Question 1

Where in your body does the majority of the digestion and absorption of food occur?

Accepted Answer

A)  mouth 
B)  stomach 
C)  small intestine 
D)  large intestine 
A)  mouth 
B)  stomach 
C)  small intestine 
D)  large intestine

Question 2

The wavelike contractions that move food along the length of the GI tract are called

Accepted Answer

A)  spasms. 
B)  peristalsis. 
C)  sphincter movements. 
D)  segmentation. 
A)  spasms. 
B)  peristalsis. 
C)  sphincter movements. 
D)  segmentation.

Question 3

After eating only a salad for dinner Sunday evening,Raga wakes up Monday morning feeling hungry.Why? Identify at least three mechanisms prompting her hunger.

Accepted Answer

After eating only a salad for dinner on

Question 4

Cell membranes are primarily composed of two layers of

Accepted Answer

A)  sugars. 
B)  phospholipids. 
C)  tissues. 
D)  sterols. 
A)  sugars. 
B)  phospholipids. 
C)  tissues. 
D)  sterols.

Question 5

Identify the symptoms of colorectal cancer and its risk factors.Describe the recommended screening tests for the disease and its treatments.

Accepted Answer

Colorectal cancer is a type of cancer th

Question 6

What is chyme?

Accepted Answer

A)  an ulceration of the esophageal lining 
B)  a mass of food that has been chewed and moistened in the mouth 
C)  a mixture of partially digested food, water, and gastric juices 
D)  a substance that allows for the emulsification of dietary lipids 
A)  an ulceration of the esophageal lining 
B)  a mass of food that has been chewed and moistened in the mouth 
C)  a mixture of partially digested food, water, and gastric juices 
D)  a substance that allows for the emulsification of dietary lipids

Question 7

In active transport,an enterocyte's cell membrane engulfs a nutrient and releases it into the cytoplasm.

Accepted Answer

A) True 
 B)False

Question 8

What chemical in gastric juice kills bacteria you may have consumed?

Accepted Answer

A)  pepsinogen 
B)  gastric lipase 
C)  mucus 
D)  hydrochloric acid (HCl) 
A)  pepsinogen 
B)  gastric lipase 
C)  mucus 
D)  hydrochloric acid (HCl)

Question 9

Make a list of recommendations that would help prevent or alleviate the symptoms of GERD.

Accepted Answer

1. Avoid trigger foods: Certain foods an

Question 10

A painful sensation in the chest that results from gastric juices seeping back up into the esophagus is called

Accepted Answer

A)  Barrett's esophagus. 
B)  irritable bowel syndrome (IBS). 
C)  gastroesophageal reflux (GER). 
D)  esophagitis. 
A)  Barrett's esophagus. 
B)  irritable bowel syndrome (IBS). 
C)  gastroesophageal reflux (GER). 
D)  esophagitis.

Question 11

Which of the following allows facilitated diffusion of nutrients across the enterocyte membrane?

Accepted Answer

A)  cholesterol 
B)  alcohol 
C)  carbohydrate 
D)  protein 
A)  cholesterol 
B)  alcohol 
C)  carbohydrate 
D)  protein

Question 12

Which of the following commonly results from years of alcohol abuse?

Accepted Answer

A)  The liver attempts to compensate for the alcohol by increasing its production of glucose. 
B)  The liver increases its capacity to detoxify alcohol and thereby grows in size. 
C)  Scar tissue develops in the liver, impairing its ability to filter toxins from the blood. 
D)  The liver loses its ability to produce insulin and glucagon. 
A)  The liver attempts to compensate for the alcohol by increasing its production of glucose. 
B)  The liver increases its capacity to detoxify alcohol and thereby grows in size. 
C)  Scar tissue develops in the liver, impairing its ability to filter toxins from the blood. 
D)  The liver loses its ability to produce insulin and glucagon.

