Chapter 16: Digestive System (Practice Test from Study Guide)1. Which of the following is NOT a main organ of the digestive system?

a. Mouth b. Liverc. Large intestined. Anal canal

2. Which of the following best describes mechanical digestion?a. Breaks molecules apartb. Coordination of digestive activity c. Breaks large chunks into smaller bitsd. None of the above

3. Which of the following best describes chemical digestion?a. Breaks molecules apartb. Coordination of digestive activityc. Breaks large chunks into smaller bits d. None of the above

4. Which of the following best describes ingestion?a. Movement of digestive nutrients b. Excretion of residualsc. Process of taking food into the mouthd. Both A and C

5. Which of the following best describes digestion a. A group of processes that breaks complex nutrients into simpler onesb. Breaks molecules apartc. Breaks large chunks into smaller bitsd. All of the above

6. Which of the following is NOT an accessory organ?a. liverb. pancreas c. cecum d. none of the above

7. which of the following is the accessory organ for the small intestine?a. Liverb. Gallbladderc. Pancreasd. All of the above

8. What is the average age “cutting” the first tooth?

a. 6 yearsb. 1 monthc. 4 monthsd. 6 months

9. When is the average age for losing the first baby tooth?a. 6 yearsb. 1 yearc. 4 monthsd. 6 months

10. Which of the following teeth is used for grinding?a. Tricuspidb. Molarsc. Premolarsd. Both A and B

11. Which of the following teeth is the longest crown and the longest root and matches with the correct function of the tooth?a. Incisor: grindingb. Canine: piercing c. Canine: cutting d. Incisor: piercing

12. Which of the following glands is where mumps are found?a. Submandibularb. Sublingualc. Parotidd. All of the above

13. About how much saliva is produces each day in an adult?a. One ounceb. One milliliterc. One literd. One gallon

14. Which of the following is found at the angle of the jaw? a. Submandibularb. Sublingualc. Parotidd. All of the above

15. How long is the small intestine?

a. 20 feetb. 20 inchesc. 20 metersd. 20 yards

16. Which of the following correctly list the order of which chyme passes through the small intestine?a. Jejunum, ileum, duodenum, small intestineb. Duodenum, jejunum, ileumc. Duodenum, ileum, jejunumd. None of the above

17. Where does most chemical digestion occur?a. Small intestineb. Cecumc. Duodenumd. Both A and C

18. what is the largest gland in the body?a. Pancreasb. Liverc. Stomach d. Large intestine

19. Which of the following correctly describes the function of the small intestine?a. Absorptionb. Digestion c. Secretion d. Both A and B

20. Which bacterium causes most gastric and duodenal ulcers?a. GERDb. Hiatal herniac. H pylorid. All of the above

21. Which of the following correctly list the order in which chyme passes through the large intestine?a. Ascending colon, transverse colon, descending colon, sigmoid colon, anal canal,

rectumb. Cecum, ascending colon, transverse colon, descending colon, sigmoid colon, anal

canal, rectum c. Cecum, ascending colon, transverse colon, descending colon, sigmoid colon, rectum,

anal canal

d. None of the above

22. Which of the following is the sphincter like structure between the end of the small intestine and the beginning of the large intestine?a. Cardiac sphincterb. UESc. LES d. Ileocecal valve

23. Insulin:a. Hormone secreted by the pancreatic isletsb. As insulin secretion increases, more glucose leaves the blood & enters cellsc. Insulin is the only hormone that significantly lowers the blood glucose levelsd. All of the above

24. Simple sugars:a. Lipidsb. Proteinsc. Disaccharidesd. Monosaccharides

25. Which of the following organs is both and endocrine gland and an exocrine gland?a. Appendixb. Liverc. Pancreasd. None of the above

26. Which glands do NOT have ducts?a. Exocrineb. Endocrinec. All of the aboved. None of the above

27. Which of the following correctly describes the function of the liver?a. Secretes bile into ductsb. Serves as an excretory role c. Removes yellowish bile pigmentsd. All of the above

28. Which of the following is the thin membrane that attaches the tongue to the floor of the mouth?a. Uvulab. Frenulumc. Hard palate

d. Both A and C

29. When water is added to a larger molecule, causing it to break apart into smaller molecules, what do we call this chemical reaction?a. Lipaseb. Hydrolysisc. Protease d. Catalysts

30. What is responsible for speeding up the breakdown of lipids?a. Enzymes b. Lipasec. Carbohydratesd. Proteins

31. Which of the following is a protein digesting enzyme?a. Lipaseb. Hydrolysisc. Proteased. Catalysts

32. Where are kidneys found?a. Visceral peritoneumb. Peritoneal spacec. Retroperitoneald. Parietal peritoneum

33. What is a large, moist, slippery sheet of serous membrane that lines the abdominal cavity and covers the organs located in it, including most of the digestive organs?a. Retroperitonealb. Peritoneumc. Greater omentumd. Mesentery

34. What is the leading cause of tooth loss in adults?a. Gingivitisb. Dental cariesc. Cavities d. None of the above

35. What hold chyme in place in the stomach?a. Pyloric sphincterb. UESc. LES

d. Cardiac sphincter

36. What is the enlarged, curving base to the left of and aboce the opening of the esophagus into the stomach?a. Bodyb. Pylorusc. Fundusd. None of the above

ANSWERS:

1. B2. C3. A4. C5. D6. C7. D8. D9. A10. D11. B12. C13. C14. C15. A16. B17. D18. B19. D20. C21. C22. D23. D24. D25. C26. B27. D28. B29. B30. A31. C32. C33. B34. D35. A36. C

Chapter 16: Digestive System (Practice from Study Guide)

types of teeth and when they appear

1. ______________________________

2. ______________________________

3. ______________________________

4. ______________________________

5. When is the average age for cutting a tooth? _________________

6. When is the average age for losing a tooth? _________________

7. Hard palate: ____________________________________________________________

8. Soft palate: _____________________________________________________________

9. Uvula: _________________________________________________________________

10. Frenulum: ______________________________________________________________

11. Gingivitis: _______________________________________________________________

12. Periodontitis: ____________________________________________________________

13. Dental caries: ____________________________________________________________

Parotid glands, which one has mumps? Where are they located?

________________________________________________________________________

________________________________________________________________________

Describe Salivary glands & how much saliva does an adult secrete each day?

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

Describe pharynx:

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

Describe esophagus:

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

Stomach

- Sphincter’s & their function:

_____________________________________________________________________

- Fundus of stomach:

_____________________________________________________________________

- Which bacterium causes most gastric and duodenal ulcers? ____________________

- Hiatal Hernia: _________________________________________________________

- GERD: _______________________________________________________________

Small intestine- structure/ function/ order of chyme

- Structure:

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

- Function:

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

Order in which chyme passes: _____________________________________________________

______________________________________________________________________________

Liver and Gallbladder

- Function of liver:

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

- Gallbladder:

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

Pancreas

- Function:

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

- Gland: _____________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

- Insulin:

Large intestine- structure/function/ order of chyme

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

- Structure:

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

- Function:

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

- order of chyme:

1.

2.

3.

4.

5.

6.

7.

Appendix

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

Peritoneum: function (where are kidneys found)

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

- Location:

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

- Function:

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

Endocrine vs. Exocrine

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

Mechanical Digestion vs. Chemical Digestion

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

Simple sugars?

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

Lipase-

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

Protease-

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

Hydrolases:

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

List the organs and their accessory organs:

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

Mechanisms of the digestive system:

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

Digestive juices and enzymes:

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________