Mastering A&P: The Digestive System
Terms in this set (18)
Which layer of the alimentary canal is responsible for segmentation and peristalsis?
Which layer of the alimentary canal contains not only glands and blood vessels but also a nerve plexus that helps regulate digestive activity?
The __________ circulation drains all of the organs of the digestive system.
Which layer of the digestive tract controls digestive propulsion?
Unitary smooth muscle is found in all hollow organs except for the heart. What structure do both heart muscle and unitary smooth muscle share that allows them to contract as a functional group?
Which digestive process does NOT occur in the mouth?
peristalsis in the esophagus
What control mechanism opens the gastroesophageal sphincter?
a bile duct along with a portal venule and arteriole
Which of the following constitute a portal triad?
The capillary walls have openings that allow large proteins and small cells to pass through.
Which of the following best describes the capillary wall structure found in the liver lobules?
neutralizing chyme entering the small intestine from the stomach
What is a major function of pancreatic juice?
Bile is produced by the __________ under hormonal influence of __________.
Which of the following is NOT a secretion of the pancreas?
Which cells in the small intestine's mucosa secrete mucus?
a lymphatic vessel designed to help introduce fats to the blood
Which of these best describes a lacteal?
Most absorption of nutrients occurs in the __________.
Which of the following propels food residue over large areas of the colon three to four times a day?
water absorption and feces elimination
Which of the following is the primary physiological function of the large intestine?
What type of blood capillary located in this sublayer is uniquely suited for absorption of nutrient material?
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