Question 1

Which of the following is not true of the tongue?

Accepted Answer

A) The tongue functions to mix food with saliva and assist in swallowing. 
B) A person's tongue is moved by external muscles. 
C) The tongue consists of skeletal muscle under voluntary control. 
D) The tongue is attached to the floor of the mouth. 
E) The tongue secretes salivary amylase. 
A) The tongue functions to mix food with saliva and assist in swallowing. 
B) A person's tongue is moved by external muscles. 
C) The tongue consists of skeletal muscle under voluntary control. 
D) The tongue is attached to the floor of the mouth. 
E) The tongue secretes salivary amylase.

Question 2

Which of the following types of lipids do not promote cardiovascular disease?

Accepted Answer

A) cholesterol 
B) trans saturated fatty acids 
C) saturated fatty acids 
D) unsaturated fatty acids 
E) animal fats 
A) cholesterol 
B) trans saturated fatty acids 
C) saturated fatty acids 
D) unsaturated fatty acids 
E) animal fats

Question 3

Which structure in Figure 14.1 stores food,has limited digestion,and secretes HCl?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Question 4

Secretin functions to stimulate the

Accepted Answer

A) release of bile. 
B) release of pancreatic juices,particularly sodium bicarbonate. 
C) release of gastrin. 
D) release of CCK. 
E) release of bile from the gallbladder and the release of pancreatic juices from the pancreas. 
A) release of bile. 
B) release of pancreatic juices,particularly sodium bicarbonate. 
C) release of gastrin. 
D) release of CCK. 
E) release of bile from the gallbladder and the release of pancreatic juices from the pancreas.

Question 5

Crohn's disease is considered an autoimmune disease.

Accepted Answer

A) True 
 B)False

Question 6

A correct function of the human stomach is

Accepted Answer

A) to produce highly basic fluids to kill most bacteria. 
B) to begin the absorption of most small food molecules,especially sugars. 
C) storage of food and mixing with digestive fluids to allow chemical digestion. 
D) to pass food from the esophagus to the large intestine. 
E) absorption of iron to build hemoglobin for red blood cells. 
A) to produce highly basic fluids to kill most bacteria. 
B) to begin the absorption of most small food molecules,especially sugars. 
C) storage of food and mixing with digestive fluids to allow chemical digestion. 
D) to pass food from the esophagus to the large intestine. 
E) absorption of iron to build hemoglobin for red blood cells.

Question 7

People who are obese lack self-control and should just not eat as much.

Accepted Answer

A) True 
 B)False

Question 8

If we set up an experimental design to explore the full digestion of starch to glucose,we would need to include which enzymes?

Accepted Answer

A) pepsin and hydrochloric acid 
B) amylase and maltase 
C) trypsin and maltase 
D) pepsin and lipase 
E) trypsin and lipase 
A) pepsin and hydrochloric acid 
B) amylase and maltase 
C) trypsin and maltase 
D) pepsin and lipase 
E) trypsin and lipase

Question 9

Which eating disorder is characterized by an irrational fear of getting fat,often associated with a perceived body defect?

Accepted Answer

A) anorexia nervosa 
B) bulimia nervosa 
C) binge-eating and purging 
D) binge-eating 
E) pica 
A) anorexia nervosa 
B) bulimia nervosa 
C) binge-eating and purging 
D) binge-eating 
E) pica

Question 10

Which organ of the digestive tract functions to store food,kill bacteria,and partially digest proteins?

Accepted Answer

A) mouth 
B) esophagus 
C) stomach 
D) small intestine 
E) large intestine 
A) mouth 
B) esophagus 
C) stomach 
D) small intestine 
E) large intestine

Question 11

Muscles that encircle tubes and act as valves are called

Accepted Answer

A) constrictors. 
B) dilators. 
C) sphincters. 
D) lacteals. 
E) mucosa. 
A) constrictors. 
B) dilators. 
C) sphincters. 
D) lacteals. 
E) mucosa.

Question 12

In Figure 14.1,which structure is the liver?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Question 13

Which is NOT a correct association of intestinal disorders?

