Question 1

Which of the following transport mechanisms moves substances against a concentration gradient?

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 E

Question 2

A person with inflammatory bowel disease can be at risk for:

Accepted Answer

A)  bowel obstruction. 
B)  ulcers. 
C)  fistulas. 
D)  malnutrition. 
E)  All of these are correct. 
A)  bowel obstruction. 
B)  ulcers. 
C)  fistulas. 
D)  malnutrition. 
E)  All of these are correct. E

Question 3

Which of the following is NOT considered a food source of probiotics?

Accepted Answer

A)  yogurt 
B)  fermented soy 
C)  miso 
D)  black beans 
E)  kombucha 
A)  yogurt 
B)  fermented soy 
C)  miso 
D)  black beans 
E)  kombucha C

Question 4

Using diagrams, illustrate the difference between the three different mechanisms used to transport nutrients into cells across the lumen of the GI tract.

Accepted Answer

The three different mechanisms used to t

Question 5

A person suffering from celiac disease should eliminate _____ from his or her diet to ease symptoms.

Accepted Answer

A)  glucose 
B)  carbohydrates 
C)  sodium 
D)  gluten 
E)  All of these are correct. 
A)  glucose 
B)  carbohydrates 
C)  sodium 
D)  gluten 
E)  All of these are correct.

Question 6

The digestive system includes:

Accepted Answer

A)  organs of the GI tract. 
B)  salivary glands. 
C)  liver and gallbladder. 
D)  pancreas. 
E)  All of these are correct. 
A)  organs of the GI tract. 
B)  salivary glands. 
C)  liver and gallbladder. 
D)  pancreas. 
E)  All of these are correct.

Question 7

Which of the following is a protein molecule that catalyzes chemical digestion?

Accepted Answer

A)  starch 
B)  enzyme 
C)  lipid 
D)  emulsifier 
E)  glucose 
A)  starch 
B)  enzyme 
C)  lipid 
D)  emulsifier 
E)  glucose

Question 8

Which of the following is responsible for increasing the surface area for absorption in the digestive tract 20-fold?

Accepted Answer

A)  cilia 
B)  mucosal cells 
C)  chyme 
D)  microvilli 
E)  All of these are correct. 
A)  cilia 
B)  mucosal cells 
C)  chyme 
D)  microvilli 
E)  All of these are correct.

Question 9

The presence of three muscular layers in the stomach is important because:

Accepted Answer

A)  their contractions allow for mechanical digestion. 
B)  they allow fat molecules to be broken down. 
C)  they allow nutrients to be absorbed into the bloodstream. 
D)  they transport water from food into the body. 
E)  All of these are correct. 
A)  their contractions allow for mechanical digestion. 
B)  they allow fat molecules to be broken down. 
C)  they allow nutrients to be absorbed into the bloodstream. 
D)  they transport water from food into the body. 
E)  All of these are correct.

Question 10

Which of the following is NOT considered a food source of prebiotics?

Accepted Answer

A)  onion 
B)  oats 
C)  yogurt 
D)  lentils 
E)  garlic 
A)  onion 
B)  oats 
C)  yogurt 
D)  lentils 
E)  garlic

Question 11

Which of the following is NOT true about prebiotics?

Accepted Answer

A)  Prebiotics are undigested carbohydrates. 
B)  Prebiotics promote the growth of beneficial microbes in the gut. 
C)  Prebiotics are an effective energy source for pathogenic bacteria. 
D)  Prebiotics are life microorganisms that provide health benefits. 
E)  Prebiotics include onions, garlic, black beans, and kidney beans. 
A)  Prebiotics are undigested carbohydrates. 
B)  Prebiotics promote the growth of beneficial microbes in the gut. 
C)  Prebiotics are an effective energy source for pathogenic bacteria. 
D)  Prebiotics are life microorganisms that provide health benefits. 
E)  Prebiotics include onions, garlic, black beans, and kidney beans.

Question 12

The inner space of the GI tract lined with mucosal cells is referred to as the:

Accepted Answer

A)  villi. 
B)  microvilli. 
C)  epithelial tissue. 
D)  sphincter. 
E)  lumen. 
A)  villi. 
B)  microvilli. 
C)  epithelial tissue. 
D)  sphincter. 
E)  lumen.

Question 13

What is chyme? Trace the path of chyme from the stomach to the large intestine. Include the three main regions of the small intestine in your discussion.

Accepted Answer

Chyme is the semiliquified, partially di

Question 14

Bacteria make up about _____ of fecal dry weight.

Accepted Answer

A)  30% 
B)  50% 
C)  60% 
D)  70% 
E)  80% 
A)  30% 
B)  50% 
C)  60% 
D)  70% 
E)  80%

Question 15

Villi and microvilli produce a large surface area for the enhancement of:

Accepted Answer

A)  water balance and osmosis. 
B)  homeostasis. 
C)  vitamin and nutrient storage. 
D)  lipid breakdown. 
E)  digestion and absorption. 
A)  water balance and osmosis. 
B)  homeostasis. 
C)  vitamin and nutrient storage. 
D)  lipid breakdown. 
E)  digestion and absorption.

