CH 16 Anatomy

A full set of deciduous or baby teeth consists of a. 20 teeth b. 24 teeth c. 32 teeth d. 38 teeth

A

At the splenic flexure, the a. transverse colon becomes the descending colon b. descending colon becomes the sigmoid colon c. ascending colon becomes the transverse colon d. ascending colon becomes the descending colon

A

Canine teeth are sometimes called a. cuspids b. incisors c. bicuspids d. tricuspids

A

Lipase a. is made in the pancreas b. is stored in the gallbladder c. converts fatty acid and glycerol to fats d. all of the above

A

Maltase and sucrase are made in the a. small intestine b. pancreas c. stomach d. liver

A

Sharp cutting edge teeth used for cutting during chewing are called a. incisors b. canines c. premolars d. molars

A

The outermost layer of the digestive tract is the a. serosa b. muscularis c. submucosa d. mucosa

A

3. Which of the following is an accessory organ of the digestive system? a. Salivary glands b. Mouth c. Pharynx d. Both a and c above

A

The part of the stomach that joins with the small intestine is the a. pylorus b. fundus c. body d. rugae

A

The sequence of sections of small intestine through which food passes would be a. duodenum, jejunum, ileum b. duodenum, ileum, jejunum c. jejunum, ileum, duodenum d. jejunum, duodenum, ileum

A

This bone does not make up part of the hard palate a. ethmoid bone b. palatine bone c. maxillary bone d. all of the above bones make up part of the hard palate

A

Trypsin a. is important in protein digestion b. works in the stomach c. is made in the liver d. a and c above

A

Which of the following is not a name for the open-ended tube through which food passes? a. Digestive system b. Alimentary canal c. Gastrointestinal tract d. All of the above are names for the open-ended tube through which food passes

A

Enamel is found in the a. root of the tooth b. crown of the tooth c. neck of the tooth d. all of the above

B

Protein digestion begins in the a. mouth b. stomach c. small intestine d. large intestine

B

The ducts that carry secretion from the pancreas empty into which part of the digestive tract? a. Stomach b. Duodenum c. Ileum d. Jejunum

B

The largest of the salivary glands is the a. sublingual gland b. parotid gland c. submaxillary gland d. submandibular gland

B

The layer of the digestive tract that generates peristalsis is the a. serosa b. muscularis c. submucosa d. mucosa

B

The layers of the digestive tract from the inside (lumen) to the outside are a. submucosa, mucosa, muscularis, serosa b. mucosa, submucosa, muscularis, serosa c. mucosa, submucosa, serosa, muscularis d. mucosa, serosa, submucosa, muscularis

B

The most abundant end product of carbohydrate digestion is a. maltose b. glucose c. lactose d. sucrose

B

The part of the stomach to the left and above the opening of the esophagus into the stomach is the a. pylorus b. fundus c. body d. rugae

B

The semisolid mixture in the stomach is called a. bolus b. chyme c. feces d. deglutition

B

The tube that drains bile from the gallbladder is the a. common bile duct b. cystic duct c. hepatic duct d. major duodenal papillae

B

The vermiform appendix a. produces enzymes that assist in fat digestion b. gets its name because it looks like a worm c. is important in the reabsorption of bile d. none of the above

B

This part of the pharynx is the most actively and directly involved in the digestive process a. nasopharynx b. oropharynx c. laryngopharynx d. epiglottis

B

This salivary gland produces both mucus and enzyme-containing saliva a. parotid gland b. submandibular gland c. sublingual gland d. all of the above glands produce both types of saliva

B

Which of the following is a main organ of the digestive system? a. Liver b. Stomach c. Pancreas d. Both b and c above

B

Which of the following is not considered a main part of the tooth? a. Root b. Cuspid c. Crown d. Neck

B

Which of the following is not true of the esophagus? a. It is about 25 centimeters long. b. It is a tube that connects the larynx and stomach. c. It is a muscular, mucus-lined tube. d. The mucosal lining lubricates the tube to permit easier passage of food to the stomach.

B

Which of the following statements is correct? a. The cystic duct drains bile from the liver. b. The cystic duct and hepatic duct join to form the common bile duct. c. The hepatic duct connects the gallbladder and the small intestine. d. Both a and c above

B

Amylase is made in the a. salivary glands b. stomach c. pancreas d. both a and c above

D

Because of its location, the pharynx can be considered part of the a. digestive system b. musculoskeletal system c. respiratory system d. both a and c above

D

Bile a. causes the emulsification of fat b. is made in the liver c. works in the small intestine d. all of the above

D

Dentin is found in the a. root of the tooth b. crown of the tooth c. neck of the tooth d. all of the above

D

Food undergoes which of the following types of processing in the body? a. Digestion b. Absorption c. Metabolism d. All of the above

D

Protein digestion a. end products are amino acids b. uses peptidase made in the small intestines c. uses trypsin made in the pancreas d. all of the above

