Bio 211: Module III Practice Test

trypsin

30. Which of these is involved in the chemical digestion of protein? a) pancreatic amylase b) trypsin c) sucrase d) pancreatic nuclease

pancreas

31. Where are most fat-digesting enzymes produced? a) small intestine b) gallbladder c) liver d) pancreas

amylase

5. Proteins secreted in saliva include: (choose all that apply) a) mucin b) amylase c) lysozymes d) lipase

increased secretory activity of liver cells, release of bicarbonate-rich fluid by the pancreas

7. Release of secretin leads to (choose all that apply) a) contraction of smooth muscle in the duodenal papilla b) increased secretory activity of liver cells c) contraction of the gallbladder wall d) release of bicarbonate-rich fluid by the pancreas

esophagus

7. Smooth muscle is found in the : (choose all that apply) a) tongue b) pharynx c) esophagus d) external anal sphincter

Liver

8. Which of thee organs lies in the right hypochondriac region of the abdomen? (choose all that apply) a) Stomach d) Spleen c) Cecum d) Liver

mouth

8. Which of these organs is not considered an accessory digestive structure? a) mouth b) salivary glands c) pancreas d) liver

External anal sphincter

9. A 3-year old girl is rewarded with a hug because she is now completely toilet trained. Which muscle is one that she has learned to control? (choose all that apply) a) Levator ani b) Internal anal sphincter c) Internal and external obliques d) External anal sphincter

Gastrointestinal tract, Digestive tract

1. Which of the following terms are synonyms? (choose all that apply) a) Gastrointestinal tract b) Digestive system c) Digestive tract d) Digestive tube proper

insulin

10. Hormones that act to decrease blood glucose level include. (choose all that apply) a) insulin b) glucagon c) epinephrine d) growth hormone

all of the above

10. Lipids in the diet can be ________. a. broken down into energy for the body b. stored as triglycerides for later use c. converted into acetyl CoA d. all of the above

visceral peritoneum

10. Which of the following membranes covers the stomach? a) falciform ligament b) mesocolon c) parietal peritoneum d) visceral peritoneum

all of the above

11. Which of these processes occurs in the mouth? a) ingestion b) mechanical digestion c) chemical digestion d) all of the above

dentin

12. The material that forms the bulk of a tooth is (choose all that apply) a) cement b) dentin e) enamel d) pulp

propulsion

12. Which of these processes occurs throughout most of the alimentary canal (GI tract)? a) ingestion b) propulsion c) segmentation d) absorption

stomach; pepsin; HCl; partially digested proteins

16. Digestion of proteins begins in the ________ where ________ and ________ mix with food to break down protein into ________. a. stomach; amylase; HCl; amino acids b. mouth; pepsin; HCl; fatty acids c. stomach; lipase; HCl; amino acids d. stomach; pepsin; HCl; partially digested proteins

The oropharynx is continuous superiorly with the nasopharynx

16. Which of these statements about the pharynx is true? a) It extends from the nasal and oral cavities superiorly to the esophagus anteriorly. b) The oropharynx is continuous superiorly with the nasopharynx. c) The nasopharynx is involved in digestion d) The laryngopharynx is composed partially of cartilage.

liver

2. A digestive organ that is not part of the gastrointestinal tract is the (choose all that apply) a) stomach b) liver c) small intestine d) large intestine e) pharynx

pyloric sphincter

21. During gastric emptying, chyme is released into the duodenum through the ______________. a) esophagus b) cardiac sphincter c) pyloric canal d) pyloric sphincter

hydrochloric acid

22. Parietal cells secrete __________. a) gastrin b) hydrochloric acid c) pepsin d) pepsinogen

small intestine

23. In which part of the alimentary canal does most digestion occur? a) stomach b) small intestine c) cecum d) ascending colon

lacteals

24. Which of these is most associated with villi? a) haustra b) lacteals c) bacterial flora d) intestinal glands

glycogen, triglycerides, nonessential amino acids

25. Glucose (or its metabolites) can be converted to: (choose all that apply) a) glycogen b) triglycerides c) nonessential amino acids d) starch

cecum

26. Which part of the large intestine attaches to the appendix? a) cecum b) ascending colon c) transverse colon d) descending colon

mouth

29. Where does the chemical digestion of starch begin? a) mouth b) esophagus c) stomach d) small intestine

muscularis

3. The GI tube tissue layer responsible for the actions of segmentation and peristalsis is the (choose all that apply) a) serosa b) mucosa c) muscularis d) submucosa

liver

Match the digestive organ listed with the following function function: Produces bile a) salivary glands b) esophagus c) stomach d) small intestine e) liver f) gall bladder g) pancreas h) large intestine

large intestine

Match the digestive organ listed with the following function function: absorbs water a) salivary glands b) esophagus c) stomach d) small intestine e) liver f) gall bladder g) pancreas h) large intestine

stomach

Match the digestive organ listed with the following function function: churning occurs here a) salivary glands b) esophagus c) stomach d) small intestine e) liver f) gall bladder g) pancreas h) large intestine

esophagus

Match the digestive organ listed with the following function function: muscular tube connecting laryngopharynx with the stomach a) salivary glands b) esophagus c) stomach d) small intestine e) liver f) gall bladder g) pancreas h) large intestine

pancreas

Match the digestive organ listed with the following function function: produces both endocrine and exocrine secretions a) salivary glands b) esophagus c) stomach d) small intestine e) liver f) gall bladder g) pancreas h) large intestine

salivary glands

Match the digestive organ listed with the following function function: secretes a substance that initiates carbohydrate digestion a) salivary glands b) esophagus c) stomach d) small intestine e) liver f) gall bladder g) pancreas h) large intestine

small intestine

Match the digestive organ listed with the following function function: segmentation occurs here a) salivary glands b) esophagus c) stomach d) small intestine e) liver f) gall bladder g) pancreas h) large intestine

gallbladder

Match the digestive organ listed with the following function function: stores bile a) salivary glands b) esophagus c) stomach d) small intestine e) liver f) gall bladder g) pancreas h) large intestine