Exam 16: The Digestive System

The esophagus connects to the smallest part of the stomach, known as the

Dave is under a lot of stress at his job and at home. Lately, he has begun to feel discomfort and a burning sensation in his abdomen following each meal. After consulting a doctor, he finds that he has developed a duodenal ulcer. He does not understand how being nervous would cause the ulcer. Explain the cause and effect in his case.

Which pancreatic digestive enzymes digest starches?

Which of the following is a water-soluble vitamin that is important in glucose metabolism?

________ are arranged within a lobule of the liver into a series of irregular, one-cell-thick plates radiating outward.

Figure 16-1 Structural Components of the Digestive Tract Use Figure 16-1 to identify the labeled part. -Label P represents which structure(s)?

Parietal cells secrete intrinsic factor and

Which of the following contains a crystalline form of calcium phosphate and is the hardest biologically manufactured substance?

Which gastric enzyme functions to coagulate milk, thus slowing its passage through the stomach?

The hormone secretin functions to

Which intestinal hormone stimulates contractions within the walls of the gallbladder and pushes bile into the small intestine?

Which hepatic cells are antigen-presenting cells that can stimulate an immune response?

The longest portion of the small intestine is the

Which of the following covers the dentin, providing protection and firmly anchoring the periodontal ligament?

Duodenal endocrine cells

Which of the following changes in the digestive system occurs with advancing age?

In the fundus and body of the stomach, gastric glands extend deep into the

Pancreatic enzymes and buffers are secreted by which of the following?

The ________ are conical teeth used for tearing or slashing.

Synthesis of plasma proteins is a major function of the