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Digestive System Chapter Exam

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Page 1

Question 1 1. Where does food digestion start?

Question 2 2. Which of the following substances is produced in the large intestine to ease the passage of feces?

Question 3 3. The small intestine is lined by villi. The main function of villi is to _____.

Question 4 4. Pendular movements are alternating contractions and relaxations that take place in the _____.

Question 5 5. The chief digestive enzyme in the stomach that breaks down proteins is called:

Page 2

Question 6 6. The epithelial cells of the stomach secrete a sticky alkaline mucus. What is the function of this substance?

Question 7 7. The chyme from the stomach has a(n) _____ pH and it becomes more _____ thanks to the action of bicarbonate.

Question 8 8. All of the following are associated with the presence of chyme, EXCEPT:

Question 9 9. What are the three divisions of the pharynx?

Question 10 10. Peristalsis is wave-like contractions that occur in the intestines. What is the main function of these contractions?

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Question 11 11. Monosaccharides are the basic building blocks of _____.

Question 12 12. Which two digestive processes occur in the mouth?

Question 13 13. Acid in chyme triggers the release of secretin and cholecystokinin. What are the main functions of these hormones?

Question 14 14. The absorption of water, salt, and fat-soluble vitamins occurs in the _____.

Question 15 15. Amino acids are the basic building blocks of _____.

Page 4

Question 16 16. The epiglottis is a cartilage at the opening of the larynx, that _____.

Question 17 17. A _____ is defined as a fat-like molecule that does not have the ability to dissolve in water.

Question 18 18. The pancreas secrets pancreatic lipase, which is charge of _____.

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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