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RTBC Abdomen Exam 2025 Questions and Answers Which is another name for the supine AP abdomen projection? - ....ANSWER☑️☑️...KUB (kidneys, ureters, bladder) What is the recommended SID for a routine supine AP abdomen? ....ANSWER☑️☑️...-40 inches Where should the central ray be directed for a supine AP abdomen radiograph on a stenic patient? - ....ANSWER☑️☑️...-iliac crest What anatomy is demonstrated on a diagnositic AP supine abdomen? ....ANSWER☑️☑️...-Lower diaphragm, pubic symphysis, soft tissue anatomy within abdominal cavity What is the correct breathing instruction for an AP supine abdomen? ....ANSWER☑️☑️...-Exhale and hold your breath When performing an erect AP abdomen, where should the CR enter the midsagittal plane? - ....ANSWER☑️☑️...-2 inches superior to the iliac crest What is the recommended SID for an AP upright abdomen? - ....ANSWER☑️☑️...40 inches for upright How is the midsagittal plane positioned for an AP upright abdomen radiograph? ....ANSWER☑️☑️...-Perpendicular to the IR …FOR STUDY PURPOSES ONLY…©️ 2025 ALL RIGHTS RESERVED… 1