Zander is trying to determine the correct answer on a multiple-choice test. he has eliminated two of the four answer options because they do not fit the question, and now he is trying to recall what he knows about the question. which two parts of zander’s brain are working to perform these operations?

This patient undergoes a gallbladder sonogram due to epigastric pain. the report indicates that the visualized portions of the liver are normal. no free fluid noted within morisons pouch. the gallbladder is identified and is empty no evidence of wall thickening or surrounding fluid is seen there is no ductal dilation. the common hepatic duct and common bile duct measure 0.4 and 0.8 cm respectively. the common bile ductmeasurement is at the upper limits of normal what cpt code in icd-10 cm code was used