Question 1

Which of the following is a description of chyme?

Accepted Answer

A) A watery mixture of partially digested food released by the stomach into the intestines 
B) The semisolid mass of undigested food that is swallowed 
C) The mixture of pancreatic juices containing enzymes for digestion 
D) A thick,viscous material synthesized by mucosal cells for protection against digestive juices 
A) A watery mixture of partially digested food released by the stomach into the intestines 
B) The semisolid mass of undigested food that is swallowed 
C) The mixture of pancreatic juices containing enzymes for digestion 
D) A thick,viscous material synthesized by mucosal cells for protection against digestive juices A

Question 2

Peristalsis refers to

Accepted Answer

A) chewing and swallowing. 
B) the opening and closing of sphincters. 
C) the action of bile on dietary fat. 
D) muscular movement of materials through the GI tract. 
A) chewing and swallowing. 
B) the opening and closing of sphincters. 
C) the action of bile on dietary fat. 
D) muscular movement of materials through the GI tract. D

Question 3

Most stomach ulcers are cause by ______ infection.

Accepted Answer

A) E.coli 
B) Helicobacter pylori 
C) Clostridium botulinum 
D) Salmonella 
A) E.coli 
B) Helicobacter pylori 
C) Clostridium botulinum 
D) Salmonella B

Question 4

What is one function of the pyloric sphincter?

Accepted Answer

A) Prevents esophageal contents from emptying too quickly into the stomach 
B) Prevents stomach contents from backing up into the esophagus 
C) Prevents intestinal contents from backing up into the stomach 
D) Prevents intestinal contents from emptying too quickly into the colon 
A) Prevents esophageal contents from emptying too quickly into the stomach 
B) Prevents stomach contents from backing up into the esophagus 
C) Prevents intestinal contents from backing up into the stomach 
D) Prevents intestinal contents from emptying too quickly into the colon

Question 5

Which of the following is true about digestive enzymes?

Accepted Answer

A) One enzyme can speed many types of chemical processes. 
B) Enzymes are not sensitive to temperature. 
C) Enzymes that work in the acidic environment of the stomach cannot work in the basic or alkaline environment of the small intestine and vice versa. 
D) Enzymes typically work independently of vitamins or minerals. 
A) One enzyme can speed many types of chemical processes. 
B) Enzymes are not sensitive to temperature. 
C) Enzymes that work in the acidic environment of the stomach cannot work in the basic or alkaline environment of the small intestine and vice versa. 
D) Enzymes typically work independently of vitamins or minerals.

Question 6

Which of the following organs is part of the GI tract?

Accepted Answer

A) Liver 
B) Kidneys 
C) Colon 
D) Gallbladder 
A) Liver 
B) Kidneys 
C) Colon 
D) Gallbladder

Question 7

After digestion and absorption,which circulatory system carries fat and fat-soluble vitamins?

Accepted Answer

A) Portal 
B) Enterohepatic 
C) Lymphatic 
D) Mesentery 
A) Portal 
B) Enterohepatic 
C) Lymphatic 
D) Mesentery

Question 8

The walls of the small intestine are folded,and within the folds are fingerlike projections called

Accepted Answer

A) cilia. 
B) dendrites. 
C) rugae. 
D) villi. 
A) cilia. 
B) dendrites. 
C) rugae. 
D) villi.

Question 9

A major function of the large intestine is to absorb

Accepted Answer

A) fats and proteins. 
B) water-soluble vitamins. 
C) water and minerals. 
D) dietary fiber. 
A) fats and proteins. 
B) water-soluble vitamins. 
C) water and minerals. 
D) dietary fiber.

Question 10

Partially digested food that enters the small intestine from the stomach is called

Accepted Answer

A) a bolus. 
B) feces. 
C) chyme. 
D) bile. 
A) a bolus. 
B) feces. 
C) chyme. 
D) bile.

Question 11

Which of the following is not a short-term storage site for carbohydrates in the body?

Accepted Answer

A) Blood 
B) Liver 
C) Muscle 
D) Brain 
A) Blood 
B) Liver 
C) Muscle 
D) Brain

Question 12

Constipation can best be prevented by

Accepted Answer

A) consuming adequate dietary fiber. 
B) restricting fluids. 
C) restricting physical exercise. 
D) using laxatives. 
A) consuming adequate dietary fiber. 
B) restricting fluids. 
C) restricting physical exercise. 
D) using laxatives.

Question 13

All of the following must be supplied by the diet to support the chemical processes of human physiology except

Accepted Answer

A) phytochemicals. 
B) lipids. 
C) vitamins and minerals. 
D) carbohydrates. 
A) phytochemicals. 
B) lipids. 
C) vitamins and minerals. 
D) carbohydrates.

Question 14

Which of the following is a function of sphincter muscles?

Accepted Answer

A) Breaks apart food particles 
B) Controls passage of food through the GI tract 
C) Controls peristalsis 
D) Releases enzymes and hormones into the GI tract 
A) Breaks apart food particles 
B) Controls passage of food through the GI tract 
C) Controls peristalsis 
D) Releases enzymes and hormones into the GI tract

Question 15

A recurrent and serious form of heartburn is called

Accepted Answer

A) pernicious anemia. 
B) eosinophilic esophagitis. 
C) gastroesophageal reflux disease. 
D) atrophic gastritis. 
A) pernicious anemia. 
B) eosinophilic esophagitis. 
C) gastroesophageal reflux disease. 
D) atrophic gastritis.

