12 Questions
Which of the following is NOT a major function of the gastrointestinal tract?
Excretion of waste
Which layer of the gastrointestinal tract wall contains the myenteric (Auerbach's) plexus?
Longitudinal muscle
What is the primary function of the submucous (Meissner's) plexus in the gastrointestinal tract?
To provide sensation
Which of the following glands is NOT directly connected to the gastrointestinal tract?
Adrenal glands
What is the main function of the myenteric (Auerbach's) plexus in the gastrointestinal tract?
To control motility
Which of the following is NOT a major component of the nervous control of gastrointestinal tract functions?
Endocrine system
Which plexus in the enteric nervous system mainly controls gastrointestinal movement?
Myenteric plexus
What is the function of the submucous plexus in the enteric nervous system?
Regulates blood flow
Which type of receptor in the gastrointestinal mucosa is stimulated by the chemical nature of food?
Chemoreceptors
Which neurotransmitter is the usual chemical transmitter in the gastrointestinal enteric nervous system?
Acetylcholine
Which division of the autonomic nervous system innervates the distal part of the large intestine?
Parasympathetic sacral division
What is the effect of stimulating the sympathetic nervous system on gastrointestinal activity?
Inhibits motility and secretion
This quiz covers an introduction to the Gastrointestinal Tract (GIT) in the field of Physiology by Dr. Nawal Khalil Ibrahim. It discusses the components of the GIT system, including the mouth, esophagus, stomach, small intestine, large intestine, liver, pancreas, and salivary glands, along with their functions such as digestion, secretion, and absorption.
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