29 Questions
Which part of the digestive system is primarily responsible for moistening the food and beginning digestion due to its enzymatic content?
Oral cavity
What is the primary function of the parotid and submandibular glands in the digestive system?
Secreting digestive enzymes
Which part of the digestive system is responsible for the storage and concentration of bile produced by the liver?
Gallbladder
In which part of the digestive system does the actual digestion and absorption of nutrients take place?
Jejunum
What is the main function of the large intestine in the digestive system?
Absorption of water and electrolytes
Which part of the digestive system is responsible for producing digestive enzymes and bicarbonate to neutralize stomach acid?
Pancreas
Where is the uvula located?
At the end of the soft palate
Which part of the oral cavity is composed mainly of skeletal muscle fibers?
Tongue
What is the main function of the laryngopharynx?
Communicates with the larynx and esophagus
In which part of the digestive tube is the mucosa formed by an epithelium, lamina propria, and muscularis mucosae?
Esophagus
What is the narrow zone of the stomach where the esophageal sphincter is located?
Cardia
In which part of the small intestine can Peyer's patches be found?
Ileum
What do Paneth cells in the small intestine secrete?
Lysozyme to protect from bacterial infections
Where are numerous crypts of Lieberkühn found in abundance?
Small Intestine
What is absent from the mucosa of the large intestine?
Intestinal villi
What forms three narrow bands known as colonic tapeworms in the large intestine?
Muscularis externa/propria
Where is the appendix located?
End of the large intestine
What is the function of the salivary glands?
To aid in the breakdown of carbohydrates in the mouth
What is the role of the gallbladder?
To secrete bile into the duodenum
Which gland has both exocrine and endocrine functions?
Pancreas
What forms the external sphincter in the anal canal?
Skeletal muscle of the pelvic floor
Where does the saliva produced by salivary glands primarily act?
Oral cavity
Which blood vessel receives arterial blood from the hepatic artery and venous blood from the portal vein?
Portal vein
Where are the islets of Langerhans located?
Pancreas
What is a function of hepatocytes?
Secreting bile and endocrine secretions
What are the three pairs of major salivary glands?
Parotid, Sublingual, Submandibular
What structure receives arterial blood from the hepatic artery?
Hepatic duct
What does the pancreas secrete through ducts into the duodenum?
Digestive enzymes
What is the primary function of the rectum?
Elimination of indigestible remains
Test your knowledge of the anatomy of the digestive system including the oral cavity, digestive tube, associated glands, and organs such as the liver, stomach, and intestine.
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