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Chapter Assessment Lesson 13.3
Learning Key Terms and Concepts
Gingivitis is an inflammation of the _____, or gum tissue.
Gingivitis results from long-term buildup of _____ on the teeth.
Plaque is a sticky mix of bacteria, food particles, and _____ that hardens to form tartar if not removed by brushing and flossing.
Because of its location, GERD is commonly called _____.
Which bacterium causes most peptic ulcers?
Gastroenteritis in children is commonly caused by infection with _____.
A. salmonella
B. hepatitis
C. rotavirus
D. staphylococcus
_____ is a digestive disease that affects all four layers of the digestive tract wall.
A. Inflammatory bowel disease
B. Gastroesophageal reflux disease
C. Crohn's disease
D. Ulcerative colitis
_____ can be caused by waste spending too much time in the colon.
_____ occurs when waste does not spend enough time in the colon.
_____ is an inflammation of the pancreas.
_____ are solid crystals that form from bile and can block the secretion of bile into the small intestine.
Cancer of the digestive system organs usually originates in _____ cells of the GI tract.
A. squamous
B. blood
C. nerve
D. epithelial
Thinking Critically
Evaluate the cause and effect of periodontal disease on the structure and function of the cardiovascular system.
Why might chyme harm the esophagus but not the stomach?
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