Question 1

Antioxidants are

Accepted Answer

A)  toxic chemicals that must be avoided in the diet. 
B)  the breakdown products of protein digestion. 
C)  another name for free radicals. 
D)  chemicals found in fruits and vegetables that defend against free radicals. 
E)  only found in food supplements in pill form. 
A)  toxic chemicals that must be avoided in the diet. 
B)  the breakdown products of protein digestion. 
C)  another name for free radicals. 
D)  chemicals found in fruits and vegetables that defend against free radicals. 
E)  only found in food supplements in pill form.

Question 2

Which of the following is considered an accessory gland in the digestive system?

Accepted Answer

A)  pharynx 
B)  esophagus 
C)  stomach 
D)  cecum 
E)  pancreas 
A)  pharynx 
B)  esophagus 
C)  stomach 
D)  cecum 
E)  pancreas

Question 3

Which layer of the intestinal wall will first absorb nutrients from the lumen?

Accepted Answer

A)  serosa 
B)  longitudinal muscle 
C)  circular muscle 
D)  submucosa 
E)  mucosa 
A)  serosa 
B)  longitudinal muscle 
C)  circular muscle 
D)  submucosa 
E)  mucosa

Question 4

Which of the following human digestive enzymes is correctly matched to its substrate?

Accepted Answer

A)  pepsin-starch 
B)  trypsin-nucleic acid 
C)  salivary amylase-protein 
D)  lipase-fat 
E)  maltase-glucose 
A)  pepsin-starch 
B)  trypsin-nucleic acid 
C)  salivary amylase-protein 
D)  lipase-fat 
E)  maltase-glucose

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

What is the significance of Helicobacter pylori in the digestive system?

Accepted Answer

A)  This is the major infectious cause of diarrhea. 
B)  Most ulcers are due to stomach infection with this bacteria. 
C)  This is the causative agent of "strep throat." 
D)  This species of bacteria is the main cause of the odor of feces. 
E)  This species of bacteria converts roughage into vitamin D. 
A)  This is the major infectious cause of diarrhea. 
B)  Most ulcers are due to stomach infection with this bacteria. 
C)  This is the causative agent of "strep throat." 
D)  This species of bacteria is the main cause of the odor of feces. 
E)  This species of bacteria converts roughage into vitamin D.

Question 7

The body is unable to make any amino acids so all 20 of them must be acquired from a balanced diet.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following is a function of the digestive system?

Accepted Answer

A)  chemical breakdown of food 
B)  mechanical breakdown of food 
C)  elimination of waste products 
D)  absorption of food molecules 
E)  All of the answer choices describe functions of the digestive system. 
A)  chemical breakdown of food 
B)  mechanical breakdown of food 
C)  elimination of waste products 
D)  absorption of food molecules 
E)  All of the answer choices describe functions of the digestive system.

Question 9

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 10

The main function of the esophagus is to

Accepted Answer

A)  digest proteins. 
B)  digest carbohydrates. 
C)  transport food from the small intestine to the large intestine. 
D)  transport food from the mouth to the stomach. 
E)  transport food from the stomach to the large intestine. 
A)  digest proteins. 
B)  digest carbohydrates. 
C)  transport food from the small intestine to the large intestine. 
D)  transport food from the mouth to the stomach. 
E)  transport food from the stomach to the large intestine.

Question 11

-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 12

Which of the following diseases is/are associated with a deficient or excess nutrients in the diet?

Accepted Answer

A)  scurvy 
B)  anemia 
C)  cardiovascular disease 
D)  osteoporosis 
E)  All of the answer choices are diseases associated with either deficiency or excess of nutrients. 
A)  scurvy 
B)  anemia 
C)  cardiovascular disease 
D)  osteoporosis 
E)  All of the answer choices are diseases associated with either deficiency or excess of nutrients.

Question 13

The tongue consists of smooth muscle that is under voluntary control.

Accepted Answer

A) True 
 B)False

Question 14

Which eating disorder is the most common?

Accepted Answer

A)  binge-eating disorder 
B)  pica 
C)  anorexia nervosa 
D)  bulimia nervosa 
E)  stomach ulcers 
A)  binge-eating disorder 
B)  pica 
C)  anorexia nervosa 
D)  bulimia nervosa 
E)  stomach ulcers

Question 15

Which of the following represents a category of the MyPlate food guide symbol?

Accepted Answer

A)  skim milk 
B)  orange 
C)  chicken breast 
D)  whole wheat bread 
E)  All of the answer choices represent a category of the MyPlate food guide symbols. 
A)  skim milk 
B)  orange 
C)  chicken breast 
D)  whole wheat bread 
E)  All of the answer choices represent a category of the MyPlate food guide symbols.

Question 16

The hepatic portal vein is located between

Accepted Answer

A)  the gallbladder and the liver. 
B)  the gallbladder and the small intestine. 
C)  the pancreas and the small intestine. 
D)  the small intestine and the liver. 
E)  the large intestine and the small intestine. 
A)  the gallbladder and the liver. 
B)  the gallbladder and the small intestine. 
C)  the pancreas and the small intestine. 
D)  the small intestine and the liver. 
E)  the large intestine and the small intestine.

Question 17

You can eliminate all fat from your diet without suffering any harmful effects.

Accepted Answer

A) True 
 B)False

Question 18

Inflammation of the gums is called

Accepted Answer

A)  gingivitis. 
B)  periodontitis. 
C)  dental caries. 
D)  gumma infections. 
E)  gummitis. 
A)  gingivitis. 
B)  periodontitis. 
C)  dental caries. 
D)  gumma infections. 
E)  gummitis.

Question 19

Human salivary glands

Accepted Answer

A)  produce an enzyme to begin the digestion of starch. 
B)  can swell when infected by the virus that causes mumps. 
C)  keep the mouth moist. 
D)  have ducts that open under the tongue. 
E)  All of the answer choices accurately describe the salivary glands. 
A)  produce an enzyme to begin the digestion of starch. 
B)  can swell when infected by the virus that causes mumps. 
C)  keep the mouth moist. 
D)  have ducts that open under the tongue. 
E)  All of the answer choices accurately describe the salivary glands.

Question 20

You suddenly develop acute diarrhea. Which of the following is the most likely cause?

Accepted Answer

A)  stress 
B)  consumption of spicy food 
C)  infection by a protozoan, bacterium, or virus 
D)  autoimmune disorder 
E)  genetic predisposition 
A)  stress 
B)  consumption of spicy food 
C)  infection by a protozoan, bacterium, or virus 
D)  autoimmune disorder 
E)  genetic predisposition

Exam 14: Digestive System and Nutrition

Antioxidants are

Which of the following is considered an accessory gland in the digestive system?

Which layer of the intestinal wall will first absorb nutrients from the lumen?

Which of the following human digestive enzymes is correctly matched to its substrate?

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

What is the significance of Helicobacter pylori in the digestive system?

The body is unable to make any amino acids so all 20 of them must be acquired from a balanced diet.

Which of the following is a function of the digestive system?

Secretin functions to stimulate the

The main function of the esophagus is to

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

Which of the following diseases is/are associated with a deficient or excess nutrients in the diet?

The tongue consists of smooth muscle that is under voluntary control.

Which eating disorder is the most common?

Which of the following represents a category of the MyPlate food guide symbol?

The hepatic portal vein is located between

You can eliminate all fat from your diet without suffering any harmful effects.

Inflammation of the gums is called

Human salivary glands

You suddenly develop acute diarrhea. Which of the following is the most likely cause?

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