Textbook 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
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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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