Question 1

Untreated diarrhea can be fatal in young children.

Accepted Answer

A) True 
 B)False

Question 2

The human GI tract is approximately 30 feet long.

Accepted Answer

A) True 
 B)False

Question 3

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 enterohepatic 
A)  the vascular 
B)  the mesenteric 
C)  the lymphatic 
D)  the enterohepatic

Question 4

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. 
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.

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

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 7

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

Accepted Answer

A) True 
 B)False

Question 8

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 9

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)  stomach 
A)  gall bladder 
B)  pancreas 
C)  liver 
D)  stomach

Question 10

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

Accepted Answer

Probiotics have been linked to a long li

Question 11

The majority of nutrient absorption takes place in the pancreas.

Accepted Answer

A) True 
 B)False

Question 12

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 13

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

Accepted Answer

A)  protein 
B)  fat 
C)  carbohydrate 
D)  iron 
A)  protein 
B)  fat 
C)  carbohydrate 
D)  iron

Question 14

The first part of the small intestine is the

Accepted Answer

A)  gallbladder. 
B)  pancreas. 
C)  ileocecal valve. 
D)  duodenum. 
A)  gallbladder. 
B)  pancreas. 
C)  ileocecal valve. 
D)  duodenum.

Question 15

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. 
A)  endoplasmic reticulum (ER). 
B)  mitochondria. 
C)  nucleus. 
D)  cytoplasm.

Question 16

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. 
A)  lipase. 
B)  pepsin. 
C)  chyme. 
D)  bile.

Question 17

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 18

How does the liver regulate blood nutrients?

Accepted Answer

The liver is the largest accessory organ

Question 19

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. 
A)  people to eat more. 
B)  people to eat less. 
C)  no effect on food intake. 
D)  weight loss over a period of time.

Question 20

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 pepsin 
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 pepsin

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

Untreated diarrhea can be fatal in young children.

The human GI tract is approximately 30 feet long.

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

The structure of the brush border aids digestion by

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

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.

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

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

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

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

The majority of nutrient absorption takes place in the pancreas.

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

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

The first part of the small intestine is the

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

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

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

How does the liver regulate blood nutrients?

The gastric peptide, ghrelin, causes

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

The Role of Nutrition in Our Health

Designing a Healthful Diet

Carbohydrates: Plant-Derived Energy Nutrients

Fats: Essential Energy-Supplying Nutrients

Proteins: Crucial Components of All Body Tissues

Nutrients Involved in Fluid and Electrolyte Balance

Nutrients Involved in Antioxidant Function

Nutrients Involved in Bone Health

Nutrients Involved in Energy Metabolism and Blood Health

Achieving and Maintaining a Healthful Body Weight

Nutrition and Physical Activity: Keys to Good Health

Food Safety and Technology: Impact on Consumers

Nutrition Through the Life Cycle: Pregnancy and the First Year of Life

Nutrition Through the Life Cycle: Childhood to Late Adulthood

alcohol

cancer

cardiovascular Disease

diabetes

dietary Supplements: Necessity or Waste

disordered Eating

disorders Related to Specific Foods

the Fetal Environment: a Lasting Impression

fluid Imbalance

global Nutrition

obesity

osteoporosis

phytochemicals

searching for the Fountain of Youth

vitamins and Minerals: Micronutrients With Macro Powers

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