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Terms in this set (70)
saliva is produced by what glands?
what are the different types of motility through the alimentary canal?
what creates mesentery?
the __________ forms the outer tissue layer of some abdominal organs.
the __________ covers the abdominal organs like an apron.
what organs are part of the alimentary canal?
what is the first process to occur in the digestive system?
what is the main function of the tongue during digestion?
help turn food into a bolus and push the bolus posteriorly during swallowing.
what are the three phases of swallowing?
what separates the oral cavity from the nasal cavity?
hard palate and soft palate.
what are the layers of the alimentary canal?
the __________ of teeth is composed of material most similar to bone.
what is the main job of the pharynx?
where does carbohydrate digestion begin?
food does not normally come in contact with the __________, but they are involved in secretion and digestion.
what function of the digestive system allows for food and liquids to pass from one organ to the next?
the crown of a tooth is covered by __________.
the circular arrangement of muscles around an opening that controls the passage of material through the alimentary canal is known as a __________.
the __________ is the space between the lips and cheeks.
the third set of molars are more commonly known as __________.
as a bolus moves down the esophagus, its movement into the stomach is regulated by the __________.
what region of the stomach does food first enters after its passage through the relaxed gastroesophageal sphincter?
true or false--defecation involves the sympathetic nervous system.
place the structure of the large intestine in correct sequence.
right colic flexure.
left colic flexure.
the smell, sight, or even thought of food can activate the __________ of gastric acid secretion in the stomach.
what feature of the small intestine creates a brush border appearance upon microscopic examination?
what is released by the enteroendocrine cells of the gastric glands?
what process is a squeezing motion of the circular layer of smooth muscle in the small intestine?
gastric pressure increases and stomach and intestinal contents are propelled in the opposite direction during __________.
the acid pH of the gastric juice is caused by the secretion of hydrochloric acid from the __________.
what is the final process to occur in the alimentary canal?
what segment of the small intestine receives chyme from the stomach?
what is the most active site for chemical digestion and absorption?
the main functions of the __________ are churning, peristalsis, storage, and chemical digestion with the enzyme pepsin.
what is the terminal portion of the stomach?
the __________ are the smallest folds in the small intestine that create the appearance of a brush border.
what is voluntarily controlled about the defecation reflex?
relaxation of external anal sphincter.
what section of the large intestine begins at the splenic flexure?
true or false--rugae does not increase the surface area in the small intestine.
what are rugae?
folds of the mucosa of the stomach.
the __________ of the small intestine facilitate its role in digestion and absorption.
the longitudinal ribbons of smooth muscle visible on the outer surfaces of the colon just beneath the serosa are the __________.
what are the functions of the liver?
dietary fats are emulsified by a fluid produced by what accessory organ?
what does the portal triad of the liver consist of?
small bile duct.
the acidic chyme is neutralized as it enters the small intestine by __________.
what action best exemplifies enzymatic hydrolysis?
what is responsible for the emulsification of lipids in the duodenum?
what is the correct sequence of blood through the liver to inferior vena cava?
hepatic artery and hepatic portal vein.
the majority of triglyceride digestion occurs in the small intestine facilitated by the enzyme __________.
what cells compose the liver lobules?
within the enterocytes, lipids are reassembled into triglycerides and packages into __________.
bile release from the gallbladder is stimulated by the hormone __________.
the digestion and absorption of nucleic acids begin in the __________.
in what portion of the alimentary canal is chyme mixed with pancreatic juice and bile?
the pancreas is stimulated to release its secretions by __________.
what is the process by which bile breaks up large fat droplets into smaller ones?
the __________ carries a fluid rich in bicarbonate ions.
chemical digestion breaks down __________ into __________.
what organ functions to absorb significant quantities of water, electrolytes, and vitamins.
what is the ligament of the ventral surface of the liver and divides the liver into right and left lobes?
the acing cells of the pancreas secrete their exocrine products into small ducts that drain into the __________.
main pancreatic and accessory pancreatic duct.
what enzyme catalyzes the reaction of lactose into glucose and galactose?
the pancreatic duct and the common bile duct unite to enter the duodenum at the __________.
emulsification requires __________.
damaged hepatocytes will impair __________.
what are the lobes of the liver?
__________ is a hormone released from the small intestine primarily in response to fatty chyme in the intestine lumen.
bile is produced by the __________ and stored in the __________.
absorb the products of fat digestion.
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