Digestive System Worksheet
19. Food stays in the small intestine for a. 4 hours b. 10-12 hours c. 4 days d. 5 hours
a
21. The large intestine is ____ feet long. a. 5 b. 10 c. 22 d. 30
a
22. What step of deglutition is under voluntary control? a. Oral b. Pharyngeal c. Esophageal d. All of the above
a
begins breaking down in the mouth A. carbohydrate B. lipid C. protein
a
breaks down proteins/enzyme from pancreas that breaks down proteins A. protease B. amylase C. lactase D. lipase E. peptidase
a
catalyzes the hydrolysis of proteins A. protease B. amylase C. lactase D. lipase E. peptidase
a
1. What is another name for the gastrointestinal tract? a. Accessory tract b. Alimentary canal c. Accessory canal d. Sigmoid tract
b
15. The crown of a tooth is covered with a. Dentin b. Enamel c. Cementum d. Roots
b
2. Which of the following statements is not true of the esophagus? a. It extends from the pharynx to the stomach. b. It lies anterior to the trachea and posterior to the heart. c. It resides in both the thoracic and abdominal cavities. d. It pierces the diaphragm.
b
20. Which of the following describes the pharyngeal stage of deglutition? a. Mouth to oropharynx b. Oropharynx to esophagus c. Esophagus to stomach d. None of the above
b
25. Which of the following substances does not contain any enzymes? a. Saliva b. Bile c. Gastric juice d. Intestinal juice
b
27. Which of the following is not a protease? a. Peptidase b. Lipase c. Trypsin d. Pepsin
b
29. Impaired fat absorption that produces large, greasy, foul-smelling stool is a. Cholera b. Steatorrhea c. Lipemia d. Hepatitis
b
5. The main anatomical units of the liver are called a. Lobes b. Lobules c. Sinusoids d. None of the above.
b
6. Blood flows to the liver via branches of the a. Hepatic vein b. Hepatic portal vein c. Common bile duct d. Cystic duct
b
7. A merger of the hepatic duct and the cystic duct form the a. Common hepatic duct b. Common bile duct c. Right hepatic duct d. Left hepatic duct
b
8. Going from superficial to deep, the layers of the GI tract are a. Serosa, muscularis, mucosa, submucosa b. Serosa, muscularis, submucosa, mucosa c. Mucosa, submucosa, muscularis, serosa d. Mucosa, submucosa, serosa, muscularis
b
9. Which of the following is not part of the GI tract? a. Pharynx b. Larynx c. Ileum d. Rectum
b
begins breaking down in the small intestine A. carbohydrate B. lipid C. protein
b
breaks down starches/secreted by small intestine to break down starches A. protease B. amylase C. lactase D. lipase E. peptidase
b
in saliva and pancreas A. protease B. amylase C. lactase D. lipase E. peptidase
b
10. Which of the following is an accessory organ to the digestive system? a. Sigmoid colon b. Duodenum c. Liver d. Anus
c
12. After food has been chewed, it is formed into a small, rounded mass called a a. Moat b. Chyme c. Bolus d. Protease
c
13. The volume of saliva secreted per day is about a. ½ pint b. 1 pint c. 1 liter d. 1 gallon
c
14. The largest gland in the body is the a. Pituitary b. Thyroid c. Liver d. Thymus
c
17. Another name for the third molar is a. Central incisor b. Canine c. Wisdom tooth d. Lateral incisor
c
18. Which is not part of the small intestine? a. Ileum b. Duodenum c. Cecum d. Jejunum
c
23. The final product of carbohydrate digestion is a a. Fatty acid b. Disaccharide c. Monosaccharide d. Polysaccharide
c
24. The process of fat emulsification consists of a. Chemically breaking down fat molecules b. Absorption of fats c. Bile breaking down fats into micelles d. The secretion of digestive juices
c
26. Peristalsis begins in the a. Mouth b. Pharynx c. Esophagus d. Stomach
c
4. The correct order of small intestine divisions starting proximal to the stomach are a. Ileum, duodenum, jejunum b. Duodenum, ileum, jejunum c. Duodenum, jejunum, ileum d. Ileum, jejunum, duodenum
c
begins breaking down in the stomach A. carbohydrate B. lipid C. protein
c
11. The hard palate consists of ______ bones. a. 1 b. 2 c. 3 d. 4
d
16. The only type of permanent teeth that do not appear as deciduous teeth are a. Incisors b. Canines c. Second molars d. Premolars
d
28. Which of the following is a monosaccharide? a. Maltose b. Sucrose c. Lactose d. Glucose
d
3. Which of the following controls the opening of the stomach into the small intestine? a. Pylorus b. Cardiac sphincter c. Duodenal bulb d. Pyloric sphincter
d
breaks down fats A. protease B. amylase C. lactase D. lipase E. peptidase
d
breaks down a substance into amino acids/enzyme from small intestine that breaks down proteins A. protease B. amylase C. lactase D. lipase E. peptidase
e
(T/F) Cholelithiasis is surgical removal of the gallbladder.
f
(T/F) Food leaves the stomach as a bolus.
f
(T/F) Mechanical digestion includes salivary amylase.
f
(T/F) Mesentary is very thin membraneous extensions of visceral peritoneum.
f
(T/F) The gallbladder produces bile.
f
(T/F) The large intestine is longer than the small intestine.
f
(T/F) The philtrum is a fold in the mucous membrane that helps anchor the tongue to the floor of the mouth.
f
(T/F) There are 20 deciduous teeth and 30 permanent teeth.
f
(T/F) There are 35 million glands in the pancreas.
f
(T/F) There are two pairs of salivary glands.
f
(T/F) Amino acids are the end product of protein digestion.
t
(T/F) Cholecystokinin triggers the gallbladder to secrete bile into small intestine.
t
(T/F) Detox is a function of the liver.
t
(T/F) Enzymes are organic catalysts
t
(T/F) Papillae contains taste buds.
t
(T/F) Segmentation mechanically breaks down food by mixing it with digestive juices.
t
(T/F) The act of swallowing is termed deglutition.
t
(T/F) The folds in the stomach are called rugae.
t
(T/F) The large intestine's main function is water absorption.
t
(T/F) The oral cavity is also known as the buccal cavity.
t
(T/F) The pancreas secretes insulin to break down sugar.
t
(T/F) The pouchlike structures of the large intestine are called haustra.
t
(T/F) The uvula extends from the soft palate.
t
(T/F) Vitamins A,C,D,K are fat-soluble vitamins.
t
(T/F) Zantac reduces the amount of acid in the stomach.
t
