Question 1

The enzyme amylase digests

Accepted Answer

A) peptides. 
B) polysaccharides. 
C) disaccharides. 
D) triglycerides. 
E) nucleotides. 
A) peptides. 
B) polysaccharides. 
C) disaccharides. 
D) triglycerides. 
E) nucleotides.

Question 2

Chief cells secrete

Accepted Answer

A) pepsinogen. 
B) gastrin. 
C) mucus. 
D) hydrochloric acid. 
E) intrinsic factor. 
A) pepsinogen. 
B) gastrin. 
C) mucus. 
D) hydrochloric acid. 
E) intrinsic factor.

Question 3

The intestinal hormone that stimulates the pancreas to release a watery,bicarbonate-rich fluid is

Accepted Answer

A) enterocrinin. 
B) secretin. 
C) cholecystokinin. 
D) GIP. 
E) gastrin. 
A) enterocrinin. 
B) secretin. 
C) cholecystokinin. 
D) GIP. 
E) gastrin.

Question 4

Outline the usual pathway for digestion and absorption of triglycerides (fats).

Accepted Answer

Fats are not soluble in water and so nee

Question 5

Functions of the tongue include all of the following except

Accepted Answer

A) mechanical processing of food. 
B) manipulation of food. 
C) sensory analysis of food. 
D) aiding in speech. 
E) partitioning the oropharynx from the nasopharynx. 
A) mechanical processing of food. 
B) manipulation of food. 
C) sensory analysis of food. 
D) aiding in speech. 
E) partitioning the oropharynx from the nasopharynx.

Question 6

Which layer of the digestive tract has a layer of areolar tissue that surrounds the muscularis mucosae?

Accepted Answer

A) submucosa 
B) digestive epithelium 
C) muscularis mucosae 
D) lamina propria 
E) mucosa 
A) submucosa 
B) digestive epithelium 
C) muscularis mucosae 
D) lamina propria 
E) mucosa

Question 7

The ________ gland empties into the oral cavity at the level of the second upper molar.

Accepted Answer

A) submaxillary 
B) submandibular 
C) parotid 
D) sublingual 
E) vestibular 
A) submaxillary 
B) submandibular 
C) parotid 
D) sublingual 
E) vestibular

Question 8

A small,wormlike structure attached to the posteromedial surface of the cecum is the

Accepted Answer

A) haustra. 
B) pancreas. 
C) gallbladder. 
D) appendix. 
E) ileum. 
A) haustra. 
B) pancreas. 
C) gallbladder. 
D) appendix. 
E) ileum.

Question 9

The part of the stomach that functions as a mixing chamber for food and secretions is the

Accepted Answer

A) body. 
B) antrum. 
C) pylorus. 
D) cardia. 
E) fundus. 
A) body. 
B) antrum. 
C) pylorus. 
D) cardia. 
E) fundus.

Question 10

Maltose is hydrolyzed into monosaccharides by the enzyme

Accepted Answer

A) maltase. 
B) dextrase. 
C) lactase. 
D) galactase. 
E) sucrase. 
A) maltase. 
B) dextrase. 
C) lactase. 
D) galactase. 
E) sucrase.

Question 11

Circular folds and intestinal villi

Accepted Answer

A) increase the surface area of the mucosa of the small intestine. 
B) carry products of digestion that will not pass through the walls of blood capillaries. 
C) produce new cells for the mucosa of the small intestine. 
D) secrete digestive enzymes. 
E) produce hormones. 
A) increase the surface area of the mucosa of the small intestine. 
B) carry products of digestion that will not pass through the walls of blood capillaries. 
C) produce new cells for the mucosa of the small intestine. 
D) secrete digestive enzymes. 
E) produce hormones.

Question 12

Waves of muscular contractions that propel the contents of the digestive tract are called

Accepted Answer

A) segmentation. 
B) pendular movements. 
C) peristalsis. 
D) churning movements. 
E) mastication. 
A) segmentation. 
B) pendular movements. 
C) peristalsis. 
D) churning movements. 
E) mastication.

Question 13

Each of the following organs is a component of the digestive tract except the

Accepted Answer

A) stomach. 
B) pharynx. 
C) esophagus. 
D) bladder. 
E) colon. 
A) stomach. 
B) pharynx. 
C) esophagus. 
D) bladder. 
E) colon.

