Question 1

Describe the four main functions of the digestive system and indicate the length of time it takes for food to travel through the entire GI tract.

Accepted Answer

The four main functions of the digestive

Question 2

Fats and some vitamins must first enter the _____ before they find their way into the blood.

Accepted Answer

A)  lymphatic vessels 
B)  liver 
C)  bile ducts 
D)  gallbladder 
E)  pancreas 
A)  lymphatic vessels 
B)  liver 
C)  bile ducts 
D)  gallbladder 
E)  pancreas

Question 3

What is the name for fingerlike projections that protrude from the absorptive mucosal cells of the small intestine into the lumen of the GI tract?

Accepted Answer

A)  mucosal cells 
B)  brush border 
C)  villi 
D)  chyme 
E)  cilia 
A)  mucosal cells 
B)  brush border 
C)  villi 
D)  chyme 
E)  cilia

Question 4

Why is the gallbladder considered an accessory organ in the digestive system? If a person were to have a cholecystectomy (gallbladder removal), what might be a consequence of this procedure?

Accepted Answer

The gallbladder is considered an accesso

Question 5

When molecules move freely across the cell membrane down the concentration gradient, this is called:

Accepted Answer

A)  facilitated diffusion. 
B)  carrier diffusion. 
C)  osmosis. 
D)  simple diffusion. 
E)  active transport. 
A)  facilitated diffusion. 
B)  carrier diffusion. 
C)  osmosis. 
D)  simple diffusion. 
E)  active transport.

Question 6

People who suffer from gastroesophageal reflux disease can reduce symptoms by avoiding foods that cause discomfort, including:

Accepted Answer

A)  alcohol. 
B)  onions. 
C)  chocolate. 
D)  fatty meals. 
E)  All of these are correct. 
A)  alcohol. 
B)  onions. 
C)  chocolate. 
D)  fatty meals. 
E)  All of these are correct.

Question 7

Which of the following is NOT true about diverticular disease?

Accepted Answer

A)  It is a condition in which there are small pouches or pockets in the wall or lining of the digestive tract. 
B)  This condition occurs when the inner layer of the digestive tract pushes through weak spots in the outer layer. 
C)  Age is a primary risk factor for this condition. 
D)  Diets low in fiber reduce risk for this condition. 
E)  Active lifestyles appear to be protective against this condition. 
A)  It is a condition in which there are small pouches or pockets in the wall or lining of the digestive tract. 
B)  This condition occurs when the inner layer of the digestive tract pushes through weak spots in the outer layer. 
C)  Age is a primary risk factor for this condition. 
D)  Diets low in fiber reduce risk for this condition. 
E)  Active lifestyles appear to be protective against this condition.

Question 8

After absorption in the small intestine, sugars and amino acids are transported to the _____ before reaching other organs.

Accepted Answer

A)  heart 
B)  lungs 
C)  brain 
D)  liver 
E)  kidneys 
A)  heart 
B)  lungs 
C)  brain 
D)  liver 
E)  kidneys

Question 9

The layers of stomach and intestinal wall closest to the intestinal lumen are called:

Accepted Answer

A)  villi. 
B)  microvilli. 
C)  tissue. 
D)  mucosa. 
E)  epithelial tissue. 
A)  villi. 
B)  microvilli. 
C)  tissue. 
D)  mucosa. 
E)  epithelial tissue.

Question 10

Choose one of the following common digestive disorder discussed in Chapter 3: diverticulosis, gastroesophageal reflux disease, or constipation. Explain why the condition occurs and provide at least three suggestions for managing the condition.

Accepted Answer

I choose gastroesophageal reflux disease

Question 11

What is the tubular channel extending from the mouth to the anus in which digestion and absorption occur?

