Question 1

Arrange the following events involving lipids in the correct order.
(1) Absorption of lipids
(2) Emulsification
(3) Micelle formation
(4) Digestion of lipids

Accepted Answer

A)  1, 2, 3, 4 
B)  3, 4, 2, 1 
C)  4, 1, 2, 3 
D)  2, 4, 1, 3 
E)  2, 4, 3, 1 
A)  1, 2, 3, 4 
B)  3, 4, 2, 1 
C)  4, 1, 2, 3 
D)  2, 4, 1, 3 
E)  2, 4, 3, 1

Question 2

What is the purpose of segmental contractions of the small intestine?

Accepted Answer

A)  Propelling the chyme forward 
B)  Mixing of intestinal contents 
C)  Moving intestinal contents into the colon 
D)  Stretching the intestinal wall 
A)  Propelling the chyme forward 
B)  Mixing of intestinal contents 
C)  Moving intestinal contents into the colon 
D)  Stretching the intestinal wall

Question 3

Anticipation of eating food causes an increase in secretion of gastric juice. This phase of gastric secretion is called the ________ phase.

Accepted Answer

A)  cephalic 
B)  gastric 
C)  intestinal 
D)  pancreatic 
E)  conscious 
A)  cephalic 
B)  gastric 
C)  intestinal 
D)  pancreatic 
E)  conscious

Question 4

Match the cell type with its function.
-Endocrine cells

Accepted Answer

A) Produce hormones 
B) Produce mucus 
C) May protect intestinal epithelium 
D) Synthesize bile 
E) Produce digestive enzymes 
A) Produce hormones 
B) Produce mucus 
C) May protect intestinal epithelium 
D) Synthesize bile 
E) Produce digestive enzymes

Question 5

The esophagus

Accepted Answer

A)  extends from the fauces to the stomach. 
B)  has cartilage in its walls to keep it from collapsing. 
C)  produces two enzymes that digest proteins. 
D)  has upper and lower sphincters to regulate movement of food. 
E)  has thin walls of connective tissue. 
A)  extends from the fauces to the stomach. 
B)  has cartilage in its walls to keep it from collapsing. 
C)  produces two enzymes that digest proteins. 
D)  has upper and lower sphincters to regulate movement of food. 
E)  has thin walls of connective tissue.

Question 6

Cholecystokinin and the glossopharyngeal nerve stimulate the release of bile into the small intestine.

Accepted Answer

A) True 
 B)False

Question 7

Match the enzyme with the products of its digestive activity.
-Salivary amylase

Accepted Answer

A) Glucose and galactose 
B) Amino acids 
C) Fatty acids and glycerol 
D) Maltose and isomaltose 
E) Polysaccharides and disaccharides 
A) Glucose and galactose 
B) Amino acids 
C) Fatty acids and glycerol 
D) Maltose and isomaltose 
E) Polysaccharides and disaccharides

Question 8

Match the enzyme or hormone with the organ that produces it.
-Peptidases

Accepted Answer

A) Salivary glands 
B) Stomach 
C) Liver 
D) Small intestine 
E) Pancreas 
A) Salivary glands 
B) Stomach 
C) Liver 
D) Small intestine 
E) Pancreas

Question 9

A gallstone has completely blocked flow of bile into the small intestine. Where is the stone most likely lodged?

Accepted Answer

A)  Common bile duct 
B)  Cystic duct 
C)  Hepatic duct 
D)  Pancreatic duct 
A)  Common bile duct 
B)  Cystic duct 
C)  Hepatic duct 
D)  Pancreatic duct

Question 10

During mastication, food molecules are digested as the teeth break chemical bonds.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is NOT a necessary function of the tongue?

Accepted Answer

A)  Swallowing 
B)  Chewing 
C)  Taste 
D)  Speech 
A)  Swallowing 
B)  Chewing 
C)  Taste 
D)  Speech

Question 12

Which of the following would stimulate gastric secretion?

Accepted Answer

A)  Acidic chyme in duodenum 
B)  Secretin 
C)  Gastrin 
D)  Cholecystokinin 
E)  Pepsin 
A)  Acidic chyme in duodenum 
B)  Secretin 
C)  Gastrin 
D)  Cholecystokinin 
E)  Pepsin

Question 13

Segmental contractions are mixing contractions that occur predominantly in the ________.