Accepted Answer

A) diarrhea-rapid movement of feces that may result in dehydration 
B) constipation-too slow movement of feces,permitting hard and dry feces 
C) polyps-small growths on the epithelial lining that can become cancerous 
D) hemorrhoids-a sexually contracted disease 
E) hepatitis-inflammation of the liver 
A) diarrhea-rapid movement of feces that may result in dehydration 
B) constipation-too slow movement of feces,permitting hard and dry feces 
C) polyps-small growths on the epithelial lining that can become cancerous 
D) hemorrhoids-a sexually contracted disease 
E) hepatitis-inflammation of the liver

Question 14

The digestive system does NOT function in the

Accepted Answer

A) chemical breakdown of food. 
B) mechanical breakdown of food. 
C) elimination of waste products. 
D) absorption of food molecules. 
E) manufacture of food molecules. 
A) chemical breakdown of food. 
B) mechanical breakdown of food. 
C) elimination of waste products. 
D) absorption of food molecules. 
E) manufacture of food molecules.

Question 15

The pH of the stomach is usually about

Accepted Answer

A) 2.0. 
B) 4.0. 
C) 7.0. 
D) 9.0. 
E) 11.0. 
A) 2.0. 
B) 4.0. 
C) 7.0. 
D) 9.0. 
E) 11.0.

Question 16

Which of the following is NOT true of the duodenum?

Accepted Answer

A) It is a duct from the liver that introduces bile. 
B) It is a pancreatic duct that introduces basic fluids to neutralize the stomach acid. 
C) Highly acidic stomach contents enter the small intestine here. 
D) It contains villi for absorption. 
E) It produces HCl. 
A) It is a duct from the liver that introduces bile. 
B) It is a pancreatic duct that introduces basic fluids to neutralize the stomach acid. 
C) Highly acidic stomach contents enter the small intestine here. 
D) It contains villi for absorption. 
E) It produces HCl.

Question 17

If you vomit and stomach contents move out through the nose,there has been a failure of the

Accepted Answer

A) reflex action of reverse peristalsis. 
B) trachea to move up under the epiglottis to cover the glottis. 
C) soft palate to move back to close off the nasopharynx. 
D) larynx to move up. 
E) glottis to retain food. 
A) reflex action of reverse peristalsis. 
B) trachea to move up under the epiglottis to cover the glottis. 
C) soft palate to move back to close off the nasopharynx. 
D) larynx to move up. 
E) glottis to retain food.

Question 18

Obesity,bulimia nervosa,and anorexia nervosa are alike in that

Accepted Answer

A) all are difficult to treat and may be caused by a number of factors. 
B) all involve eating far less than is required for the body to function. 
C) all involve vomiting or purging after eating. 
D) in all cases the person is actually starving to death regardless of their outside appearance. 
E) in all cases the person is on a very restrictive diet. 
A) all are difficult to treat and may be caused by a number of factors. 
B) all involve eating far less than is required for the body to function. 
C) all involve vomiting or purging after eating. 
D) in all cases the person is actually starving to death regardless of their outside appearance. 
E) in all cases the person is on a very restrictive diet.

Question 19

Which of the following is NOT a mineral required by the body?

Accepted Answer

A) iron 
B) folic acid (folacin) 
C) copper 
D) sodium 
E) calcium 
A) iron 
B) folic acid (folacin) 
C) copper 
D) sodium 
E) calcium

Question 20

The importance of dietary fiber includes all of the following EXCEPT

Accepted Answer

A) dilution of bile salts. 
B) addition of bulk to the digestive tract. 
C) a decreased risk of constipation. 
D) a possible decreased risk of polyp formation. 
E) increased blood cholesterol levels. 
A) dilution of bile salts. 
B) addition of bulk to the digestive tract. 
C) a decreased risk of constipation. 
D) a possible decreased risk of polyp formation. 
E) increased blood cholesterol levels.

Exam 14: Digestive System and Nutrition

Which of the following is not true of the tongue?

Which of the following types of lipids do not promote cardiovascular disease?

Which structure in Figure 14.1 stores food,has limited digestion,and secretes HCl?

Secretin functions to stimulate the

Crohn's disease is considered an autoimmune disease.

A correct function of the human stomach is

People who are obese lack self-control and should just not eat as much.

If we set up an experimental design to explore the full digestion of starch to glucose,we would need to include which enzymes?

Which eating disorder is characterized by an irrational fear of getting fat,often associated with a perceived body defect?

Which organ of the digestive tract functions to store food,kill bacteria,and partially digest proteins?

Muscles that encircle tubes and act as valves are called

In Figure 14.1,which structure is the liver?

Which is NOT a correct association of intestinal disorders?

The digestive system does NOT function in the

The pH of the stomach is usually about

Which of the following is NOT true of the duodenum?

If you vomit and stomach contents move out through the nose,there has been a failure of the

Obesity,bulimia nervosa,and anorexia nervosa are alike in that

Which of the following is NOT a mineral required by the body?

The importance of dietary fiber includes all of the following EXCEPT

The Study of Life

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