23AP - Practice Test - Digestive System Complete Exam Study Questions And Correct Answers.
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Module
DIGESTION
Institution
DIGESTION
1.) What are the four main functions of the digestive system? - correct answer 1. ingestion
2. digestion
3. absorption
4. elimination
2.) What is the alimentary canal? Give another name for it. - correct answer a. diges...
23AP - Practice Test - Digestive System
1.) What are the four main functions of the digestive system? - correct answer 1.
ingestion
2. digestion
3. absorption
4. elimination
2.) What is the alimentary canal? Give another name for it. - correct answer a.
digestive tract (hollow tube from mouth to the anus) with accessory organs
b. gastrointestinal tract
3.) Define digestion. What are the two types? - correct answer a. the process by
which food is broken down into smaller particles suitable for absorption
b. mechanical & chemical
4.) Which type would mastication fall under? - correct answer mechanical
5.) Define absorption. Where along the digestive tract does the most absorption occur? - correct answer
a. process where by the end products of digestion move across the digestive tract into the blood for
distribution through out the body.
b. small intestine/*duodenum*
6.) Name the four layers of the digestive tract from innermost to outermost - correct answer
mucosa
submucosa
muscle layer
serosa
7.) Which of the four layers above is responsible for peristalsis? What type of muscle is it? - correct
answer a. muscle layer
, b. smooth muscle
8.) What is the peritoneum? Which layer of the digestive tract is it an extension of? Name the peritoneal
coverings of the abdominal organs. - correct answer a. outermost layer of the
digestive tract
b. serosa becomes peritoneum
c. greater omentum (lacey apron)
9.) Name the five structures of the mouth. Which three structures help to form the bolus? - correct
answer a. teeth, tongue, salivary glands, hard & soft palates, uvula
b. teeth, tongue and salivary glands form the bolus
10.) uvula - correct answer closes off nasal cavity while pushing food to the back of
the mouth
11.) Name the three parts to the pharynx - correct answer 1. nasopharynx
2. oropharynx
3. laryngopharynx
12.) What movement enable one to swallow while standing on their head? - correct answer
peristalsis
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