Open Question
Increased parasympathetic stimulation of the intestine would result in (a) decreased motility, (b) decreased secretion, (c) decreased sensitivity of local reflexes, (d) decreased segmentation, (e) none of these.
23. The Digestive System
Introduction to the Digestive System
Multiple Choice
Which of the following statements about the mesentery is INCORRECT?
A
It is composed of a layer of serous membrane fused with a layer of mucous membrane.
B
It provides a route for blood vessels, lymphatics, and nerves to reach the digestive viscera.
C
It holds the organs of the abdomen in place.
D
Omenta is the special name for part of the mesentery extending from the curvatures of the stomach.
Verified step by step guidance1
Understand the structure and function of the mesentery: The mesentery is a fold of tissue that attaches the intestines to the posterior abdominal wall, providing support and containing blood vessels, nerves, and lymphatics.
Identify the components of the mesentery: The mesentery is composed of two layers of peritoneum, which is a serous membrane. It does not include a mucous membrane layer.
Evaluate the statement about the mesentery providing a route for blood vessels, lymphatics, and nerves: This is a correct statement as the mesentery serves as a conduit for these structures to reach the digestive organs.
Consider the statement about the mesentery holding abdominal organs in place: This is also correct, as the mesentery helps stabilize the position of the intestines and other abdominal organs.
Analyze the statement regarding omenta: The omenta are indeed specialized parts of the mesentery that extend from the stomach, specifically the greater and lesser omenta, which are extensions of the peritoneum.
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