Question 16

Transmission of nerve impulses relies on the concentrations of ______ in the neuron.

Accepted Answer

A) calcium and magnesium 
B) B vitamins 
C) sodium and potassium 
D) cholesterol 
A) calcium and magnesium 
B) B vitamins 
C) sodium and potassium 
D) cholesterol

Question 17

The organelles that are known as the "power plants" or the "powerhouses" of the cell are the

Accepted Answer

A) ribosomes. 
B) mitochondria. 
C) nuclei. 
D) lysosomes. 
A) ribosomes. 
B) mitochondria. 
C) nuclei. 
D) lysosomes.

Question 18

The most active area for the absorption of nutrients into the body is the

Accepted Answer

A) stomach. 
B) small intestine. 
C) large intestine. 
D) liver. 
A) stomach. 
B) small intestine. 
C) large intestine. 
D) liver.

Question 19

When a nutrient moves freely from an area of higher solute concentration into an absorptive cell where the concentration is lower,this is called

Accepted Answer

A) facilitated diffusion. 
B) passive diffusion. 
C) active absorption. 
D) phagocytosis. 
A) facilitated diffusion. 
B) passive diffusion. 
C) active absorption. 
D) phagocytosis.

Question 20

When a nutrient moves,with the help of a carrier,from an area of higher solute concentration into an absorptive cell where the concentration is lower,this is called

Accepted Answer

A) facilitated diffusion. 
B) phagocytosis. 
C) passive diffusion. 
D) active absorption. 
A) facilitated diffusion. 
B) phagocytosis. 
C) passive diffusion. 
D) active absorption.

Which of the following is a description of chyme?

Peristalsis refers to

Most stomach ulcers are cause by ______ infection.

What is one function of the pyloric sphincter?

Which of the following is true about digestive enzymes?

Which of the following organs is part of the GI tract?

After digestion and absorption,which circulatory system carries fat and fat-soluble vitamins?

The walls of the small intestine are folded,and within the folds are fingerlike projections called

A major function of the large intestine is to absorb

Partially digested food that enters the small intestine from the stomach is called

Which of the following is not a short-term storage site for carbohydrates in the body?

Constipation can best be prevented by

All of the following must be supplied by the diet to support the chemical processes of human physiology except

Which of the following is a function of sphincter muscles?

A recurrent and serious form of heartburn is called

Transmission of nerve impulses relies on the concentrations of ______ in the neuron.

The organelles that are known as the "power plants" or the "powerhouses" of the cell are the

The most active area for the absorption of nutrients into the body is the

When a nutrient moves freely from an area of higher solute concentration into an absorptive cell where the concentration is lower,this is called

When a nutrient moves,with the help of a carrier,from an area of higher solute concentration into an absorptive cell where the concentration is lower,this is called

Nutrition, food Choices, and Health

Designing a Healthy Dietary Pattern

Carbohydrates

Lipids

Proteins

Energy Balance and Weight Control

Overview of Micronutrients and Phytochemicals

Fluid and Electrolyte Balance

Nutrients Involved in Body Defenses

Nutrients Involved in Bone Health

Micronutrient Function in Energy Metabolism

Nutrients That Support Blood and Brain Health

Nutrition: Fitness and Sports

Eating Disorders

Undernutrition Throughout the World

Safety of Our Food Supply

Nutrition During Pregnancy and Breastfeeding

Nutrition From Infancy Through Adolescence

Nutrition During Adulthood

Filters

Exam 3: The Human Body: A Nutrition Perspective

Which of the following is a description of chyme?

Peristalsis refers to

Most stomach ulcers are cause by ______ infection.

What is one function of the pyloric sphincter?

Which of the following is true about digestive enzymes?

Which of the following organs is part of the GI tract?

After digestion and absorption,which circulatory system carries fat and fat-soluble vitamins?

The walls of the small intestine are folded,and within the folds are fingerlike projections called

A major function of the large intestine is to absorb

Partially digested food that enters the small intestine from the stomach is called

Which of the following is not a short-term storage site for carbohydrates in the body?

Constipation can best be prevented by

All of the following must be supplied by the diet to support the chemical processes of human physiology except

Which of the following is a function of sphincter muscles?

A recurrent and serious form of heartburn is called

Transmission of nerve impulses relies on the concentrations of ______ in the neuron.

The organelles that are known as the "power plants" or the "powerhouses" of the cell are the

The most active area for the absorption of nutrients into the body is the

When a nutrient moves freely from an area of higher solute concentration into an absorptive cell where the concentration is lower,this is called

When a nutrient moves,with the help of a carrier,from an area of higher solute concentration into an absorptive cell where the concentration is lower,this is called

Nutrition, food Choices, and Health

Designing a Healthy Dietary Pattern

Carbohydrates

Lipids

Proteins

Energy Balance and Weight Control

Overview of Micronutrients and Phytochemicals

Fluid and Electrolyte Balance

Nutrients Involved in Body Defenses

Nutrients Involved in Bone Health

Micronutrient Function in Energy Metabolism

Nutrients That Support Blood and Brain Health

Nutrition: Fitness and Sports

Eating Disorders

Undernutrition Throughout the World

Safety of Our Food Supply

Nutrition During Pregnancy and Breastfeeding

Nutrition From Infancy Through Adolescence

Nutrition During Adulthood

Filters