Exam 47: The Digestive System

A new mammal has been discovered in the thickly-forested mountains of Papua New Guinea.The squirrel-like animal lives in the canopy of the forest and has a diet rich in leaves.On occasion, however, the animal drops to the ground to quickly fill its cheeks with its own fecal droppings, for ingestion once it is safely back in the trees.The GI tract of this animal would most likely include ____________.

If a person is diagnosed with lactose intolerance, which of the following is likely?

Which of the following represents the correct order of adult human teeth, beginning at the front and moving right along the bottom jaw?

The activities of cells in different layers of the tubular gastrointestinal tract are regulated by clusters of nerves located in the submucosa.These nerve complexes are called

A baby is born without the ability to make chief cells.What would be the best type of diet for this baby?

Pancreatic secretion of bicarbonate is stimulated by _____.

The luminal contents of the same organ that secretes the hormone into the blood inhibits the further release of ______.

Which process in the diagram causes the greatest insulin release?

The secretion of pepsinogen and HCl is controlled by the hormone

In humans, the surface area of the small intestine is

A baby is born without the ability to make parietal cells.This baby would not be able to ___.

The liver produces ________ that functions in emulsification of fats.

The products of fat digestion in the small intestine are reassembled into triglycerides by the intestinal epithelium, before combining them with proteins to form ___________.

The gizzard is to a bird as the _____________ is/are to a mammal.

Place the processes occurring in the digestive tract in the correct order.I-Peristaltic waves of contraction propel the food along the esophagus.II-Gastric juices are secreted with the arrival of food into the duodenum.III-The acidic chyme is transferred through the pyloric sphincter.IV-HCl and pepsin begin digestion of proteins into shorter polypeptides.

The pancreas is an important accessory organ of the digestive system because it adds all of the following substances to the small intestine except

Which molecule is not able to be absorbed across the stomach wall?

When diet and exercise has failed to produce any significant weight loss, some patients who are seriously overweight elect to have stomach surgery.A procedure galled gastric sleeve surgery removes more than half of the stomach, leaving a tube (or sleeve) about the size of a banana.Following gastric sleeve surgery, patients would have the least trouble ____.

Because of the hepatic portal vein, the _____ is the first organ to receive most of the products of digestion.

Which process in the diagram would occur the most after eating a fatty meal of french fries and ice cream?