Accepted Answer

A)  esophagus 
B)  large intestine 
C)  abdominal canal 
D)  gastrointestinal tract 
E)  small intestine 
A)  esophagus 
B)  large intestine 
C)  abdominal canal 
D)  gastrointestinal tract 
E)  small intestine

Question 12

Swollen or inflamed veins in the lower rectum are called:

Accepted Answer

A)  inflammatory bowel disease. 
B)  diverticular disease. 
C)  hemorrhoids. 
D)  ulcers. 
E)  irritable bowel syndrome. 
A)  inflammatory bowel disease. 
B)  diverticular disease. 
C)  hemorrhoids. 
D)  ulcers. 
E)  irritable bowel syndrome.

Question 13

Which of the following is NOT a characteristic of segmentation?

Accepted Answer

A)  uses circular muscles in the small intestine 
B)  mixes intestinal contents 
C)  contracts to move food forward in the digestive tract 
D)  is responsible for elimination of feces 
E)  brings nutrients in the intestinal fluid into contact with absorptive surfaces 
A)  uses circular muscles in the small intestine 
B)  mixes intestinal contents 
C)  contracts to move food forward in the digestive tract 
D)  is responsible for elimination of feces 
E)  brings nutrients in the intestinal fluid into contact with absorptive surfaces

Question 14

Rhythmic wavelike contractions of the smooth muscle of the GI tract are called

Accepted Answer

A)  mastication. 
B)  propulsion. 
C)  digestion. 
D)  segmentation. 
E)  peristalsis. 
A)  mastication. 
B)  propulsion. 
C)  digestion. 
D)  segmentation. 
E)  peristalsis.

Question 15

Which organ produces bile?

Accepted Answer

A)  liver 
B)  gallbladder 
C)  salivary glands 
D)  small intestine 
E)  pancreas 
A)  liver 
B)  gallbladder 
C)  salivary glands 
D)  small intestine 
E)  pancreas

Question 16

Prebiotics can help prevent digestive conditions by:

Accepted Answer

A)  fostering the growth of good bacteria. 
B)  treating ulcers. 
C)  helping in the absorption of fiber. 
D)  facilitating the transport of substances across cellular membranes. 
E)  All of these are correct. 
A)  fostering the growth of good bacteria. 
B)  treating ulcers. 
C)  helping in the absorption of fiber. 
D)  facilitating the transport of substances across cellular membranes. 
E)  All of these are correct.

Question 17

What is the process of breaking down food to its smallest units in order for the nutrients to be absorbed?

Accepted Answer

A)  ingestion 
B)  digestion 
C)  absorption 
D)  excretion 
E)  consumption 
A)  ingestion 
B)  digestion 
C)  absorption 
D)  excretion 
E)  consumption

Question 18

Which of the following is a general name for diseases that cause inflammation and irritation of the digestive system?

Accepted Answer

A)  inflammatory bowel disease 
B)  diverticular disease 
C)  hemorrhoids 
D)  ulcers 
E)  irritable bowel syndrome 
A)  inflammatory bowel disease 
B)  diverticular disease 
C)  hemorrhoids 
D)  ulcers 
E)  irritable bowel syndrome

Question 19

Ulcers can be associated with:

Accepted Answer

A)  Helicobacter pylori infection. 
B)  decreased mucus production. 
C)  pain and bleeding. 
D)  irritations or perforations of the mucosal wall. 
E)  All of these are correct. 
A)  Helicobacter pylori infection. 
B)  decreased mucus production. 
C)  pain and bleeding. 
D)  irritations or perforations of the mucosal wall. 
E)  All of these are correct.

Question 20

Circular muscles that control the flow of food and fluids between organs of the GI tract are called:

Accepted Answer

A)  intestines. 
B)  sphincters. 
C)  contractions. 
D)  peristalsis. 
E)  villi. 
A)  intestines. 
B)  sphincters. 
C)  contractions. 
D)  peristalsis. 
E)  villi.

Describe the four main functions of the digestive system and indicate the length of time it takes for food to travel through the entire GI tract.

Fats and some vitamins must first enter the _____ before they find their way into the blood.

What is the name for fingerlike projections that protrude from the absorptive mucosal cells of the small intestine into the lumen of the GI tract?

Why is the gallbladder considered an accessory organ in the digestive system? If a person were to have a cholecystectomy (gallbladder removal), what might be a consequence of this procedure?

