Exam 25: The Digestive System

For the majority of the GI tract, which layer(s)of the wall contains smooth muscle?

The pancreatic ducts secrete buffers such as ________.

A woman who had a cesarean section several weeks previously was recovering well until she began to gain weight rapidly and had great distention of the abdominal cavity. Other symptoms include abdominal tenderness and soreness. From what condition is she likely suffering, and what is/are the cause(s)?

Figure 25.1 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label G.

In areas where the digestive tract is not covered in serosa (pharynx, esophagus, and rectum)it is covered by a dense network of collagen fibers known as which of the following?

Lacteals are found in which layer of each villus of the small intestine?

The region of the stomach at which the esophagus contacts the lateral surface of the stomach is called the cardia, so named because of its proximity to the heart.

The areolar connective tissue found deep in the epithelial lining of the digestive tract is called ________.

The majority of nutrient absorption occurs in which subdivision of the small intestine?

Figure 25.1 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label V.

Which feature is seen on the medial surface of the stomach?

The ________ is the region of the stomach, which extends to the entrance to the duodenum and whose muscular sphincter regulates the passage of materials into the duodenum.

Figure 25.1 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label D.

Figure 25.1 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label I.

Which subdivision of the small intestine is connected to the pylorus?

Which of the following is the deepest muscular layer of the stomach?

The basic functional unit of the liver is (the)________.

An eight-year-old boy comes home from school feeling feverish and complaining of a sore and swollen throat and cheeks. What common childhood infection might he have contracted? If he must have this condition, why is it better for him to have it this year than ten or more years later and what other complications could exist?

Bile ejection from the gallbladder occurs under stimulation of the hormone ________, which is released into the bloodstream at the duodenum when chyme arrives containing large amounts of lipids and partially digested proteins.

Deep to the lamina propria of the mucosa of the pharynx lies a dense layer of elastic fibers, which are bound to the underlying skeletal muscles involved in swallowing.