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Which of the following processes is the function of the smooth muscle layer of the digestive system?
mixing and propulsion
Which of the following processes is the primary function of the villi of the small intestine?
Which of the following accessory organs produces a fluid that functions to soften and moisten food?
Which of the following accessory organs produces a fluid that functions to emulsify dietary fats?
This plexus is located between the longitudinal and circular smooth muscle layers of the muscularis.
Why would you expect emotions such as anger or fear slow digestion?
because they stimulate the sympathetic nerves that supply the GI tract
This portion of the peritoneum drapes over the transverse colon and coils of the small intestine.
The hard palate:
is the anterior portion of the roof of the mouth, is formed by the maxillae and the palatine bone, is covered by a mucous membrane
Which of the following pancreatic enzymes acts to produce smaller peptides from proteins?
This digestive aid, produce by the stomach, begins digestion by denaturing proteins.
The wavelike, rhythmic contractions that move food through the digestive tract are called:
Gastric glands increase their secretory activity in response to a hormone released from the:
Which hormone stimulates secretion of pancreatic juice that is rich in digestive enzymes and contraction of the wall of the gallbladder to release bile?
The inner surface of each lip is attached to the gum by a midline fold of mucous membrane called the:
The localized mixing contractions and relaxations of the muscularis that do not push along the GI tract is called peristalsis
The end products of chemical digestion of complex carbohydrates and double sugars are:
monosaccharides or simple sugars
The end products of chemical digestion of lipids (triglycerides) are:
monoglycerides and fatty acids
Individuals who do not produce adequate amounts of enzyme lactase are said to be:
_______ is the scientific term that describes the movement of a bolus from the mouth to the stomach.
Intrinsic factor released by the _____ cells in the stomach mucosa and is important for the absorption of vitamin _____ that is needed for erythropoiesis
Responsible for churning, peristalsis, storage and chemical digestion with the enzyme pepsin
Produces a fluid in the mouth that helps cleanse the mouth and lubricates, dissolves and begins the breakdown of food
forces the food to the back of the mouth for swallowing; places food in contact with the teeth
contain acini that release juices containing several digestive enzymes and sodium bicarbonate to buffer stomach acid.
finger or ridge like projections of the mucosa of the small intestine that increase the surface area for digestion and absorption
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