Question 13

The primary function of mucus in the stomach is to

Accepted Answer

A)  neutralize stomach acid. 
B)  activate pepsinogen to pepsin. 
C)  protect the stomach cells from gastric juice. 
D)  emulsify fats. 
A)  neutralize stomach acid. 
B)  activate pepsinogen to pepsin. 
C)  protect the stomach cells from gastric juice. 
D)  emulsify fats.

Question 14

Identify the primary functions of the large intestine.Describe its shape and main structures.

Accepted Answer

The primary functions of the large intes

Question 15

The hydrochloric acid (HCl)in gastric juice kills any H.pylori bacteria that may be present in the stomach.

Accepted Answer

A) True 
 B)False

Question 16

In the small intestine,fat-soluble nutrients are absorbed by

Accepted Answer

A)  bile. 
B)  capillaries. 
C)  lacteals. 
D)  chief cells. 
A)  bile. 
B)  capillaries. 
C)  lacteals. 
D)  chief cells.

Question 17

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 18

Appetite is triggered by

Accepted Answer

A)  a physiological drive. 
B)  environmental cues, such as the smell or taste of food. 
C)  pancreatic enzymes. 
D)  stomach enzymes. 
A)  a physiological drive. 
B)  environmental cues, such as the smell or taste of food. 
C)  pancreatic enzymes. 
D)  stomach enzymes.

Question 19

Which of the body's systems directs and coordinates the interrelated activities of the gastrointestinal tract?

Accepted Answer

A)  the skeletal system 
B)  the lymphatic system 
C)  the cardiovascular system 
D)  the neuromuscular system 
A)  the skeletal system 
B)  the lymphatic system 
C)  the cardiovascular system 
D)  the neuromuscular system

Question 20

The large intestine is also known as the colon.

Accepted Answer

A) True 
 B)False

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

Where in your body does the majority of the digestion and absorption of food occur?

The wavelike contractions that move food along the length of the GI tract are called

After eating only a salad for dinner Sunday evening,Raga wakes up Monday morning feeling hungry.Why? Identify at least three mechanisms prompting her hunger.

Cell membranes are primarily composed of two layers of

Identify the symptoms of colorectal cancer and its risk factors.Describe the recommended screening tests for the disease and its treatments.

What is chyme?

In active transport,an enterocyte's cell membrane engulfs a nutrient and releases it into the cytoplasm.

What chemical in gastric juice kills bacteria you may have consumed?

Make a list of recommendations that would help prevent or alleviate the symptoms of GERD.

A painful sensation in the chest that results from gastric juices seeping back up into the esophagus is called

Which of the following allows facilitated diffusion of nutrients across the enterocyte membrane?

Which of the following commonly results from years of alcohol abuse?

The primary function of mucus in the stomach is to

Identify the primary functions of the large intestine.Describe its shape and main structures.

The hydrochloric acid (HCl)in gastric juice kills any H.pylori bacteria that may be present in the stomach.

In the small intestine,fat-soluble nutrients are absorbed by

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

Appetite is triggered by

Which of the body's systems directs and coordinates the interrelated activities of the gastrointestinal tract?

The large intestine is also known as the colon.

Nutrition: Linking Food and 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 Essential to Key Body Functions

Nutrients Essential to Healthy Tissues

Achieving and Maintaining a Healthful Body Weight

Nutrition and Physical Activity: Keys to Good Health

Food Safety and Technology: Protecting Our Food

Food Equity,Sustainability,and Quality: The Challenge of Good Food

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

Nutrition Through the Lifecycle: Childhood to Late Adulthood

New Frontiers in Nutrition and Health

Healthful Eating Patterns

Disorders Related to Specific Foods

Diabetes

Cardiovascular Disease

Vitamins and Minerals: Micronutrients With Macro Powers

Alcohol

Cancer

Osteoporosis

Obesity

Disorders Related to Body Image, Eating, and Exercise

The Safety and Effectiveness of Dietary Supplements

Malnutrition

The Fetal Environment

Searching for the Fountain of Youth

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