Question 1

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 2

Celiac disease is highlighted throughout this chapter.What are three things that you learned about celiac disease from reading this chapter?

Accepted Answer

1. Celiac disease is an autoimmune disor

Question 3

Which of the following structures gives the lining of the small intestine a brushlike appearance,giving it the term brush border?

Accepted Answer

A) cilia 
B) mucosal cells 
C) villi 
D) microvilli 
E) All of the abovE. 
A) cilia 
B) mucosal cells 
C) villi 
D) microvilli 
E) All of the abovE.

Question 4

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 5

The small intestine is a(n)_____ that makes up a(n)_____.

Accepted Answer

A) cell;tissue 
B) cell;organ 
C) tissue;organ 
D) organ;organ system 
E) organ system;GI tract 
A) cell;tissue 
B) cell;organ 
C) tissue;organ 
D) organ;organ system 
E) organ system;GI tract

Question 6

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 7

The inner space of the GI tract is referred to as the:

Accepted Answer

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

Question 8

A person suffering from celiac disease should eliminate _____ from their diet to ease symptoms.

Accepted Answer

A) glucose 
B) carbohydrates 
C) sodium 
D) gluten 
E) All of the abovE. 
A) glucose 
B) carbohydrates 
C) sodium 
D) gluten 
E) All of the abovE.

Question 9

Describe the differences between the two mechanisms that propel food through the body.

Accepted Answer

Food is propelled through the body by pe

Question 10

Facilitated diffusion requires

Accepted Answer

A) a specific transport protein to help nutrients move through the cell membrane. 
B) a specific transport protein and energy to help nutrients move through the cell membrane. 
C) energy to help nutrients move through the cell membrane. 
D) enzymes to work as catalysts that help nutrients move through the cell membrane. 
E) ion channels that regulate water into and out of the cell membranE. 
A) a specific transport protein to help nutrients move through the cell membrane. 
B) a specific transport protein and energy to help nutrients move through the cell membrane. 
C) energy to help nutrients move through the cell membrane. 
D) enzymes to work as catalysts that help nutrients move through the cell membrane. 
E) ion channels that regulate water into and out of the cell membranE.

Question 11

Which organ adds acid,enzymes,and gastric juice that grind food into a semiliquid?

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 12

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 13

Live beneficial bacteria that help restore or maintain a healthy balance of good bacteria in the gut are called

Accepted Answer

A) prebiotics. 
B) probiotics. 
C) active cultures. 
D) organic. 
E) nutrients. 
A) prebiotics. 
B) probiotics. 
C) active cultures. 
D) organic. 
E) nutrients.

Question 14

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

Question 15

Which of the following organs carries food from the mouth to the stomach?

Accepted Answer

A) throat 
B) trachea 
C) GI tract 
D) small intestine 
E) esophagus 
A) throat 
B) trachea 
C) GI tract 
D) small intestine 
E) esophagus

Question 16

Describe the four main functions of the digestive system and discuss 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 17

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 18

The regurgitation of acid content from the stomach into the esophagus is called

Accepted Answer

A) diarrheA. 
B) vomiting. 
C) constipation. 
D) gastroesophageal reflux disease. 
E) acid reflux. 
A) diarrheA. 
B) vomiting. 
C) constipation. 
D) gastroesophageal reflux disease. 
E) acid reflux.

Question 19

Which organ produces enzymes to digest energy-providing nutrients?

Accepted Answer

A) liver 
B) gallbladder 
C) mouth 
D) pancreas 
E) small intestine 
A) liver 
B) gallbladder 
C) mouth 
D) pancreas 
E) small intestine

Question 20

The physical fragmentation of foods into small particles 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.

Exam 3: Digestive System and Digestive Disorders

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

Celiac disease is highlighted throughout this chapter.What are three things that you learned about celiac disease from reading this chapter?

Which of the following structures gives the lining of the small intestine a brushlike appearance,giving it the term brush border?

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

The small intestine is a(n)_____ that makes up a(n)_____.

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

The inner space of the GI tract is referred to as the:

A person suffering from celiac disease should eliminate _____ from their diet to ease symptoms.

Describe the differences between the two mechanisms that propel food through the body.

Facilitated diffusion requires

Which organ adds acid,enzymes,and gastric juice that grind food into a semiliquid?

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

Live beneficial bacteria that help restore or maintain a healthy balance of good bacteria in the gut are called

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

Which of the following organs carries food from the mouth to the stomach?

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

Which organ produces bile?

The regurgitation of acid content from the stomach into the esophagus is called

Which organ produces enzymes to digest energy-providing nutrients?

The physical fragmentation of foods into small particles is called

The Science and Scope of Nutrition

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Nutrition and Diabetes

Lipids

Lipids in Health and Disease

Protein

Plant-Based Diets

Fat-Soluble Vitamins

Water-Soluble Vitamins

Dietary Supplements

Major Minerals and Water

Trace Minerals

Energy Balance and Obesity

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Nutrition for Pregnancy, breastfeeding, and Infancy

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The small intestine is a(n)_ that makes up a(n)_.