Exam 42: Animal Digestive Systems

Jahasz-Pocsine and co-workers found a correlation between gastric bypass surgery and neurological complications. In gastric bypass surgery, the stomach can be made smaller so as to hold less food and thus promote weight loss. Surgeons performed gastric bypass surgery on 150 patients at the University of Arkansas for Medical Sciences Neurology Clinic. Of the 150 patients, 26 experienced neurological complications related to the surgery. What is the most likely cause for the neurological complications?

Each of three groups of cyclists had a different diet: high-carbohydrate; a mix of carbohydrates, fat, and protein; or high in protein and fat. The blood glucose levels of the riders over a six-hour period after consuming each diet is shown in the accompanying graph. Which statement best summarizes the data in the graph?

Nutrient-rich blood from the intestine is carried to the liver via which vessel?

If you were to jog 1 km a few hours after lunch, which stored fuel would you probably tap?

Which statement best describes why mechanical digestion, the process of breaking down large chunks of food into smaller pieces, is an important digestive process?

Which of the following correctly describes the function of chylomicrons?

The following table shows the contents of a multivitamin supplement and its percentage of recommended daily values (% DV). The most likely reason that some of the vitamins and minerals in this supplement are found at less than 100% is that ________.

Which of the following statements is true regarding the digestive system in mammals?

Over-the-counter medications for acid reflux or heartburn block the production of stomach acid. Which of the following cells are directly affected by this medication?

Which statement best explains how the absorption of fats differ from that of carbohydrates?

Which of the following is the fate of organic molecules that are absorbed in digestion but not immediately used for metabolism in an organism?

Which of the following happens to the production of insulin and glucagon in a healthy person after eating a carbohydrate-rich meal?

Which of the following is a difference between vitamins and minerals?

Which statement best describes why cells of the digestive system secrete proteolytic enzymes, such as pepsin, in their inactive forms?

Which process does the large surface area in the intestine make more efficient?

Megaloblastic anemia results from a vitamin deficiency and causes abnormalities in red blood cell production and neurological issues. Megaloblastic anemia may be caused by a deficiency in which of the following vitamins?

Which statement best describes what secretions of the parietal cells do upon activation by stomach acidity?

Researchers sequenced bacterial DNA found in the stomachs of humans to analyze the human microbiome. They compared the microbiomes of stomachs from healthy humans to those of stomachs from humans infected by H. pylori. What can you conclude from these data?

Which of the following molecules provides the greatest energy storage for animals?

Examine the digestive system structures in the figure. In which labeled structure does the digestion of fats occur?