When molecules move freely across the cell membrane down the concentration gradient, this is called:

People who suffer from gastroesophageal reflux disease can reduce symptoms by avoiding foods that cause discomfort, including:

Which of the following is NOT true about diverticular disease?

After absorption in the small intestine, sugars and amino acids are transported to the _____ before reaching other organs.

The layers of stomach and intestinal wall closest to the intestinal lumen are called:

Choose one of the following common digestive disorder discussed in Chapter 3: diverticulosis, gastroesophageal reflux disease, or constipation. Explain why the condition occurs and provide at least three suggestions for managing the condition.

What is the tubular channel extending from the mouth to the anus in which digestion and absorption occur?

Swollen or inflamed veins in the lower rectum are called:

Which of the following is NOT a characteristic of segmentation?

Rhythmic wavelike contractions of the smooth muscle of the GI tract are called

Which organ produces bile?

Prebiotics can help prevent digestive conditions by:

What is the process of breaking down food to its smallest units in order for the nutrients to be absorbed?

Which of the following is a general name for diseases that cause inflammation and irritation of the digestive system?

Ulcers can be associated with:

Circular muscles that control the flow of food and fluids between organs of the GI tract are called:

The Science and Scope of Nutrition Eating for a Lifetime: a New Field in Nutrition Research Is Revealing Surprising Details About How Food Affects Our Genes

Healthy Diets

Carbohydrates,

The Lipids

Protein

Fat-Soluble Vitamins

Water-Soluble Vitamins

Major Minerals and Water

Trace Minerals

Energy Balance and Obesitythe Sitting Disease: Understand the Causes and Consequences of Obesity

Nutrition and Fitness

Nutrition Through the College Years

Global Nutrition: Food Security and Sustainability

Spotlight H: Food Safety

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Exam 3: Digestive System and Digestive Disorders

Describe the four main functions of the digestive system and indicate the length of time it takes for food to travel through the entire GI tract.

Fats and some vitamins must first enter the _____ before they find their way into the blood.

What is the name for fingerlike projections that protrude from the absorptive mucosal cells of the small intestine into the lumen of the GI tract?

Why is the gallbladder considered an accessory organ in the digestive system? If a person were to have a cholecystectomy (gallbladder removal), what might be a consequence of this procedure?

When molecules move freely across the cell membrane down the concentration gradient, this is called:

People who suffer from gastroesophageal reflux disease can reduce symptoms by avoiding foods that cause discomfort, including:

Which of the following is NOT true about diverticular disease?

After absorption in the small intestine, sugars and amino acids are transported to the _____ before reaching other organs.

The layers of stomach and intestinal wall closest to the intestinal lumen are called:

Choose one of the following common digestive disorder discussed in Chapter 3: diverticulosis, gastroesophageal reflux disease, or constipation. Explain why the condition occurs and provide at least three suggestions for managing the condition.

What is the tubular channel extending from the mouth to the anus in which digestion and absorption occur?

Swollen or inflamed veins in the lower rectum are called:

Which of the following is NOT a characteristic of segmentation?

Rhythmic wavelike contractions of the smooth muscle of the GI tract are called

Which organ produces bile?

Prebiotics can help prevent digestive conditions by:

What is the process of breaking down food to its smallest units in order for the nutrients to be absorbed?

Which of the following is a general name for diseases that cause inflammation and irritation of the digestive system?

Ulcers can be associated with:

Circular muscles that control the flow of food and fluids between organs of the GI tract are called:

The Science and Scope of Nutrition Eating for a Lifetime: a New Field in Nutrition Research Is Revealing Surprising Details About How Food Affects Our Genes

Healthy Diets

Carbohydrates,

The Lipids

Protein

Fat-Soluble Vitamins

Water-Soluble Vitamins

Major Minerals and Water

Trace Minerals

Energy Balance and Obesitythe Sitting Disease: Understand the Causes and Consequences of Obesity

Nutrition and Fitness

Nutrition Through the College Years

Global Nutrition: Food Security and Sustainability

Spotlight H: Food Safety

Filters