Question 1

One of the signs of constipation is

Accepted Answer

A) increased thirst. 
B) inability to digest fats. 
C) less than 1 bowel movement per day. 
D) fewer than 3 bowel movements per week. 
A) increased thirst. 
B) inability to digest fats. 
C) less than 1 bowel movement per day. 
D) fewer than 3 bowel movements per week. D

Question 2

What structure controls the release of material from the stomach to the small intestine?

Accepted Answer

A) Ileocecal valve 
B) Pyloric sphincter 
C) Diaphragmatic valve 
D) Esophageal sphincter 
A) Ileocecal valve 
B) Pyloric sphincter 
C) Diaphragmatic valve 
D) Esophageal sphincter B

Question 3

Which of the following is NOT a typical component of stools?

Accepted Answer

A) Water 
B) Fiber 
C) Starch 
D) Bacteria 
A) Water 
B) Fiber 
C) Starch 
D) Bacteria C

Question 4

Which of the following is NOT among the functions of cholecystokinin?

Accepted Answer

A) Triggering release of bile 
B) Slowing GI tract motility 
C) Triggering release of gastrin 
D) Triggering release of pancreatic fluid 
A) Triggering release of bile 
B) Slowing GI tract motility 
C) Triggering release of gastrin 
D) Triggering release of pancreatic fluid

Question 5

Which of the following classes of nutrients requires the least amount of digestion?

Accepted Answer

A) Lipids 
B) Proteins 
C) Vitamins 
D) Carbohydrates 
A) Lipids 
B) Proteins 
C) Vitamins 
D) Carbohydrates

Question 6

What is the first vessel to receive absorbed water-soluble vitamins?

Accepted Answer

A) Hepatic vein 
B) Mesenteric vein 
C) Mesenteric artery 
D) Hepatic portal vein 
A) Hepatic vein 
B) Mesenteric vein 
C) Mesenteric artery 
D) Hepatic portal vein

Question 7

Approximately how many different species and subspecies of bacteria live in a healthy GI tract?

Accepted Answer

A) 20 
B) 100 
C) 400 
D) 1,000 
A) 20 
B) 100 
C) 400 
D) 1,000

Question 8

Which of the following is a feature of peristalsis?

Accepted Answer

A) It remains quiet between meals when the GI tract is empty 
B) It occurs along the GI tract at a constant rate when food is present 
C) It involves parallel and circular muscles found in the walls of the intestines but not the stomach 
D) It consists of wavelike muscular contractions resulting from alternate tightening and relaxing of circular muscles and longitudinal muscles 
A) It remains quiet between meals when the GI tract is empty 
B) It occurs along the GI tract at a constant rate when food is present 
C) It involves parallel and circular muscles found in the walls of the intestines but not the stomach 
D) It consists of wavelike muscular contractions resulting from alternate tightening and relaxing of circular muscles and longitudinal muscles

Question 9

Which of the following is a prominent feature of the expulsion of gas from the anus?

Accepted Answer

A) It is normal 
B) It can usually be reduced by increasing fiber intake 
C) It is usually worsened by consuming foods rich in fats 
D) The gas expelled is composed mostly of sulfur dioxide 
A) It is normal 
B) It can usually be reduced by increasing fiber intake 
C) It is usually worsened by consuming foods rich in fats 
D) The gas expelled is composed mostly of sulfur dioxide

Question 10

What is the lumen of the GI tract?

Accepted Answer

A) The epiglottis 
B) The capillaries 
C) The inner space 
D) The mucosal surface 
A) The epiglottis 
B) The capillaries 
C) The inner space 
D) The mucosal surface

Question 11

The usual pH of gastric juice is approximately

Accepted Answer

A) 2. 
B) 4. 
C) 6. 
D) 7. 
A) 2. 
B) 4. 
C) 6. 
D) 7.

Question 12

Where is the epiglottis located?

Accepted Answer

A) Throat 
B) Bile duct 
C) Pancreatic duct 
D) Lower esophagus 
A) Throat 
B) Bile duct 
C) Pancreatic duct 
D) Lower esophagus

Question 13

In what population group are choking and vomiting most serious?

Accepted Answer

A) Infants 
B) Teenagers 
C) Elderly females 
D) Obese 
A) Infants 
B) Teenagers 
C) Elderly females 
D) Obese

Question 14

What is the very first thing you should do if you suspect someone is choking on food?

Accepted Answer

A) Ask the person to speak 
B) Perform the Heimlich maneuver 
C) Strike the person sharply on the back 
D) Attempt to dislodge the food with your fingers 
A) Ask the person to speak 
B) Perform the Heimlich maneuver 
C) Strike the person sharply on the back 
D) Attempt to dislodge the food with your fingers

Question 15

What is the function of bile?

Accepted Answer

A) Emulsifies fats 
B) Initiates digestion of protein 
C) Enhances absorption of complex carbohydrates 
D) Protects the stomach and small intestine from the action of hydrochloric acid 
A) Emulsifies fats 
B) Initiates digestion of protein 
C) Enhances absorption of complex carbohydrates 
D) Protects the stomach and small intestine from the action of hydrochloric acid

Question 16

A person on a low-fiber diet is at increased risk for experiencing elevated rectal vein pressure leading to formation of

Accepted Answer

A) reflux. 
B) hiccups. 
C) hemorrhoids. 
D) peptic ulcers. 
A) reflux. 
B) hiccups. 
C) hemorrhoids. 
D) peptic ulcers.

