Question 1

Lymph

Accepted Answer

A)  is like blood, since it contains mostly red blood cells. 
B)  is a fluid containing blood proteins. 
C)  recycles nutrients between the liver and the small intestine. 
D)  transports fat-soluble particles from the intestinal tract to the general circulation. 
A)  is like blood, since it contains mostly red blood cells. 
B)  is a fluid containing blood proteins. 
C)  recycles nutrients between the liver and the small intestine. 
D)  transports fat-soluble particles from the intestinal tract to the general circulation.

Question 2

Which substances can be absorbed in the small intestine?

Accepted Answer

A)  glucose, minerals, amino acids, vitamins, alcohol 
B)  sucrose, lactose, fats, alcohol, protein 
C)  starch, fats, glucose, protein, alcohol 
D)  glucose, fructose, sucrose, alcohol, protein 
A)  glucose, minerals, amino acids, vitamins, alcohol 
B)  sucrose, lactose, fats, alcohol, protein 
C)  starch, fats, glucose, protein, alcohol 
D)  glucose, fructose, sucrose, alcohol, protein

Question 3

Irritable bowel syndrome (IBS)is caused by bacterial pathogens.

Accepted Answer

A) True 
 B)False

Question 4

Removal of the gallbladder prevents normal digestion and absorption of dietary fat.

Accepted Answer

A) True 
 B)False

Question 5

Carbohydrates that may contribute to intestinal gas formation include

Accepted Answer

A)  lactose, fructose, and raffinose. 
B)  amylose, glucose, and starch. 
C)  sucrose, starch, and glucose. 
D)  amylose, glucose, and sucrose. 
A)  lactose, fructose, and raffinose. 
B)  amylose, glucose, and starch. 
C)  sucrose, starch, and glucose. 
D)  amylose, glucose, and sucrose.

Question 6

The stomach is protected from digesting itself by producing

Accepted Answer

A)  bicarbonate only when food is in the stomach. 
B)  a thick layer of mucus to coat the lining of the stomach. 
C)  hydroxyl ions to neutralize the acid. 
D)  antipepsin that destroys digestive substances. 
A)  bicarbonate only when food is in the stomach. 
B)  a thick layer of mucus to coat the lining of the stomach. 
C)  hydroxyl ions to neutralize the acid. 
D)  antipepsin that destroys digestive substances.

Question 7

Swollen veins in the rectum or anus are called

Accepted Answer

A)  hemorrhoids. 
B)  peptic ulcers. 
C)  heartburn. 
D)  irritable bowel syndrome. 
A)  hemorrhoids. 
B)  peptic ulcers. 
C)  heartburn. 
D)  irritable bowel syndrome.

Question 8

Secretions from the pancreas include

Accepted Answer

A)  HCl and digestive enzymes. 
B)  sodium bicarbonate and digestive enzymes. 
C)  cholecystokinin and sodium bicarbonate. 
D)  All of these responses are correct. 
A)  HCl and digestive enzymes. 
B)  sodium bicarbonate and digestive enzymes. 
C)  cholecystokinin and sodium bicarbonate. 
D)  All of these responses are correct.

Question 9

Describe the functions of 4 major hormones specific to the digestive process.

Accepted Answer

1. Gastrin: Gastrin is a hormone that st

Question 10

Fat-soluble vitamins are absorbed directly into the cardiovascular system.

Accepted Answer

A) True 
 B)False

Question 11

An example of a brush border enzyme is

Accepted Answer

A)  sucrase. 
B)  lipase. 
C)  amylase. 
D)  bile. 
A)  sucrase. 
B)  lipase. 
C)  amylase. 
D)  bile.

Question 12

Bicarbonate ions (HCO3-)from the pancreas

Accepted Answer

A)  neutralize the acid contents in the stomach. 
B)  are synthesized in the pyloric sphincter. 
C)  neutralize the bile in the duodenum. 
D)  neutralize the acid contents in the duodenum. 
A)  neutralize the acid contents in the stomach. 
B)  are synthesized in the pyloric sphincter. 
C)  neutralize the bile in the duodenum. 
D)  neutralize the acid contents in the duodenum.

Question 13

The small intestine is divided into three segments.List them in descending order.

Accepted Answer

A)  Ileum, jejunum, duodenum 
B)  Jejunum, ileum, duodenum 
C)  Duodenum, ileum, jejunum 
D)  Duodenum, jejunum, ileum 
A)  Ileum, jejunum, duodenum 
B)  Jejunum, ileum, duodenum 
C)  Duodenum, ileum, jejunum 
D)  Duodenum, jejunum, ileum

Question 14

Segmentation as a function of the GI tract involves

Accepted Answer

A)  peristalsis to move the food along the GI tract. 
B)  back and forth contractions that break apart the food mass. 
C)  conscious effort. 
D)  enzyme input to break apart the food mass. 
A)  peristalsis to move the food along the GI tract. 
B)  back and forth contractions that break apart the food mass. 
C)  conscious effort. 
D)  enzyme input to break apart the food mass.