Question 16

The physical fragmentation of foods into small particles by chewing and mixing with digestive fluids is called:

Accepted Answer

A)  chemical digestion. 
B)  excretion. 
C)  absorption. 
D)  mechanical digestion. 
E)  peristalsis. 
A)  chemical digestion. 
B)  excretion. 
C)  absorption. 
D)  mechanical digestion. 
E)  peristalsis.

Question 17

Which organ absorbs water and some minerals and vitamins while also passing waste material to its lower portion?

Accepted Answer

A)  stomach 
B)  small intestine 
C)  large intestine 
D)  liver 
E)  kidneys 
A)  stomach 
B)  small intestine 
C)  large intestine 
D)  liver 
E)  kidneys

Question 18

Which organ grinds food into a semiliquid while adding acid, enzymes, and gastric juice?

Accepted Answer

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

Question 19

Diets that avoid gluten have grown in popularity by people without celiac disease in recent years. What are some potential downsides of avoiding gluten for people without a diagnosed medical condition to support its exclusion from the diet?

Accepted Answer

There are several potential downsides of

Question 20

Which of the following is FALSE about the large intestine?

Accepted Answer

A)  Water is absorbed into the body across the wall of the large intestine. 
B)  Electrolytes such as sodium and potassium are absorbed in the large intestine. 
C)  Short-chain fatty acids are absorbed in the large intestine. 
D)  The large intestine is the primary site of absorption for carbohydrates. 
E)  Vitamin K, folate, and biotin are absorbed in the large intestine. 
A)  Water is absorbed into the body across the wall of the large intestine. 
B)  Electrolytes such as sodium and potassium are absorbed in the large intestine. 
C)  Short-chain fatty acids are absorbed in the large intestine. 
D)  The large intestine is the primary site of absorption for carbohydrates. 
E)  Vitamin K, folate, and biotin are absorbed in the large intestine.

Which of the following transport mechanisms moves substances against a concentration gradient?

A person with inflammatory bowel disease can be at risk for:

Which of the following is NOT considered a food source of probiotics?

Using diagrams, illustrate the difference between the three different mechanisms used to transport nutrients into cells across the lumen of the GI tract.

A person suffering from celiac disease should eliminate _____ from his or her diet to ease symptoms.

The digestive system includes:

Which of the following is a protein molecule that catalyzes chemical digestion?

Which of the following is responsible for increasing the surface area for absorption in the digestive tract 20-fold?

The presence of three muscular layers in the stomach is important because:

Which of the following is NOT considered a food source of prebiotics?

Which of the following is NOT true about prebiotics?

The inner space of the GI tract lined with mucosal cells is referred to as the:

What is chyme? Trace the path of chyme from the stomach to the large intestine. Include the three main regions of the small intestine in your discussion.

Bacteria make up about _____ of fecal dry weight.

Villi and microvilli produce a large surface area for the enhancement of:

The physical fragmentation of foods into small particles by chewing and mixing with digestive fluids is called:

Which organ absorbs water and some minerals and vitamins while also passing waste material to its lower portion?

Which organ grinds food into a semiliquid while adding acid, enzymes, and gastric juice?

Diets that avoid gluten have grown in popularity by people without celiac disease in recent years. What are some potential downsides of avoiding gluten for people without a diagnosed medical condition to support its exclusion from the diet?

Which of the following is FALSE about the large intestine?

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

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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

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Exam 3: Digestive System and Digestive Disorders

Which of the following transport mechanisms moves substances against a concentration gradient?

A person with inflammatory bowel disease can be at risk for:

Which of the following is NOT considered a food source of probiotics?

Using diagrams, illustrate the difference between the three different mechanisms used to transport nutrients into cells across the lumen of the GI tract.

A person suffering from celiac disease should eliminate _____ from his or her diet to ease symptoms.

The digestive system includes:

Which of the following is a protein molecule that catalyzes chemical digestion?

Which of the following is responsible for increasing the surface area for absorption in the digestive tract 20-fold?

The presence of three muscular layers in the stomach is important because:

Which of the following is NOT considered a food source of prebiotics?

Which of the following is NOT true about prebiotics?

The inner space of the GI tract lined with mucosal cells is referred to as the:

What is chyme? Trace the path of chyme from the stomach to the large intestine. Include the three main regions of the small intestine in your discussion.

Bacteria make up about _____ of fecal dry weight.

Villi and microvilli produce a large surface area for the enhancement of:

The physical fragmentation of foods into small particles by chewing and mixing with digestive fluids is called:

Which organ absorbs water and some minerals and vitamins while also passing waste material to its lower portion?

Which organ grinds food into a semiliquid while adding acid, enzymes, and gastric juice?

Diets that avoid gluten have grown in popularity by people without celiac disease in recent years. What are some potential downsides of avoiding gluten for people without a diagnosed medical condition to support its exclusion from the diet?

Which of the following is FALSE about the large intestine?

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