Question 14

The space between the cheeks or lips and the teeth is called the

Accepted Answer

A) pharynx. 
B) larynx. 
C) fauces. 
D) vestibule. 
E) dip sulcus. 
A) pharynx. 
B) larynx. 
C) fauces. 
D) vestibule. 
E) dip sulcus.

Question 15

Which of the following is true regarding lactose intolerance?

Accepted Answer

A) The stomach produces inadequate amounts of lactase. 
B) Lactose-intolerant infants cannot digest dairy fat and are at risk of starvation. 
C) The person cannot digest any type of monosaccharide. 
D) The intestinal crypts are not producing the enzyme lactase. 
E) The enzyme maltase begins to digest lactose. 
A) The stomach produces inadequate amounts of lactase. 
B) Lactose-intolerant infants cannot digest dairy fat and are at risk of starvation. 
C) The person cannot digest any type of monosaccharide. 
D) The intestinal crypts are not producing the enzyme lactase. 
E) The enzyme maltase begins to digest lactose.

Question 16

An intestinal hormone that stimulates gastric secretion is

Accepted Answer

A) secretin. 
B) cholecystokinin. 
C) enteropeptidase. 
D) gastrin. 
E) gastric inhibitory peptide (GIP). 
A) secretin. 
B) cholecystokinin. 
C) enteropeptidase. 
D) gastrin. 
E) gastric inhibitory peptide (GIP).

Question 17

An intestinal hormone that stimulates mucin production by the submucosal duodenal glands is

Accepted Answer

A) secretin. 
B) cholecystokinin. 
C) enterocrinin. 
D) GIP. 
E) gastrin. 
A) secretin. 
B) cholecystokinin. 
C) enterocrinin. 
D) GIP. 
E) gastrin.

Question 18

________ are teeth with flattened crowns and prominent ridges that are adapted for crushing and grinding.

Accepted Answer

A) Molars 
B) Cuspids 
C) Eye teeth 
D) Canines 
E) Dentins 
A) Molars 
B) Cuspids 
C) Eye teeth 
D) Canines 
E) Dentins

Question 19

Within the oral cavity,both mechanical and chemical ________ begin.

Accepted Answer

A) mastication 
B) deglutition 
C) digestion 
D) ingestion 
E) secretions 
A) mastication 
B) deglutition 
C) digestion 
D) ingestion 
E) secretions

Question 20

The oral cavity is also known as the ________ cavity.

Accepted Answer

A) gingivae 
B) pharyngeal 
C) digestive 
D) buccal 
E) lingual 
A) gingivae 
B) pharyngeal 
C) digestive 
D) buccal 
E) lingual

Exam 24: The Digestive System

The enzyme amylase digests

Chief cells secrete

The intestinal hormone that stimulates the pancreas to release a watery,bicarbonate-rich fluid is

Outline the usual pathway for digestion and absorption of triglycerides (fats).

Functions of the tongue include all of the following except

Which layer of the digestive tract has a layer of areolar tissue that surrounds the muscularis mucosae?

The ________ gland empties into the oral cavity at the level of the second upper molar.

A small,wormlike structure attached to the posteromedial surface of the cecum is the

The part of the stomach that functions as a mixing chamber for food and secretions is the

Maltose is hydrolyzed into monosaccharides by the enzyme

Circular folds and intestinal villi

Waves of muscular contractions that propel the contents of the digestive tract are called

Each of the following organs is a component of the digestive tract except the

The space between the cheeks or lips and the teeth is called the

Which of the following is true regarding lactose intolerance?

An intestinal hormone that stimulates gastric secretion is

An intestinal hormone that stimulates mucin production by the submucosal duodenal glands is

________ are teeth with flattened crowns and prominent ridges that are adapted for crushing and grinding.

Within the oral cavity,both mechanical and chemical ________ begin.

The oral cavity is also known as the ________ cavity.

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Sensory Pathways and the Somatic Nervous System

The Autonomic Nervous System and Higher-Order Functions

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

Metabolism and Energetics

The Urinary System

Fluid, electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

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