diaphragm D. Symphysis pubis None 11. ARRT: Thorax and Abdomen Procedures During a barium enema procedure, which position allows for the best visualization of the hepatic flexure and ascending colon? A. Left lateral decubitus B. Right lateral decubitus C. Supine D. Prone None 12. ARRT: Thorax and Abdomen Procedures Why is it important to use a breathing technique during a chest x-ray? A. To reduce the patient's anxiety B. To blur the heart and vascular markings C. To enhance the sharpness of the heart and vascular markings D. To increase the lung expansion None 13. ARRT: Thorax and Abdomen Procedures For a lateral projection of the cervical spine, how should the patient's head be positioned to best visualize the intervertebral foramina? A. Chin tilted upward B. Chin tilted downward C. Head turned to the left D. Head turned to the right None 14. ARRT: Thorax and Abdomen Procedures When imaging the thoracic spine using an anterior oblique position, which of the following structures is best demonstrated on the side closest to the image receptor? A. Zygapophyseal joints B. Intervertebral foramina C. Spinous processes D. Costovertebral joints None 15. ARRT: Thorax and Abdomen Procedures Which imaging modality is preferred for detailed evaluation of soft tissue structures in the thorax? A. X-ray B. Ultrasound C. MRI D. CT None 16. ARRT: Thorax and Abdomen Procedures What is the primary reason for performing an expiratory chest x-ray in addition to the standard inspiratory view? A. To assess lung volume B. To detect small pneumothoraces C. To evaluate diaphragm movement D. To measure heart size None 17. ARRT: Thorax and Abdomen Procedures During a barium swallow study, which position helps to elongate the esophagus and reduce overlapping of anatomical structures? A. Upright B. Prone C. Right anterior oblique (RAO) D. Left posterior oblique (LPO) None 18. ARRT: Thorax and Abdomen Procedures In pediatric abdominal radiography, why is it important to use a shorter exposure time? A. To reduce the risk of motion blur B. To increase image contrast C. To minimize radiation dose D. To enhance image resolution None 19. ARRT: Thorax and Abdomen Procedures What is the optimal positioning for a patient during a CT scan of the abdomen to reduce artifacts caused by respiratory motion? A. Supine with arms raised above the head B. Prone with arms alongside the body C. Left lateral decubitus with arms crossed over the chest D. Supine with breath-hold at end-inspiration None 20. ARRT: Thorax and Abdomen Procedures Which of the following is a key reason for using a high-frequency grid in abdominal radiography? A. To increase spatial resolution B. To reduce patient dose C. To enhance contrast by absorbing scatter radiation D. To decrease exposure time None 1 out of 20 Time is Up! Time's up
