Question 1

Match each digestive hormone with its action.
-inhibits gastric secretion and motility

Accepted Answer

A) Secretin 
B) Cholecystokinin (CCK) 
C) Gastrin 
D) Gastric inhibitory peptide (GIP) 
A) Secretin 
B) Cholecystokinin (CCK) 
C) Gastrin 
D) Gastric inhibitory peptide (GIP)

Question 2

The disaccharide lactose is made up of which two saccharide units?

Accepted Answer

A)  Glucose and glucose 
B)  Glucose and fructose 
C)  Glucose and galactose 
D)  None of the above 
A)  Glucose and glucose 
B)  Glucose and fructose 
C)  Glucose and galactose 
D)  None of the above

Question 3

The substances absorbed into the lymph capillaries are:

Accepted Answer

A)  glycerol and fatty acids. 
B)  glucose and glycerol. 
C)  amino acids and fatty acids. 
D)  glucose and amino acids. 
A)  glycerol and fatty acids. 
B)  glucose and glycerol. 
C)  amino acids and fatty acids. 
D)  glucose and amino acids.

Question 4

Allen was an alcoholic.He had a condition known as alcoholic hepatitis.This condition causes inflammation of the liver and results in reduced production and secretion of bile.What digestive complications does this produce?

Accepted Answer

Alcoholic hepatitis is a serious conditi

Question 5

Which of the following best describes the enzymatic role in carbohydrate digestion?

Accepted Answer

A)  Amylase, sucrase, lactase, and maltase catalyze the breakdown of carbohydrates to glucose. 
B)  Pepsin, trypsin, chymotrypsin, and peptidase catalyze the breakdown of carbohydrates to glucose. 
C)  Amylase, peptidase, sucrase, and chymotrypsin catalyze the breakdown of carbohydrates to glucose. 
D)  Lecithin mixes with water to catalyze the breakdown of carbohydrates to glucose. 
A)  Amylase, sucrase, lactase, and maltase catalyze the breakdown of carbohydrates to glucose. 
B)  Pepsin, trypsin, chymotrypsin, and peptidase catalyze the breakdown of carbohydrates to glucose. 
C)  Amylase, peptidase, sucrase, and chymotrypsin catalyze the breakdown of carbohydrates to glucose. 
D)  Lecithin mixes with water to catalyze the breakdown of carbohydrates to glucose.

Question 6

The most important function of the digestive system is:

Accepted Answer

A)  elimination. 
B)  absorption. 
C)  motility. 
D)  secretion. 
A)  elimination. 
B)  absorption. 
C)  motility. 
D)  secretion.

Question 7

Match each phase of gastric secretion with its corresponding statement or definition.
-phase that responds to taste,smell,thoughts of food,and sensations of chewing and swallowing

Accepted Answer

A) Cephalic phase 
B) Gastric phase 
C) Intestinal phase 
A) Cephalic phase 
B) Gastric phase 
C) Intestinal phase

Question 8

Explain the mechanism of absorption for water-soluble nutrients.

Accepted Answer

Water-soluble nutrients, such as vitamin

Question 9

Contact digestion occurs in which location in the digestive system?

Accepted Answer

A)  Mouth 
B)  Esophagus 
C)  Stomach 
D)  Small intestine 
A)  Mouth 
B)  Esophagus 
C)  Stomach 
D)  Small intestine

Question 10

Explain ways in which gastric motility is regulated.

Accepted Answer

Gastric motility, or the movement of foo

Question 11

Match each primary mechanism of the digestive system with its corresponding definition.
-excretion of the residues of the digestive process (feces)from the rectum,through the anus; defecation

Accepted Answer

A) Motility 
B) Ingestion 
C) Elimination 
D) Secretion 
E) Digestion
F)Absorption 
A) Motility 
B) Ingestion 
C) Elimination 
D) Secretion 
E) Digestion
F)Absorption

Question 12

Match each primary mechanism of the digestive system with its corresponding definition.
-movement by the muscular components of the digestive tube,including processes of mechanical digestion; examples include peristalsis and segmentation

Accepted Answer

A) Motility 
B) Ingestion 
C) Elimination 
D) Secretion 
E) Digestion
F)Absorption 
A) Motility 
B) Ingestion 
C) Elimination 
D) Secretion 
E) Digestion
F)Absorption

Question 13

Match each structure with its function, description, or the enzyme it produces.
-organ in which trypsinogen is made

Accepted Answer

A) Gallbladder 
B) Salivary gland 
C) Pancreas 
D) Stomach 
E) Small intestine
F)Liver 
A) Gallbladder 
B) Salivary gland 
C) Pancreas 
D) Stomach 
E) Small intestine
F)Liver

Question 14

Which of the following is not a digestive enzyme for lipids?

Accepted Answer

A)  Bile 
B)  Lipase 
C)  Phospholipase 
D)  All of the above are digestive enzymes for lipids. 
A)  Bile 
B)  Lipase 
C)  Phospholipase 
D)  All of the above are digestive enzymes for lipids.

Question 15

Most enzymes catalyze a chemical reaction in both directions.Which is the best explanation of this statement?

