CNSC questions with correct answers

What effect does fiber have on GI transit time? a. Dietary fiber results in delayed gastric emptying b. The effects of fiber in the upper GI tract do not differ from the effects of fiber in the colon c. Fiber in the distal ileum increases gastric emptying d. Consumption of insoluble fiber and the presence of fiber in the distal ileum results in delayed gastric emptying by intensifying inhibitory feedback from the distal gut CORRECT ANSWER A. Dietary fiber results in delayed gastric emptying Which of the following tests does not reflect selenium status? A. Plasma selenium level B. Erythrocyte Concentration C. Plasma glutathione peroxidase D. methionine CORRECT ANSWER D. Methionine Treatment for gastric phytobezoars includes all of the following except? a. flushing with cola b. enzymatic therapy with cellulase c. meat tenderizer that contains papain d. surgical removal of the bezoar CORRECT ANSWER C. Meat tenderizer that contains papain Which of the following is a true statement about the effects of dietary fiber on the GI tract? a. Faster transit time throughout