26 Questions
How are digested products primarily transported from the digestive canal into the bloodstream?
Through blood plasma
What is the main route for the transport of digested products into the bloodstream?
Blood vessels
Which of the following circulatory systems is NOT involved in transporting digested products from the digestive canal?
Respiratory system
During absorption, where do the digested products pass into before entering the blood plasma?
Interstitial fluid
What is the main destination where the digested products are carried once they enter the blood plasma during absorption?
Tissues
What is the outer layer of the esophagus called?
Adventitia
Which structure secretes mucus to lubricate the esophagus?
Submucosa
In the gastrointestinal tract (GIT), which sphincter connects to the stomach?
Pyloric sphincter
What is the shape of the stomach?
J-shaped
What is the function of the stomach in the digestive process?
Converting bolus into chyme
What is the main function of the Splanchnic Circulation?
Supply the digestive organs with blood
Which arteries serve the small and large intestines?
Mesenteric arteries
What is the main function of the Enteric Nervous System (ENS)?
Control digestive canal motility
Where does the hepatic portal circulation collect blood from?
Digestive viscera
What is the main role of the Submucosal plexus in the digestive canal?
Control digestive canal secretion
Where is the Myenteric plexus located and what does it primarily control?
Between smooth muscle layers, controls digestive canal motility
What happens to the feces when they reach the rectum?
They are stretched and send a message to the spinal cord
What is the result of holding feces and the walls absorbing the water in it?
Constipation
What is the function of the external sphincter during defecation?
To relax and open the anus
What is the sequence of events during the defecation reflex?
Feces reach rectum, spinal cord sends message, external sphincter relaxes
What is the purpose of the hepatic flexure in the large intestine?
To store feces temporarily
What is the primary function of the pylorus?
Separation of the stomach and duodenum via the pyloric valve
Which of the following is not secreted by the stomach?
Bile
What is the role of gastric lipase in the stomach?
Digestion of fats
What is the purpose of the stomach acting as a reservoir for food?
To prepare food for release into the small intestine
What is the function of intrinsic factor in the stomach?
Absorption of vitamin B12
This quiz covers the process of absorption, which involves the passage of digested products from the digestive canal into blood plasma and lymph plasma.
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