Question 1

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)  picaF) All of the above
G) A) and D)

Question 2

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.F) A) and B)
G) A) and C)

Question 3

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.F) All of the above
G) C) and D)

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.F) D) and E)
G) B) and D)

Question 5

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.F) A) and C)
G) B) and D)

Question 6

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 intestineF) A) and E)
G) B) and E)

Question 7

In Figure 14.1,which structure is the liver?

Accepted Answer

A)  1
B)  2
C)  3
D)  4
E)  5F) C) and D)
G) A) and C)

Question 8

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)  calciumF) B) and E)
G) A) and E)

Question 9

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.F) B) and C)
G) None of the above

Question 10

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.F) A) and E)
G) None of the above

Question 11

Crohn's disease is considered an autoimmune disease.

Accepted Answer

A) True 
 B)False

Question 12

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.F) D) and E)
G) B) and C)

Question 13

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 fatsF) A) and C)
G) A) and B)

Question 14

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 lipaseF) None of the above
G) C) and E)

Question 15

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 liverF) A) and D)
G) A) and E)

Question 16

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.F) B) and D)
G) A) and C)

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

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.F) A) and D)
G) A) and C)

Question 19

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)  5F) B) and C)
G) A) and D)

Question 20

Muscles that encircle tubes and act as valves are called

Accepted Answer

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

Exam 14: Digestive System and Nutrition

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which is NOT a correct association of intestinal disorders?

Correct AnswerverifiedShow Answer

The importance of dietary fiber includes all of the following EXCEPT

Correct AnswerverifiedShow Answer

In Figure 14.1,which structure is the liver?

Correct AnswerverifiedShow Answer

The digestive system does NOT function in the

Correct AnswerverifiedShow Answer

Secretin functions to stimulate the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A correct function of the human stomach is

Correct AnswerverifiedShow Answer

Which of the following is not true of the tongue?

Correct AnswerverifiedShow Answer

Muscles that encircle tubes and act as valves are called

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The pH of the stomach is usually about

Correct AnswerverifiedShow Answer

Crohn's disease is considered an autoimmune disease.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is NOT true of the duodenum?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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