Accepted Answer

A)  Chemical reaction in both directions means the direction and rate of the reaction is being governed by gravity; for example, food in the lower digestive tract is moved by peristalsis, whereas food in the upper part of the digestive tract is moved by segmentation. 
B)  Chemical reaction in both directions means that enzymes are both intracellular and extracellular, depending on whether they act within cells or outside them in the surrounding medium. 
C)  Chemical reaction in both directions means the direction and rate of the reaction is being governed by the rate law or law of mass action; for example, slowing of digestion when absorption is interfered with and the products of digestion accumulate. 
D)  Both B and C are accurate explanations. 
A)  Chemical reaction in both directions means the direction and rate of the reaction is being governed by gravity; for example, food in the lower digestive tract is moved by peristalsis, whereas food in the upper part of the digestive tract is moved by segmentation. 
B)  Chemical reaction in both directions means that enzymes are both intracellular and extracellular, depending on whether they act within cells or outside them in the surrounding medium. 
C)  Chemical reaction in both directions means the direction and rate of the reaction is being governed by the rate law or law of mass action; for example, slowing of digestion when absorption is interfered with and the products of digestion accumulate. 
D)  Both B and C are accurate explanations.

Question 16

The enterogastric reflex causes:

Accepted Answer

A)  secretion of digestive enzymes in the small intestine. 
B)  secretion of digestive enzymes in the stomach. 
C)  inhibition of gastric peristalsis. 
D)  acceleration of gastric peristalsis. 
A)  secretion of digestive enzymes in the small intestine. 
B)  secretion of digestive enzymes in the stomach. 
C)  inhibition of gastric peristalsis. 
D)  acceleration of gastric peristalsis.

Question 17

Cellulose is a residue of digestion that comes from:

Accepted Answer

A)  carbohydrates. 
B)  meat proteins. 
C)  undigested fats. 
D)  undigested connective tissue. 
A)  carbohydrates. 
B)  meat proteins. 
C)  undigested fats. 
D)  undigested connective tissue.

Question 18

Which phase(s)of gastric secretion is(are)stimulated by the sight,taste,and smell of food?

Accepted Answer

A)  Intestinal phase 
B)  Cephalic phase 
C)  Gastric phase 
D)  All of the above 
A)  Intestinal phase 
B)  Cephalic phase 
C)  Gastric phase 
D)  All of the above

Question 19

The process of emulsification is important in the digestion of:

Accepted Answer

A)  proteins. 
B)  fats. 
C)  polysaccharides. 
D)  disaccharides. 
A)  proteins. 
B)  fats. 
C)  polysaccharides. 
D)  disaccharides.

Question 20

Polysaccharides are hydrolyzed into disaccharides by enzymes known as:

Accepted Answer

A)  lipase. 
B)  proteases. 
C)  maltase. 
D)  amylase. 
A)  lipase. 
B)  proteases. 
C)  maltase. 
D)  amylase.

Exam 29: B: Physiology of the Digestive System

Match each digestive hormone with its action. -inhibits gastric secretion and motility

The disaccharide lactose is made up of which two saccharide units?

The substances absorbed into the lymph capillaries are:

Allen was an alcoholic.He had a condition known as alcoholic hepatitis.This condition causes inflammation of the liver and results in reduced production and secretion of bile.What digestive complications does this produce?

Which of the following best describes the enzymatic role in carbohydrate digestion?

The most important function of the digestive system is:

Match each phase of gastric secretion with its corresponding statement or definition. -phase that responds to taste,smell,thoughts of food,and sensations of chewing and swallowing

Explain the mechanism of absorption for water-soluble nutrients.

Contact digestion occurs in which location in the digestive system?

Explain ways in which gastric motility is regulated.

Match each primary mechanism of the digestive system with its corresponding definition. -excretion of the residues of the digestive process (feces)from the rectum,through the anus; defecation

Match each primary mechanism of the digestive system with its corresponding definition. -movement by the muscular components of the digestive tube,including processes of mechanical digestion; examples include peristalsis and segmentation

Match each structure with its function, description, or the enzyme it produces. -organ in which trypsinogen is made

Which of the following is not a digestive enzyme for lipids?

Most enzymes catalyze a chemical reaction in both directions.Which is the best explanation of this statement?

The enterogastric reflex causes:

Cellulose is a residue of digestion that comes from:

Which phase(s)of gastric secretion is(are)stimulated by the sight,taste,and smell of food?

The process of emulsification is important in the digestion of:

Polysaccharides are hydrolyzed into disaccharides by enzymes known as:

A: Organization of the Body

B: Organization of the Body

A: The Chemical Basis of Life

B: The Chemical Basis of Life

A: Anatomy of Cells

B: Anatomy of Cells

Physiology of Cells

Cell Growth and Reproduction

Tissues

A: Skin and Its Appendages

B: Skin and Its Appendages

A: Skeletal Tissues

B: Skeletal Tissues

Skeletal System

A: Articulations

B: Articulations

A: Anatomy of the Muscular System

B: Anatomy of the Muscular System

A: Physiology of the Muscular System

B: Physiology of the Muscular System

A: Nervous System Cells

B: Nervous System Cells

A: Central Nervous System

B: Central Nervous System

Peripheral Nervous System

Autonomic Nervous System

A: Sense Organs

B: Sense Organs

Endocrine System

Endocrine Glands

Blood

Anatomy of the Cardiovascular System

A: Physiology of the Cardiovascular System

B: Physiology of the Cardiovascular System

Lymphatic System

A: Immune System

B: Immune System

Stress

Anatomy of the Respiratory System

A: Physiology of the Respiratory System

B: Physiology of the Respiratory System

A: Anatomy of the Digestive System

B: Anatomy of the Digestive System

A: Physiology of the Digestive System

A: Nutrition and Metabolism

B: Nutrition and Metabolism

A: Urinary System

B: Urinary System

Fluid and Electrolyte Balance

Acid-Base Balance

Male Reproductive System

A: Female Reproductive System

B: Female Reproductive System

A: Growth and Development

B: Growth and Development

A: Genetics and Heredity

B: Genetics and Heredity

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