Question 15

The life span of absorptive cells in the villi is approximately

Accepted Answer

A)  24 hours. 
B)  2 to 5 days. 
C)  8 to 10 days. 
D)  4 to 6 weeks. 
A)  24 hours. 
B)  2 to 5 days. 
C)  8 to 10 days. 
D)  4 to 6 weeks.

Question 16

The fluid mixture that moves from the stomach to the duodenum is called

Accepted Answer

A)  bolus. 
B)  chyme. 
C)  food. 
D)  None of these choices are accurate. 
A)  bolus. 
B)  chyme. 
C)  food. 
D)  None of these choices are accurate.

Question 17

Heartburn is caused by

Accepted Answer

A)  acid surrounding the heart muscle. 
B)  acid and other digestive enzymes within the heart muscle. 
C)  the backflow of acidic stomach contents into the esophagus. 
D)  None of these choices are accurate. 
A)  acid surrounding the heart muscle. 
B)  acid and other digestive enzymes within the heart muscle. 
C)  the backflow of acidic stomach contents into the esophagus. 
D)  None of these choices are accurate.

Question 18

A person with a bad cold reports not being able to "taste" anything.Explain what has happened.

Accepted Answer

When a person with a bad cold reports no

Question 19

Most of the water in the gastrointestinal tract is absorbed in the small intestine.

Accepted Answer

A) True 
 B)False

Question 20

Tissues are defined as

Accepted Answer

A)  functional systems. 
B)  complex organs that perform one task. 
C)  a diverse collection of cells. 
D)  a collection of cells that perform a specific function. 
A)  functional systems. 
B)  complex organs that perform one task. 
C)  a diverse collection of cells. 
D)  a collection of cells that perform a specific function.

Lymph

Which substances can be absorbed in the small intestine?

Irritable bowel syndrome (IBS)is caused by bacterial pathogens.

Removal of the gallbladder prevents normal digestion and absorption of dietary fat.

Carbohydrates that may contribute to intestinal gas formation include

The stomach is protected from digesting itself by producing

Swollen veins in the rectum or anus are called

Secretions from the pancreas include

Describe the functions of 4 major hormones specific to the digestive process.

Fat-soluble vitamins are absorbed directly into the cardiovascular system.

An example of a brush border enzyme is

Bicarbonate ions (HCO₃-)from the pancreas

The small intestine is divided into three segments.List them in descending order.

Segmentation as a function of the GI tract involves

The life span of absorptive cells in the villi is approximately

The fluid mixture that moves from the stomach to the duodenum is called

Heartburn is caused by

A person with a bad cold reports not being able to "taste" anything.Explain what has happened.

Most of the water in the gastrointestinal tract is absorbed in the small intestine.

Tissues are defined as

The Science of Nutrition

Tools of a Healthy Diet

The Food Supply

Carbohydrates

Lipids

Protein

Alcohol

Energy Metabolism

Energy Balance,weight Control, Eating Disorders

Nutrition, exercise, and Sports

Fat-Soluble Vitamins

Water-Soluble Vitamins

Water and Major Minerals

Trace Minerals

Nutritional Aspects of Pregnancy and Breastfeeding

Nutrition During the Growing Years

Nutrition Throughout Adulthood

Filters

Exam 4: Human Digestion and Absorption

Lymph

Which substances can be absorbed in the small intestine?

Irritable bowel syndrome (IBS)is caused by bacterial pathogens.

Removal of the gallbladder prevents normal digestion and absorption of dietary fat.

Carbohydrates that may contribute to intestinal gas formation include

The stomach is protected from digesting itself by producing

Swollen veins in the rectum or anus are called

Secretions from the pancreas include

Describe the functions of 4 major hormones specific to the digestive process.

Fat-soluble vitamins are absorbed directly into the cardiovascular system.

An example of a brush border enzyme is

Bicarbonate ions (HCO3-)from the pancreas

The small intestine is divided into three segments.List them in descending order.

Segmentation as a function of the GI tract involves

The life span of absorptive cells in the villi is approximately

The fluid mixture that moves from the stomach to the duodenum is called

Heartburn is caused by

A person with a bad cold reports not being able to "taste" anything.Explain what has happened.

Most of the water in the gastrointestinal tract is absorbed in the small intestine.

Tissues are defined as

The Science of Nutrition

Tools of a Healthy Diet

The Food Supply

Carbohydrates

Lipids

Protein

Alcohol

Energy Metabolism

Energy Balance,weight Control, Eating Disorders

Nutrition, exercise, and Sports

Fat-Soluble Vitamins

Water-Soluble Vitamins

Water and Major Minerals

Trace Minerals

Nutritional Aspects of Pregnancy and Breastfeeding

Nutrition During the Growing Years

Nutrition Throughout Adulthood

Filters

Bicarbonate ions (HCO₃-)from the pancreas