D

The function of bile is to a. chemically digest fat b. emulsify fat c. remove cholesterol from the body d. both b and c above

D

The layer of the digestive tract that is composed of stratified and columnar epithelium is the a. serosa b. muscularis c. submucosa d. mucosa

D

The secretion of the hormone cholecystokinin from the small intestine causes a. an increase in peristalsis in the stomach b. a relaxation of the pyloric sphincter c. an increase of intestinal segmentation d. a contraction of the gallbladder to move bile to the duodenum

D

The structure that regulates the movement of food from the stomach to the small intestine is the a. esophageal sphincter b. cardiac sphincter c. fundal sphincter d. pyloric sphincter

D

The term tricuspids refers to these types of teeth a. incisors b. canines c. premolars d. molars

D

Tooth decay, or dental caries, is a disease of this part of the tooth a. enamel b. dentin c. cementum d. all of the above

D

Which of the following is an extension of the peritoneum? a. Mesentery b. Cecum c. The greater omentum d. Both a and c above

D

Which of the following is not a function of the pancreas? a. Produces enzymes that digest proteins b. Produces proteins that digest fat c. Produces a substance that neutralizes hydrochloric acid produced in the stomach d. All of the above are functions of the pancreas

D

Which of the following statements is not true? a. Peristalsis pushes food through the digestive tract. b. Segmentation does not move food through the digestive tract. c. Segmentation continues the mechanical digestion of food. d. All of the above statements are true.

D

Which of the following substances is absorbed by the large intestine? a. Salts b. Vitamin K c. Water d. All of the above

D

Which of the following is not true of the gastrointestinal tract? a. It is about 9 feet long in adults. b. It is also called the alimentary canal. c. The material in the gastrointestinal tract is considered to be outside the body. d. All of the above are true of the gastrointestinal tract.

A

Which of the following substances is absorbed into the blood capillaries of the intestinal villi? a. Amino acids b. Fatty acids c. Glycerol d. All of the above

A

Which structure prevents food and liquid from entering the nasal cavities above the mouth? a. Soft palate b. Frenulum c. Vallate papillae d. Both a and b above

A

A full set of permanent consists of a. 20 teeth b. 24 teeth c. 32 teeth d. 38 teeth

C

At the hepatic flexure, the a. transverse colon becomes the descending colon b. descending colon becomes the transverse colon c. ascending colon becomes the transverse colon d. ascending colon becomes the descending colon

C

Enzymes are important in a. mechanical digestion b. deglutition c. chemical digestion d. both a and c above

C

Fat digestion begins in the a. mouth b. stomach c. small intestine d. large intestine

C

From which salivary gland do the ducts that open on either side of the lingual frenulum come? a. Sublingual gland b. Submaxillary gland c. Submandibular gland d. None of the above

C

In the stomach a. pepsin converts hydrochloric acid to pepsinogen b. pepsin converts pepsinogen to hydrochloric acid c. hydrochloric acid converts pepsinogen to pepsin d. hydrochloric acid converts pepsin to pepsinogen

C

In which part of the small intestine does most of the chemical digestion occur? a. Ileum b. Jejunum c. Duodenum d. Both a and c above

C

Lining each tooth socket is a. a mucous membrane b. a simple squamous epithelium membrane c. a periodontal membrane d. dentin

C

The end product of amylase digestion is usually a. glucose b. lactose c. maltose d. fructose

C

The layer of the digestive tract that contains blood vessels, nerves, and connective tissue is the a. serosa b. muscularis c. submucosa d. mucosa

C

The length of the gastrointestinal tract in an adult is about a. 9 feet b. 19 feet c. 29 feet d. 39 feet

C

The movement of digested food from the digestive system to the circulating fluid is called a. digestion b. deglutition c. absorption d. peristalsis

C

The tube that drains bile from the liver is the a. common bile duct b. cystic duct c. hepatic duct d. major duodenal papillae

C

Which of the following is not a characteristic of enzymes? a. Their names frequently end in -ase. b. They act as catalysts for the digestion of food. c. One enzyme can act on many different types of food. d. All of the above are characteristics of enzymes.

C

Which of the following is not an example of mechanical digestion? a. Chewing food b. Churning food in the stomach c. Enzymes breaking food down to small molecules d. All of the above are examples of mechanical digestion

C

Which of the following processes does not occur in the digestive system exclusively? a. Digestion b. Absorption c. Metabolism d. All of the above occur in the digestive system exclusively

C

Which of the following processes is not considered an example of mechanical digestion? a. The teeth chewing food b. The stomach churning food c. Amylase acting on food in the mouth d. Bile acting on food in the small intestine

C

Which of the following structures does not help to increase the absorptive surface area of the small intestine? a. Villi b. Plicae c. Lacteal d. Microvilli

C