Accepted Answer

A)  oral cavity 
B)  large intestine 
C)  esophagus 
D)  stomach 
E)  small intestine 
A)  oral cavity 
B)  large intestine 
C)  esophagus 
D)  stomach 
E)  small intestine

Question 14

The ________ helps hold a tooth in its socket.

Accepted Answer

A)  crown 
B)  pulp cavity 
C)  periodontal ligament 
D)  dental arch 
E)  alveoli 
A)  crown 
B)  pulp cavity 
C)  periodontal ligament 
D)  dental arch 
E)  alveoli

Question 15

Harrison loves to entertain his classmates with his strange talents. His newest "trick" is to roll his tongue into a tube shape. Which muscles are important for Harrison to perform this trick?

Accepted Answer

A)  Intrinsic muscles of the tongue 
B)  Extrinsic muscles of the tongue 
C)  Buccinator 
D)  Both "Intrinsic muscles of the tongue" and "Buccinator" are correct. 
A)  Intrinsic muscles of the tongue 
B)  Extrinsic muscles of the tongue 
C)  Buccinator 
D)  Both "Intrinsic muscles of the tongue" and "Buccinator" are correct.

Question 16

The epiglottis covers the opening into the larynx during the ________ phase of swallowing.

Accepted Answer

A)  voluntary 
B)  pharyngeal 
C)  esophageal 
D)  gastric 
E)  oral 
A)  voluntary 
B)  pharyngeal 
C)  esophageal 
D)  gastric 
E)  oral

Question 17

In order to remove a tumor in the muscular tunic of the stomach, a surgeon must cut through the ________.

Accepted Answer

A)  lamina propria 
B)  submucosa 
C)  serosa 
D)  mucosa 
A)  lamina propria 
B)  submucosa 
C)  serosa 
D)  mucosa

Question 18

The major secretion of the large intestine is ________.

Accepted Answer

A)  bile 
B)  hormones 
C)  mucus 
D)  vitamins 
E)  bacteria 
A)  bile 
B)  hormones 
C)  mucus 
D)  vitamins 
E)  bacteria

Question 19

Which is the correct order of the regions of the digestive tract from superior to inferior?

Accepted Answer

A)  Pharynx, esophagus, large intestine, small intestine 
B)  Oral cavity, stomach, small intestine, large intestine 
C)  Stomach, esophagus, large intestine, small intestine 
D)  Anus, large intestine, stomach, esophagus 
A)  Pharynx, esophagus, large intestine, small intestine 
B)  Oral cavity, stomach, small intestine, large intestine 
C)  Stomach, esophagus, large intestine, small intestine 
D)  Anus, large intestine, stomach, esophagus

Question 20

What muscle forms the cheek?

Accepted Answer

A)  Buccinator 
B)  Orbicularis oculi 
C)  Orbicularis oris 
D)  Zygomaticus 
A)  Buccinator 
B)  Orbicularis oculi 
C)  Orbicularis oris 
D)  Zygomaticus

Exam 24: Digestive System

Arrange the following events involving lipids in the correct order. (1) Absorption of lipids (2) Emulsification (3) Micelle formation (4) Digestion of lipids

What is the purpose of segmental contractions of the small intestine?

Anticipation of eating food causes an increase in secretion of gastric juice. This phase of gastric secretion is called the ________ phase.

Match the cell type with its function. -Endocrine cells

The esophagus

Cholecystokinin and the glossopharyngeal nerve stimulate the release of bile into the small intestine.

Match the enzyme with the products of its digestive activity. -Salivary amylase

Match the enzyme or hormone with the organ that produces it. -Peptidases

A gallstone has completely blocked flow of bile into the small intestine. Where is the stone most likely lodged?

During mastication, food molecules are digested as the teeth break chemical bonds.

Which of the following is NOT a necessary function of the tongue?

Which of the following would stimulate gastric secretion?

Segmental contractions are mixing contractions that occur predominantly in the ________.

The ________ helps hold a tooth in its socket.

Harrison loves to entertain his classmates with his strange talents. His newest "trick" is to roll his tongue into a tube shape. Which muscles are important for Harrison to perform this trick?

The epiglottis covers the opening into the larynx during the ________ phase of swallowing.

In order to remove a tumor in the muscular tunic of the stomach, a surgeon must cut through the ________.

The major secretion of the large intestine is ________.

Which is the correct order of the regions of the digestive tract from superior to inferior?

What muscle forms the cheek?

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joint and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive System

Development, Growth, Aging, and Genetics

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