Question 17

What is a bolus?

Accepted Answer

A) Enzyme that hydrolyzes starch 
B) Portion of food swallowed at one time 
C) Device used to analyze the contents of the stomach 
D) Sphincter muscle separating the stomach from the small intestine 
A) Enzyme that hydrolyzes starch 
B) Portion of food swallowed at one time 
C) Device used to analyze the contents of the stomach 
D) Sphincter muscle separating the stomach from the small intestine

Question 18

Over-the-counter antacids are best used to treat

Accepted Answer

A) excessive gas. 
B) excessive belching. 
C) occasional acid indigestion. 
D) active ulcers in the stomach. 
A) excessive gas. 
B) excessive belching. 
C) occasional acid indigestion. 
D) active ulcers in the stomach.

Question 19

A diagnosis of constipation is made when a person's number of bowel movements per week first drops to under

Accepted Answer

A) one. 
B) two. 
C) three. 
D) five. 
A) one. 
B) two. 
C) three. 
D) five.

Question 20

Which of the following is NOT a sphincter muscle?

Accepted Answer

A) Anus 
B) Cardiac 
C) Duodenum 
D) Ileocecal valve 
A) Anus 
B) Cardiac 
C) Duodenum 
D) Ileocecal valve

One of the signs of constipation is

What structure controls the release of material from the stomach to the small intestine?

Which of the following is NOT a typical component of stools?

Which of the following is NOT among the functions of cholecystokinin?

Which of the following classes of nutrients requires the least amount of digestion?

What is the first vessel to receive absorbed water-soluble vitamins?

Approximately how many different species and subspecies of bacteria live in a healthy GI tract?

Which of the following is a feature of peristalsis?

Which of the following is a prominent feature of the expulsion of gas from the anus?

What is the lumen of the GI tract?

The usual pH of gastric juice is approximately

Where is the epiglottis located?

In what population group are choking and vomiting most serious?

What is the very first thing you should do if you suspect someone is choking on food?

What is the function of bile?

A person on a low-fiber diet is at increased risk for experiencing elevated rectal vein pressure leading to formation of

What is a bolus?

Over-the-counter antacids are best used to treat

A diagnosis of constipation is made when a person's number of bowel movements per week first drops to under

Which of the following is NOT a sphincter muscle?

An Overview of Nutrition

Planning a Healthy Diet

The Carbohydrates: Sugars, starches, and Fibers

The Lipids: Triglycerides, phospholipids, and Sterols

Protein: Amino Acids

Energy Metabolism

Energy Balance and Body Composition

Weight Management: Overweight, obesity, and Underweight

The Water-Soluble Vitamins: B Vitamins and Vitamin C

The Fat-Soluble Vitamins: A, d, e, and K

Water and the Major Minerals

The Trace Minerals

Fitness: Physical Activity, nutrients, and Body Adaptations

Life Cycle Nutrition: Pregnancy and Lactation

Life Cycle Nutrition: Infancy, childhood, and Adolescence

Life Cycle Nutrition: Adulthood and the Later Years

Diet and Health

Consumer Concerns About Foods and Water

Hunger and the Global Environment

Filters

Exam 3: Digestion, absorption, and Transport

One of the signs of constipation is

What structure controls the release of material from the stomach to the small intestine?

Which of the following is NOT a typical component of stools?

Which of the following is NOT among the functions of cholecystokinin?

Which of the following classes of nutrients requires the least amount of digestion?

What is the first vessel to receive absorbed water-soluble vitamins?

Approximately how many different species and subspecies of bacteria live in a healthy GI tract?

Which of the following is a feature of peristalsis?

Which of the following is a prominent feature of the expulsion of gas from the anus?

What is the lumen of the GI tract?

The usual pH of gastric juice is approximately

Where is the epiglottis located?

In what population group are choking and vomiting most serious?

What is the very first thing you should do if you suspect someone is choking on food?

What is the function of bile?

A person on a low-fiber diet is at increased risk for experiencing elevated rectal vein pressure leading to formation of

What is a bolus?

Over-the-counter antacids are best used to treat

A diagnosis of constipation is made when a person's number of bowel movements per week first drops to under

Which of the following is NOT a sphincter muscle?

An Overview of Nutrition

Planning a Healthy Diet

The Carbohydrates: Sugars, starches, and Fibers

The Lipids: Triglycerides, phospholipids, and Sterols

Protein: Amino Acids

Energy Metabolism

Energy Balance and Body Composition

Weight Management: Overweight, obesity, and Underweight

The Water-Soluble Vitamins: B Vitamins and Vitamin C

The Fat-Soluble Vitamins: A, d, e, and K

Water and the Major Minerals

The Trace Minerals

Fitness: Physical Activity, nutrients, and Body Adaptations

Life Cycle Nutrition: Pregnancy and Lactation

Life Cycle Nutrition: Infancy, childhood, and Adolescence

Life Cycle Nutrition: Adulthood and the Later Years

Diet and Health

Consumer Concerns About Foods and Water

Hunger and the Global Environment

Filters