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33 Cards in this Set
- Front
- Back
The capillaries that nourish the epithelium and absorb digested nutrients lie in the... |
Lamina propina |
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When we ingest large molecules such as lipids, carbs, and proteins, they must undergo catabolic reactions whereby enzymes split these molecules. This series of reactions is called.. |
Chemical digestion |
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Because of the baby's loss of gastric juice, his blood probably indicates.. |
Alkalosis |
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The soft palate rises reflexively to open the nasopharynx ehen we swallow food. T/F |
False |
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A fluid secreted into the small intestine during digestion that has cholesterol, emulsification agents, and phospholipids is... |
Bile |
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Gastric accommodation is an example of smooth muscle plasticity. T/F |
True |
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The pharyngeal-esophageal phase of swallowing is involuntary and is controlled by the swallowing center in the thalamus and lower pons. T/F |
False |
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Choose the incorrect statement regarding bile. |
Bile contains enzymes for digestion. |
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The digestive function of the liver is to produce bile. T/F |
True |
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When swallowing, the epiglottis prevents food from entering the larynx. T/F |
True |
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Which of the following is not a factor that helps create the stomach mucosal barrier? |
Production of intrinsic factor |
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Which of the following are types of papillae on the tongue that contain taste buds? |
Circumvallate and filiform |
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The chemical and mexhanical processes of food breakdown are called... |
Digestion |
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The lamina propina is composed of.. |
Loose connective tissue |
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Parietal cells of the stomach produce... |
Hydrochloric acid |
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Which of these is not a component of saliva? |
Nitric oxide |
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Which is not a phase of gastric secretion? |
Enterogastric |
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Some of the microbes that often invade other organs of the body are rarely found in the stomach. The reason for this is the presence of HCl. T/F |
True |
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Which of the following is an essential role played by large intestine bacteria? |
Synthesize vitamin K and B complex vitamins |
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Which is true about primary teeth? |
There are 20 primary teeth, and by 24 months of age mosy children have all 20. |
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The sheets of peritoneal membrane that hold the digestive tract in place are called... |
Mesenteries |
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Digestion of .... would be affected the most if the liver were severely damages. |
Lipids |
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The stomach's contractile rythm is set by pacemaker cells found in the spinal cord. T/F |
False |
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The enzymatic breakdown of any type of food molecule is called... |
Hydrolysis |
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Parietal cells of the stomach produce... |
Hydrochloric acid |
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Peyer's patches are found in the submucosa of the distal end of the small intestine. T/F |
True |
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Chemical digestion reduces large complex molecules to simpler compounds by the process of... |
Catabolism |
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Ionic iron is actively transported into the mucosal cells, where it binds to the protein ferritin, a phenomenon called the mucosal iron barrier. T/F |
True |
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The salivary glands are made of which two types of secretory cells? |
Serous cells and mucous cells |
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Which is not part of the splanchnic circulation? |
Inferior vena cava |
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Which is not true of saliva? |
Contains enzymes that begin the breakdown of proteins |
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The submucosal nerve plexus provides the major nerve supply to the GI tract wall and controls GI motility. T/F |
True |
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Select the correct statement about absorption. |
If intact proteins are transported across the villus epithelium, an immune response may be generated. |