Which of the following structures is used as a Sonographic landmark in locating the gallbladder fossa? a. Main portal vein b. Main lobar fissure c. Intersegmental fissure d. Ligamentum venosum CORRECT ANSWERS: B. Main lobar fissure Which of the following conditions is the most common cause of acute pancreatitis? a. Alcohol abuse b. Biliary disease c. Hyperlipidemia d. Parathyroid disease CORRECT ANSWERS: B - biliary disease Gerota fascia provides a protective covering around which of the following organs? a. Liver b. Spleen c. Kidney d. Prostate CORRECT ANSWERS: C - kidney Increased pressure within the portosplenic venous system will most likely lead to which of the following conditions? a. Fatty infiltration b. Intestinal angina c. Portal hypertension d. Portal vein thrombosis CORRECT ANSWERS: C - portal hypertension Normal diameter of the main portal vein should not exceed? a. 0.3 cm b. 0.5 cm c. 1.3 cm d. 2.0 cm CORRECT ANSWERS: C - 1.3 cm The integrity of which of the following structures is evaluated with the Thompson test? a. Calf muscle