Question 1

Water is absorbed primarily by the

Accepted Answer

A)  large intestine.
B)  duodenum.
C)  stomach.
D)  anal canal.
E)  esophagus.F) A) and B)
G) A) and E)

Question 2

In the past,ulcers were treated by a bland diet and drugs to reduce the acidity of the stomach.Today,ulcers are often treated with antibiotics.What evidence caused the change in treatment?

Accepted Answer

A)  Experiments showed that antibiotics reduce stomach acidity better than the drugs used previously.
B)  Experiments showed that Helicobacter pylori infection was the cause of many ulcers.
C)  Experiments showed that the healing of ulcers required a more acidic,not a less acidic,environment.
D)  Experiments showed that bland diets actually led to an increase in ulcers.
E)  Experiments showed that ulcers were due to stress.F) A) and B)
G) A) and C)

Question 3

Name the structure and organ of the digestive tract that contain microvilli and maltase,and absorb nutrients.

Accepted Answer

A)  villus,large intestine
B)  villus,small intestine
C)  villus,stomach
D)  folds,stomach
E)  pyloric sphincter,appendixF) B) and E)
G) C) and E)

Question 4

What is the function of sodium bicarbonate in the digestive tract?

Accepted Answer

A)  destruction of bacteria
B)  digestion of fat in the small intestine
C)  neutralization of chyme arriving at the small intestine
D)  breakdown of connective tissue in the stomach
E)  activation of pepsin in the stomachF) A) and C)
G) A) and B)

Question 5

Which of the following is an infectious cause of jaundice?

Accepted Answer

A)  trauma
B)  gallstones
C)  cancer
D)  alcoholism
E)  hepatitis BF) C) and E)
G) None of the above

Question 6

A woman is not getting enough calcium in her diet.One of the first symptoms she may experience would be

Accepted Answer

A)  a broken bone.
B)  anemia
C)  irregular heart beat
D)  muscle spasms
E)  night blindnessF) A) and B)
G) B) and C)

Question 7

Which of the following is not a function of the liver?

Accepted Answer

A)  the production of bile
B)  the production of digestive enzymes
C)  the production of blood proteins
D)  the removal of blood toxins
E)  the storage of iron and certain vitaminsF) C) and E)
G) B) and C)

Question 8

You suddenly develop explosive and frequent diarrhea.Which of the following is most likely not the cause?

Accepted Answer

A)  stress
B)  consumption of spicy food
C)  infection by a protozoan
D)  infection by a virus
E)  infection by a bacteriaF) C) and D)
G) B) and D)

Question 9

Which of the following associations is not true?

Accepted Answer

A)  Vitamin E is necessary for blood clotting.
B)  A deficiency in Vitamin C can cause delayed healing of wounds.
C)  A vital source of Vitamin A is deep yellow/orange vegetables.
D)  Many B vitamins can be obtained from green leafy vegetables or whole grains.
E)  Vitamin D is necessary for proper calcium absorption.F) B) and D)
G) A) and B)

Question 10

At body temperature,which of these combinations is most likely to result in the digestion of proteins?

Accepted Answer

A)  water,pepsin
B)  HCl,pepsin
C)  bile,pepsin
D)  sodium bicarbonate,pepsin
E)  pepsin,HCl,sodium bicarbonateF) D) and E)
G) C) and E)

Question 11

Which of the following will NOT increase the risk of obesity?

Accepted Answer

A)  sedentary activities
B)  poor eating habits as a family
C)  exercise and sensible diet
D)  excessive intake of fatty foods
E)  body fat content above 20% ideal body weightF) All of the above
G) C) and D)

Question 12

The hepatic portal vein empties into the inferior vena cava.

Accepted Answer

A) True 
 B)False

Question 13

List the organs that food will pass through,starting with the mouth and ending with the anus.

Accepted Answer

Mouth - pharynx - es...

Question 14

Which of the following statements about proteins in the diet is not true?

Accepted Answer

A)  Complete protein sources include meat,milk,and eggs.
B)  Legumes,seeds,nuts,and grains can be good protein sources,but contain insufficient amounts of at least one essential amino acid.
C)  The body is harmed if an excess of protein is consumed.
D)  Amino acids are stored in the body,so we do not need a regular supply of protein in the diet.
E)  Two servings of meat a day,each approximately the size of a deck of cards,is considered enough protein.F) B) and D)
G) A) and E)

Question 15

Which item will most likely be eaten by an individual who suffers from pica?

