Question 1

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

Accepted Answer

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

Question 2

In Figure 14.1,which structure is the liver?

Accepted Answer

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

Question 3

Crohn's disease is considered an autoimmune disease.

Accepted Answer

A) True 
 B)False  True

Question 4

Considering the U.S.D.A.recommended diet,which of the following statements is NOT true?

Accepted Answer

A)   Protein should come from poultry, fish, and plant sources.
B)   Whole grain products are a good source of complex carbohydrates and fiber.
C)   The daily diet should contain large amounts of saturated fats.
D)   White bread and other refined carbohydrates should be eaten rarely, if at all.
E)   Salt intake should be low.F) B) and E)
G) A) and E)

Question 5

Soft drinks are a good source of carbohydrates for the body.

Accepted Answer

A) True 
 B)False  False

Question 6

In order for fats to be digested into fatty acids and glycerol efficiently

Accepted Answer

A)   the pH must be around 2 and pepsin must be activated.
B)   pancreatic juice must be secreted and pepsin must be activated.
C)   bile must be present and the pH must be around 2.
D)   the pH must be around 2 and pancreatic juice must be secreted.
E)   pancreatic juice must be secreted and bile must be present.F) All of the above
G) A) and B)

Question 7

Muscles that encircle tubes and act as valves are called

Accepted Answer

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

Question 8

In humans,fats are absorbed

Accepted Answer

A)   in the large intestine.
B)   in the rugae of the stomach.
C)   primarily into the blood capillaries.
D)   primarily into the ducts of the lacteal of the small intestine.
E)   by the liver.F) C) and D)
G) A) and B)

Question 9

In what order does a dentist drill through tooth layers?

Accepted Answer

A)   dentin  →\rarr→ enamel  →\rarr→ pulp
B)   enamel  →\rarr→ dentin  →\rarr→ pulp
C)   enamel  →\rarr→ pulp  →\rarr→ dentin
D)   pulp  →\rarr→ dentin  →\rarr→ enamel
E)   dentin  →\rarr→ pulp  →\rarr→ enamel F) All of the above
G) D) and E)

Question 10

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) A) and B)
G) None of the above

Question 11

The duodenum is NOT a site of

Accepted Answer

A)   a duct from the liver that introduces bile.
B)   a pancreatic duct that introduces basic fluids to neutralize the stomach acid.
C)   arrival of highly acidic stomach contents.
D)   villi for absorption.
E)   production of HCl.F) D) and E)
G) A) and D) E

Question 12

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) All of the above
G) B) and D)

Question 13

Which of the following disease is not caused by deficient/excess nutrients in the diet?

Accepted Answer

A)   scurvy
B)   anemia
C)   cardiovascular disease
D)   hepatitis
E)   osteoporosisF) C) and E)
G) A) and B)

Question 14

Water is absorbed primarily by the

Accepted Answer

A)   large intestine.
B)   duodenum.
C)   stomach.
D)   anal canal.
E)   esophagus.F) A) and D)
G) None of the above

Question 15

What pH is required in order for protein to be digested into peptides with the use of pepsin?

Accepted Answer

A)   3.0
B)   7.0
C)   7.6
D)   9.3
E)   pepsin will not digest proteins into peptidesF) C) and D)
G) A) and E)

Question 16

Which eating disorder is most commonly diagnosed among people who seek treatment?

Accepted Answer

A)   EDNOS (eating disorders not otherwise specified) 
B)   anorexia nervosa
C)   purging episodes
D)   bulimia nervosa
E)   binge-eating followed by purgingF) B) and C)
G) All of the above

Question 17

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

Question 18

Which of the following does NOT represent a category of the MyPlate food guide symbol?

Accepted Answer

A)   skim milk
B)   orange
C)   chicken breast
D)   whole wheat bread
E)   coffeeF) A) and D)
G) All of the above

Question 19

The hepatic portal vein empties into the inferior vena cava.

Accepted Answer

A) True 
 B)False

Question 20

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

Exam 14: Digestive System and Nutrition

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

Correct AnswerverifiedShow Answer

In Figure 14.1,which structure is the liver?

Correct AnswerverifiedShow Answer

Crohn's disease is considered an autoimmune disease.

Correct AnswerverifiedTrue

Considering the U.S.D.A.recommended diet,which of the following statements is NOT true?

Correct AnswerverifiedShow Answer

Soft drinks are a good source of carbohydrates for the body.

Correct AnswerverifiedFalse

In order for fats to be digested into fatty acids and glycerol efficiently

Correct AnswerverifiedShow Answer

Muscles that encircle tubes and act as valves are called

Correct AnswerverifiedShow Answer

In humans,fats are absorbed

Correct AnswerverifiedShow Answer

In what order does a dentist drill through tooth layers?

Correct AnswerverifiedShow Answer

The importance of dietary fiber includes all of the following EXCEPT

Correct AnswerverifiedShow Answer

The duodenum is NOT a site of

Correct AnswerverifiedE

Protein digestion takes place in the

Correct AnswerverifiedShow Answer

Which of the following disease is not caused by deficient/excess nutrients in the diet?

Correct AnswerverifiedShow Answer

Water is absorbed primarily by the

Correct AnswerverifiedShow Answer

What pH is required in order for protein to be digested into peptides with the use of pepsin?

Correct AnswerverifiedShow Answer

Which eating disorder is most commonly diagnosed among people who seek treatment?

Correct AnswerverifiedShow Answer

Secretin functions to stimulate the

Correct AnswerverifiedShow Answer

Which of the following does NOT represent a category of the MyPlate food guide symbol?

Correct AnswerverifiedShow Answer

The hepatic portal vein empties into the inferior vena cava.

Correct AnswerverifiedShow 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

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
True

Correct Answer
verified

Correct Answer
verified
False

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
E

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified