Chapter 20 Q & A
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What are the structures of the digestive system? | Mouth, Pharynx, esophagus, stomach, large intestine, small intestine
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| What are the accessory organs of the digestive system? | Teeth, tongue, salivary glands, liver, pancreas, and gallbladder
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| What is the function of the tongue? | It repositions food in the mouth during chewing
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| What is the function of the teeth? | They break food into pieces small enough to be swallowed
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| What is the function of saliva? | It moistens food and transforms it into a bolus. The enzyme amylase breaks down starch while lipase begins the digestion of fat
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| What is the function of the pharynx? | It acts as a passageway for food to travel to the esophagus.
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| What is the function of the esophagus? | It connects the pharynx to the stomach. This is where peristalsis takes place which propels food toward the stomach
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| What is the function of the stomach? | It contracts and churns to break food into smaller particles and mix it with gastric juice. The end product is chyme
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| What is the function of the duodenum? | It receives chyme from the stomach, pancreatic juice, & bile. Neutralizes stomach acid and pancreatic enzymes begin the task of chemical digestion
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| What is the function of the jejunum? | This is where nutrient absorption takes place
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| What is the function of the large intestine? | This is where absorption of large amounts of water from the waste takes place. The end result is feces which is then passed out of the body
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| What is the digestive function of the liver, gallbladder and pancreas? | They each secrete digestive fluids or enzymes into the digestive tract at the junction of the stomach and the small intestine
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| What are the symptoms of a peptic ulcer? | Gnawing, bloating, and heartburn
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| What is the cause of peptic ulcers? | There is no single cause. However, H. pylori is often indicated as well as the use of NSAIDs.
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| What is the treatment for peptic ulcers? | H. pylori ulcers can be treated with antibiotics
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| What are gallstones? | Hard masses that form inside the gallbladder, often because of excessive cholesterol in the bile
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| What are the symptoms of gallstones? | There may be no signs or symptoms. However, if a stone lodges within a duct, excruciating pain may occur
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| What is the treatment of gallstones? | Surgery to remove the gallbladder or medications to dissolve the gallstones
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| What effects does age have on the digestive system? | Peristalsis slows, the cardiac sphincter weakens, tooth loss occurs, sensations of smell & taste are diminished, poor absorption of vitamin B12, & efficiency of the liver declines
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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