Accepted Answer

A)  charcoal
B)  cookies
C)  cakes
D)  ice cream
E)  All of the answer choices are associated with pica.F) D) and E)
G) A) and B)

Question 16

Starting from the inside of the esophagus and going to the outside,the layers of the digestive tract in sequence are

Accepted Answer

A)  serosa  →\rightarrow→  smooth muscle  →\rightarrow→ submucosa  →\rightarrow→ mucosa.
B)  serosa  →\rightarrow→ submucosa →\rightarrow→ smooth muscle  →\rightarrow→  mucosa.
C)  mucosa  →\rightarrow→  smooth muscle  →\rightarrow→ submucosa  →\rightarrow→  serosa.
D)  mucosa  →\rightarrow→  submucosa  →\rightarrow→ serosa  →\rightarrow→  smooth muscle.
E)  mucosa  →\rightarrow→  submucosa  →\rightarrow→ smooth muscle  →\rightarrow→ serosa. F) None of the above
G) A) and D)

Question 17

Which association is NOT correct?

Accepted Answer

A)  Periodontitis is a loss of bone and loosening of teeth that occurs in old age.
B)  Gingivitis is an inflammation of the gums that can spread to the periodontal membrane.
C)  The loss of 20 deciduous teeth is a natural process that occurs as a child.
D)  Tooth decay or dental caries is a natural erosion of teeth from wear and tear.
E)  Tonsillitis is an inflammation of the tonsils.F) A) and E)
G) B) and E)

Question 18

Protein digestion takes place in the

Accepted Answer

A)  mouth,stomach,and small intestine.
B)  stomach and small intestine.
C)  stomach,esophagus,and small intestine.
D)  mouth and large intestine.
E)  small intestine,large intestine,and mouth.F) A) and E)
G) B) and D)

Question 19

Which eating disorder is most likely due to a person being depressed?

Accepted Answer

A)  binge-eating disorder
B)  bulimia nervosa
C)  pica
D)  anorexia nervosa
E)  None of the answer choices is associated with depression.F) C) and D)
G) All of the above

Question 20

Inflammation of the gums is called

Accepted Answer

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

Exam 14: Digestive System and Nutrition

Which of the following is an infectious cause of jaundice?

Correct AnswerverifiedShow Answer

List the organs that food will pass through,starting with the mouth and ending with the anus.

Correct AnswerverifiedMouth - pharynx - es...View AnswerShow Answer

In the past,ulcers were treated by a bland diet and drugs to reduce the acidity of the stomach.Today,ulcers are often treated with antibiotics.What evidence caused the change in treatment?

Correct AnswerverifiedShow Answer

Which of the following associations is not true?

Correct AnswerverifiedShow Answer

A woman is not getting enough calcium in her diet.One of the first symptoms she may experience would be

Correct AnswerverifiedShow Answer

Starting from the inside of the esophagus and going to the outside,the layers of the digestive tract in sequence are

Correct AnswerverifiedShow Answer

Which eating disorder is most likely due to a person being depressed?

Correct AnswerverifiedShow Answer

The hepatic portal vein empties into the inferior vena cava.

Correct AnswerverifiedShow Answer

Which of the following is not a function of the liver?

Correct AnswerverifiedShow Answer

Water is absorbed primarily by the

Correct AnswerverifiedShow Answer

Protein digestion takes place in the

Correct AnswerverifiedShow Answer

You suddenly develop explosive and frequent diarrhea.Which of the following is most likely not the cause?

Correct AnswerverifiedShow Answer

Which of the following statements about proteins in the diet is not true?

Correct AnswerverifiedShow Answer

Inflammation of the gums is called

Correct AnswerverifiedShow Answer

Which of the following will NOT increase the risk of obesity?

Correct AnswerverifiedShow Answer

Which item will most likely be eaten by an individual who suffers from pica?

Correct AnswerverifiedShow Answer

What is the function of sodium bicarbonate in the digestive tract?

Correct AnswerverifiedShow Answer

Name the structure and organ of the digestive tract that contain microvilli and maltase,and absorb nutrients.

Correct AnswerverifiedShow Answer

At body temperature,which of these combinations is most likely to result in the digestion of proteins?

Correct AnswerverifiedShow Answer

Which association is NOT correct?

Correct AnswerverifiedShow Answer

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