Davie's: Part 10 GI Tract questions with complete solutions

430. You are imaging the gut with a high-resolution transducer. How many layers do you except to see in a good imaging of the gut? a. 1 b. 2 c. 3 d. 4 e. 5 CORRECT ANSWERS: e. 5 431. During abdominal sonography of a 68-year-old male, you suspect an exophytic mass arising from the stomach. Which technique qill be most useful in analysis of this mass? a. scan the area while the patient performs a valsalva maneuver b. perform compression sonography over the suspicious area c. scan the patient in both inspiration and expiration d. rescan the patient following ingestion of a fatty meal e. scan the patient in a trendelenburg position CORRECT ANSWERS: b. perform compression sonography over the suspicious area 432. You have been asked to evaluate a suspicious gut mass with color and spectral Doppler. What is the role of Doppler in evaluation of gut masses? a. color Doppler is definitive in determination if a mass is benign or malignant b. color Doppler is used to identify regions of peristalsis c. color Doppler is useful to identify the layers of the gut d. color Doppler aids in differentiation between ischemic and inflammatory gut masses e. there is no role for color or spectral Doppler in the evaluation of the GI tract CORRECT ANSWERS: d. color Doppler aids in differentiation between ischemic and inflammatory gut masses 433. What is the most common malignant tumor of the GI tract? a. adenocarcinoma b. mesenchymal tumors c. lymphoma d. metastatic tumors e. cystadenocarcinoma CORRECT ANSWERS: a. adenocarcinoma 434. Which of the following best describes an abnormal sonographic appearance of the gut? a. target b. asymmetric target c. pseudokidney d. a and b only e. all of the above CORRECT ANSWERS: e. all of the above 435. You have detected an exophytic mass attached