RADR 1311 CH 3 ABDOMEN EXAM QUESTIONS AND CORRECT ANSWERS 100% VERIFIED!! UPDATED 2027

RADR 1311 CH 3 ABDOMEN EXAM QUESTIONS AND CORRECT ANSWERS 100% VERIFIED!! UPDATED 2027 The iliac crest corresponds with the _____ vertebral level. a. L1 b. L2-3 c. T12 d. L4-5 - ANSWER -d. L4-5 Which of the following topographic landmarks corresponds to L2-3 vertebral level? a. Xiphoid process b. Inferior costal margin c. Jugular notch d. ASIS - ANSWER -b. Inferior costal margin The preferred imaging modality for examining the gallbladder is: a. sonography. b. nuclear medicine. c. barium enema study. d. MRI. - ANSWER -a. sonography. The technologist most often _____ manual, analog exposure factors for a patient with severe ascites. a. increases b. does not change c. decreases d. switches to automatic exposure control (AEC) instead of - ANSWER -a. increases At what level should the central ray (CR) be placed for a left lateral decubitus projection of the abdomen? a. Iliac crest b. 2 inches (5 cm) above iliac crest c. ASIS d. Umbilicus - ANSWER -b. 2 inches (5 cm) above iliac crest A 16-year-old female patient enters the emergency department (ED) with a possible kidney stone. She complains of pain in the right lower pelvis region. Which of the following options should be taken in regard to gonadal shielding? a. Do not use it. b. Use it on all projections if correctly placed. c. Use it on the preliminary projection only. d. Ask the patient or her parents for their permission to not shield the gonads. - ANSWER -a. Do not use it. A patient comes to radiology with a clinical history of an umbilical hernia. Which one of the following abdomen projections would best demonstrate it? a. AP erect abdomen b. Left lateral decubitus c. KUB d. Dorsal decubitus - ANSWER -d. Dorsal decubitus Where is the CR centered for the AP erect projection of the abdomen? a. Level of iliac crest b. Xiphoid process c. 2 inches (5cm) above iliac crest d. 2 inches (5cm) below iliac crest - ANSWER -c. 2 inches (5cm) above iliac crest Which of the following kVp ranges (digital system) is recommended for a KUB on an adult? a. 50 to 60 kVp b. 70 +/- 5 kVp c. 80 +/- 5 kVp d. 110 to 120 kVp - ANSWER -c. 80 +/- 5 kVp A radiograph of an AP KUB reveals that the obturator foramina are cut off from the bottom of the image. The kidneys and symphysis pubis are demonstrated. What centering adjustments should the technologist make to improve this image? a. Use two 14- x 17-inch (35- x 42-cm) cassettes landscape. b. Center the cassette 2 inches (5 cm) below the iliac crest. c. Open up the collimators to include the ischial tuberosities. d. This radiograph is correctly centered. No centering adjustments are necessary. - ANSWER -d. This radiograph is correctly centered. No centering adjustments are necessary. A patient is in the intensive care unit after abdominal surgery. The surgeon is concerned about a possible perforated bowel. The patient cannot stand or sit. Which of the following positions will best demonstrate any possible intra abdominal free air? a. Right lateral decubitus b. Dorsal decubitus c. Ventral decubitus d. Left lateral decubitus - ANSWER -d. Left lateral decubitus What CR centering should be used for a dorsal decubitus projection of the abdomen? a. At level of umbilicus b. 2 inches (5 cm) above iliac crest c. At level of iliac crest d. Place bottom of image receptor at level of ASIS. - ANSWER -b. 2 inches (5 cm) above iliac crest Which of the following factors must be observed for an AP erect abdomen projection? a. Collimate lower border to level of ASIS. b. Use a higher kVp technique. c. Patient needs to be upright a minimum of 5 minutes before imaging. d. Increase SID to 72 inches (180 cm) to minimize magnification. - ANSWER -c. Patient needs to be upright a minimum of 5 minutes before imaging.