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Digestive System Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. A _____ is defined as a fat-like molecule that does not have the ability to dissolve in water.

Question 2 2. All of the following are associated with the presence of chyme, EXCEPT:

Question 3 3. Pendular movements are alternating contractions and relaxations that take place in the _____.

Question 4 4. Monosaccharides are the basic building blocks of _____.

Question 5 5. Amino acids are the basic building blocks of _____.

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Question 6 6. Acid in chyme triggers the release of secretin and cholecystokinin. What are the main functions of these hormones?

Question 7 7. The epithelial cells of the stomach secrete a sticky alkaline mucus. What is the function of this substance?

Question 8 8. The chief digestive enzyme in the stomach that breaks down proteins is called:

Question 9 9. The small intestine is lined by villi. The main function of villi is to _____.

Question 10 10. The epiglottis is a cartilage at the opening of the larynx, that _____.

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Question 11 11. What are the three divisions of the pharynx?

Question 12 12. The chyme from the stomach has a(n) _____ pH and it becomes more _____ thanks to the action of bicarbonate.

Question 13 13. The pancreas secretes pancreatic lipase, which is charge of _____.

Question 14 14. Which two digestive processes occur in the mouth?

Question 15 15. Where does food digestion start?

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Question 16 16. The absorption of water, salt, and fat-soluble vitamins occurs in the _____.

Question 17 17. Which of the following substances is produced in the large intestine to ease the passage of feces?

Question 18 18. Peristalsis is wave-like contractions that occur in the intestines. What is the main function of these contractions?

Question 19 19. Salivary amylase is active in which of the following parts of the digestive system?

Question 20 20. Which movement within the small intestine is described as the contraction of circular smooth muscles that constrict the intestines into segments?

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Question 21 21. Why is the Duodenum important in the small intestine?

Question 22 22. Which structure controls the passage of food out of the stomach?

Question 23 23. After digestion, fats enter lymphatic capillaries known as _____.

Question 24 24. Which of the following is the BEST example of a polysaccharide?

Question 25 25. What is needed to convert inactive pepsinogen into active pepsin?

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Question 26 26. How does the soft palate play an important role in the function of the pharynx?

Question 27 27. Which of the following statements is correct?

Question 28 28. Which of the following is true about the gallbladder?

Question 29 29. Which of the following describes the relationship between the villi and the microvilli?

Question 30 30. Which of the following details the correct order in which proteins are digested?

Digestive System Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next question. You can skip questions if you would like and come back to them later with the "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. You will lose your work if you close or refresh this page. Good luck!

Biology 105: Anatomy & Physiology  /  Science Courses
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