Question 1

The lining of the small intestine is smooth and flat, allowing for increased transit time of food material.

Accepted Answer

A) True 
 B)False

Question 2

Diarrhea, while unpleasant, represents the body's way of ridding itself of some invasive agent.

Accepted Answer

A) True 
 B)False

Question 3

How does the liver regulate blood nutrients?

Accepted Answer

The liver is the largest accessory organ...

Question 4

Which organ plays a major role in regulating the level and type of energy nutrients circulating in the blood?

Accepted Answer

A)   gall bladder
B)   pancreas
C)   liver
D)   stomachE) B) and C)
F) A) and D)

Question 5

The first part of the small intestine is the

Accepted Answer

A)   gallbladder.
B)   pancreas.
C)   ileocecal valve.
D)   duodenum.E) All of the above
F) A) and B)

Question 6

The gastric peptide, ghrelin, causes

Accepted Answer

A)   people to eat more.
B)   people to eat less.
C)   no effect on food intake.
D)   weight loss over a period of time.E) None of the above
F) A) and B)

Question 7

Our genetic information, in the form of deoxyribonucleic acid (DNA) , is located in the

Accepted Answer

A)   endoplasmic reticulum (ER) .
B)   mitochondria.
C)   nucleus.
D)   cytoplasm.E) C) and D)
F) All of the above

Question 8

The structure of the brush border aids digestion by

Accepted Answer

A)   increasing the small intestine's absorptive capacity.
B)   increasing the large intestine's absorptive capacity.
C)   releasing bile quickly into the duodenum.
D)   mechanically breaking down food.E) None of the above
F) All of the above

Question 9

Tight rings of muscles that control the movement of food through the organs of the gastrointestinal tract are villi.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following does NOT occur in the acidic conditions of the stomach?

Accepted Answer

A)   pancreatic enzymes working effectively to digest carbohydrates, fats, and proteins
B)   protection of the human body from bacteria in food
C)   denaturing of protein to allow its breakdown and absorption
D)   activation of pepsinE) B) and D)
F) None of the above

Question 11

Describe 3 potential beneficial health effects provided by bacteria in the GI tract.

Accepted Answer

Probiotics have been linked to a long li...

Question 12

Gastroesophageal reflux (GER) is more commonly known as heartburn.

Accepted Answer

A) True 
 B)False

Question 13

Salivary amylase begins the digestion of which nutrient in the mouth?

Accepted Answer

A)   protein
B)   fat
C)   carbohydrate
D)   ironE) B) and C)
F) C) and D)

Question 14

Describe how the stomach is involved in human digestion. Include enzyme and hormone actions that occur here and the role that the stomach plays in the breakdown of carbohydrate, protein, and fat.

Accepted Answer

The stomach is involved in both mechanic...

Question 15

The human GI tract is approximately 30 feet long.

Accepted Answer

A) True 
 B)False

Question 16

Untreated diarrhea can be fatal in young children.

Accepted Answer

A) True 
 B)False

Question 17

Immediately after absorption, most of the fat-soluble nutrients are carried through which system?

Accepted Answer

A)   the vascular
B)   the mesenteric
C)   the lymphatic
D)   the enterohepaticE) B) and C)
F) A) and C)

Question 18

The presence of any bacteria in the large intestine indicates a potentially serious systemic allergic reaction that can be fatal if left untreated.

Accepted Answer

A) True 
 B)False

Question 19

Responding to the presence of protein and fat in our meal, cholecystokinin (CCK)  signals the gallbladder to release a substance called

Accepted Answer

A)   lipase.
B)   pepsin.
C)   chyme.
D)   bile.E) B) and D)
F) A) and B)

Question 20

The majority of nutrient absorption takes place in the pancreas.

Accepted Answer

A) True 
 B)False

Exam 3: The Human Body: Are We Really What We Eat

How does the liver regulate blood nutrients?

Correct AnswerverifiedThe liver is the largest accessory organ...View AnswerShow Answer

Which of the following does NOT occur in the acidic conditions of the stomach?

Correct AnswerverifiedShow Answer

The lining of the small intestine is smooth and flat, allowing for increased transit time of food material.

Correct AnswerverifiedShow Answer

The majority of nutrient absorption takes place in the pancreas.

Correct AnswerverifiedShow Answer

Diarrhea, while unpleasant, represents the body's way of ridding itself of some invasive agent.

Correct AnswerverifiedShow Answer

The human GI tract is approximately 30 feet long.

Correct AnswerverifiedShow Answer

The first part of the small intestine is the

Correct AnswerverifiedShow Answer

The gastric peptide, ghrelin, causes

Correct AnswerverifiedShow Answer

Responding to the presence of protein and fat in our meal, cholecystokinin (CCK) signals the gallbladder to release a substance called

Correct AnswerverifiedShow Answer

Gastroesophageal reflux (GER) is more commonly known as heartburn.

Correct AnswerverifiedShow Answer

Salivary amylase begins the digestion of which nutrient in the mouth?

Correct AnswerverifiedShow Answer

Describe how the stomach is involved in human digestion. Include enzyme and hormone actions that occur here and the role that the stomach plays in the breakdown of carbohydrate, protein, and fat.

Correct AnswerverifiedThe stomach is involved in both mechanic...View AnswerShow Answer

The structure of the brush border aids digestion by

Correct AnswerverifiedShow Answer

Which organ plays a major role in regulating the level and type of energy nutrients circulating in the blood?

Correct AnswerverifiedShow Answer

Untreated diarrhea can be fatal in young children.

Correct AnswerverifiedShow Answer

The presence of any bacteria in the large intestine indicates a potentially serious systemic allergic reaction that can be fatal if left untreated.

Correct AnswerverifiedShow Answer

Our genetic information, in the form of deoxyribonucleic acid (DNA) , is located in the

Correct AnswerverifiedShow Answer

Tight rings of muscles that control the movement of food through the organs of the gastrointestinal tract are villi.

Correct AnswerverifiedShow Answer

Immediately after absorption, most of the fat-soluble nutrients are carried through which system?

Correct AnswerverifiedShow Answer

Describe 3 potential beneficial health effects provided by bacteria in the GI tract.

Correct AnswerverifiedProbiotics have been linked to a long li...View AnswerShow Answer

Correct Answer
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The liver is the largest accessory organ...
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verified
The stomach is involved in both mechanic...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified
Probiotics have been linked to a long li...
View Answer