1. UNIT 8: Digestive System Clicker Review!

2. Which of the following is NOT a function of saliva? 1) enables taste 2) helps bind food 3) moistens food 4) begins chemical digestion of carbohydrates 5) cleanse the mouth 6) all are functions of saliva

3. What do proteolytic enzymes (proteases) chemically digest? 1) carbohydrates 2) lipids 3) nucleic acids 4) proteins

4. TRUE or FALSE: The mucosa layer of the alimentary canal increases the surface area in the intestines.

5. Where is bile produced? 1) gallbladder 2) pancreas 3) stomach 4) liver

6. What is the main function of the large intestine? 1) absorb fats &lipids 2) absorb water 3) absorb proteins 4) digest carbohydrates

7. The appendix is an extension of the? 1) cecum 2) ileum 3) transverse colon 4) sigmoid colon

8. Which of the following is NOT part of the large intestine? 1) sigmoid colon 2) ascending colon 3) descending colon 4) ileum

9. Where does mechanical digestion begin? 1) pharynx 2) esophagus 3) mouth 4) stomach

10. Where does chemical digestion of PROTEINS begin? 1) mouth 2) small intestine 3) stomach 4) esophagus

11. Where does chemical digestion of carbohydrates begin? 1) mouth 2) small intestine 3) stomach 4) esophagus

12. Where does chemical digestion of lipids begin? 1) mouth 2) small intestine 3) stomach 4) esophagus

13. What is the function of the epiglottis? 1) stabilize the glottis 2) keep air from entering the esophagus 3) keep food from entering the trachea 4) vibrates to produce sound

14. What is the name of the sphincter that food passes through from the stomach to the small intestine? 1) pyloric 2) cardiac 3) anal 4) esophageal

15. Which of the following cells is not matched to the correct secretion? 1) chief cells secrete pepsinogen 2) goblet cells secret mucus 3) parietal cells secrete pepsin 4) intestinal cells secrete CCK

16. What are gallstones? 1) cystallized lipids 2) cystallized protein 3) cystallized cholesterol 4) cystallized bile salt

17. What is the name of the mashed up food leaving the stomach? 1) chyme 2) bolus 3) feces 4) bile

18. What structure increases surface area of the small intestine 1) lacteal 2) ileum 3) villi 4) pancreatic duct

19. What term means “rhythmic waves that move along the alimentary canal that move food/chyme along?” 1) rugae 2) peristalsis 3) secretin 4) bolus

20. If you have Celiac disease, why can’t you eat wheat, rye, or barley? 1) they contain sugar 2) they contain lactose 3) they contain corn 4) they contain gluten

21. Which of the following is/are true about ulcers? 1) they are located in your stomach or small intestine 2) they are aggravated by acidic foods/drinks 3) they can be caused by a bacteria 4) All of the above are true 5) Only 2 and 3 6) Only 1 and 3

22. What protects the stomach against being digested? 1) HCl 2) pepsin 3) chief cells 4) mucus

23. What does secretin, which is released from the wall of the small intestines, cause the pancreas to release? 1) digestive enzymes 2) bile 3) bicarbonate ions/solution 4) insulin

24. Which salivary gland is the “gleeker?” 1) parotid 2) submandibular 3) sublingual 4) there’s no such thing as a “gleek”

25. What do parietal cells produce? 1) Mucus 2) HCl 3) pepsinogen 4) pepsin

26. What causes hemorrhoids? 1) enlarged anal artery 2) enlarged anal capillary 3) enlarged anal vein 4) a virus

27. What causes the Inflammatory Bowel Disease called Crohn’s disease? 1) person’s immune system attacks their colon 2) person’s immune system attacks their alimentary canal 3) bacteria causes open sores in their stomach/duodenum 4) E. coli bacteria from undercooked beef or unpasteurized milk

28. What do they think causes Irritable Bowel Syndrome (IBS)? 1) not enough water is absorbed in the large intestines 2) too much water is absorbed in the large intestines 3) bacteria (“live and active cultures”) found in yogurt 4) intestines being squeezed too hard or not enough

29. If a person’s insulin receptors are not responding to insulin, what is the consequence? 1) not enough glucagon in the blood 2) too much glucose in the blood 3) not enough glucose in the blood 4) bile is not released from the gallbladder

30. What forms a bolus? 1)Tongue 2)Stomach 3)Esophagus 4)Rectum 5)Appendix

31. What purpose does cellulose serve in digestion if humans don’t have the enzyme needed to digest it? 1)No purpose. 2)It is the fiber that keeps peristalsis going. 3)It digests cellulose. 4)Protects the lining of the small and large intestines.

32. Colace is an over the counter medicine that keeps water in your large intestine. What condition will this treat? 1)Food poisoning 2)Heart burn 3)Diarrhea 4)Constipation 5)Malnutrition