Question 1

The activities of the digestive system are regulated by

Accepted Answer

A) hormones. 
B) parasympathetic and sympathetic neurons. 
C) the contents of the digestive tract. 
D) intrinsic nerve plexuses. 
E) All of the answers are correct. 
A) hormones. 
B) parasympathetic and sympathetic neurons. 
C) the contents of the digestive tract. 
D) intrinsic nerve plexuses. 
E) All of the answers are correct.

Question 2

Leon has gallstones.His doctor puts him on a diet low in fat.Why?

Accepted Answer

The gallbladder functions to concentrate

Question 3

The secondary dentition usually comprises ________ teeth.

Accepted Answer

The answer of The secondary dentition usually comprises ________ teeth....

Question 4

The technical term for chewing is ________.

Accepted Answer

The answer of The technical term for chewing is ________....

Question 5

In response to the hormone cholecystokinin,the pancreas secretes a fluid

Accepted Answer

A) rich in enzymes. 
B) rich in bicarbonate. 
C) rich in bile. 
D) rich in mucus. 
E) that contains only amylase. 
A) rich in enzymes. 
B) rich in bicarbonate. 
C) rich in bile. 
D) rich in mucus. 
E) that contains only amylase.

Question 6

The enzyme that digests starch into disaccharides and trisaccharides is ________.

Accepted Answer

The answer of The enzyme that digests starch into disaccharides...

Question 7

Figure 24-2 The Wall of the Small Intestine
Use Figure 24-2 to answer the following question:
-What is the layer labeled "3"?

Accepted Answer

A) mucosa 
B) submucosa 
C) muscularis externa 
D) muscularis mucosae 
E) serosa 
A) mucosa 
B) submucosa 
C) muscularis externa 
D) muscularis mucosae 
E) serosa

Question 8

________ are pointed teeth that are adapted for tearing and slashing.

Accepted Answer

A) Incisors 
B) Bicuspids 
C) Premolars 
D) Cuspids 
E) Molars 
A) Incisors 
B) Bicuspids 
C) Premolars 
D) Cuspids 
E) Molars

Question 9

Which organ is responsible for dehydration and compaction of indigestible materials?

Accepted Answer

A) small intestine 
B) esophagus 
C) large intestine 
D) stomach 
E) anus 
A) small intestine 
B) esophagus 
C) large intestine 
D) stomach 
E) anus

Question 10

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 11

Powerful peristaltic contractions that occur a few times each day in the colon are called

Accepted Answer

A) segmentation. 
B) pendular movements. 
C) haustral churning. 
D) defecation. 
E) mass movements. 
A) segmentation. 
B) pendular movements. 
C) haustral churning. 
D) defecation. 
E) mass movements.

Question 12

Which layer of the digestive tract has a dense irregular connective 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 13

The uvula is located at the

Accepted Answer

A) posterior of the tongue. 
B) margin of the vestibule. 
C) base of a tooth. 
D) posterior margin of the soft palate. 
E) margin of the oropharynx and the laryngopharynx. 
A) posterior of the tongue. 
B) margin of the vestibule. 
C) base of a tooth. 
D) posterior margin of the soft palate. 
E) margin of the oropharynx and the laryngopharynx.

Question 14

Which of these descriptions best matches the term myenteric plexus?

Accepted Answer

A) component of mucosa 
B) sensory neural network 
C) secretes a watery fluid 
D) coordinates activity of muscularis externa 
E) loose connective tissue layer containing blood vessels 
A) component of mucosa 
B) sensory neural network 
C) secretes a watery fluid 
D) coordinates activity of muscularis externa 
E) loose connective tissue layer containing blood vessels

Question 15

Bile is stored in the

Accepted Answer

A) liver. 
B) duodenum. 
C) pancreas. 
D) gallbladder. 
E) appendix. 
A) liver. 
B) duodenum. 
C) pancreas. 
D) gallbladder. 
E) appendix.

Question 16

Which of the following is an accessory organ of digestion?

Accepted Answer

A) appendix 
B) pancreas 
C) spleen 
D) colon 
E) esophagus 
A) appendix 
B) pancreas 
C) spleen 
D) colon 
E) esophagus

Question 17

The lamina propria and mucous epithelium are components of the

Accepted Answer

A) serosa. 
B) adventitia. 
C) muscularis mucosa. 
D) mucosa. 
E) submucosa. 
A) serosa. 
B) adventitia. 
C) muscularis mucosa. 
D) mucosa. 
E) submucosa.

Question 18

Gastric pits are

Accepted Answer

A) ridges in the body of the stomach. 
B) involved in absorption of liquids from the stomach. 
C) openings into gastric glands. 
D) acid scars in the esophagus. 
E) hollows where proteins are stored. 
A) ridges in the body of the stomach. 
B) involved in absorption of liquids from the stomach. 
C) openings into gastric glands. 
D) acid scars in the esophagus. 
E) hollows where proteins are stored.

Question 19

The stomach secretes the hormone ghrelin which functions to

Accepted Answer

A) inhibit hunger. 
B) initiate secretion of gastric juice containing enzymes and acid. 
C) regulate the digestion of lipids. 
D) stimulate hunger. 
E) stimulate secretion of mucus from submucosal glands. 
A) inhibit hunger. 
B) initiate secretion of gastric juice containing enzymes and acid. 
C) regulate the digestion of lipids. 
D) stimulate hunger. 
E) stimulate secretion of mucus from submucosal glands.

Question 20

The double-layer sheets of serous membrane that support the viscera are called

Accepted Answer

A) peritoneal sheets. 
B) mesenteries. 
C) ascites. 
D) the diaphragm. 
E) the dorsal and ventral frenulums. 
A) peritoneal sheets. 
B) mesenteries. 
C) ascites. 
D) the diaphragm. 
E) the dorsal and ventral frenulums.

Exam 24: The Digestive System

The activities of the digestive system are regulated by

Leon has gallstones.His doctor puts him on a diet low in fat.Why?

The secondary dentition usually comprises ________ teeth.

The technical term for chewing is ________.

In response to the hormone cholecystokinin,the pancreas secretes a fluid

The enzyme that digests starch into disaccharides and trisaccharides is ________.

Figure 24-2 The Wall of the Small Intestine Use Figure 24-2 to answer the following question: -What is the layer labeled "3"?

________ are pointed teeth that are adapted for tearing and slashing.

Which organ is responsible for dehydration and compaction of indigestible materials?

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

Powerful peristaltic contractions that occur a few times each day in the colon are called

Which layer of the digestive tract has a dense irregular connective tissue that surrounds the muscularis mucosae?

The uvula is located at the

Which of these descriptions best matches the term myenteric plexus?

Bile is stored in the

Which of the following is an accessory organ of digestion?

The lamina propria and mucous epithelium are components of the

Gastric pits are

The stomach secretes the hormone ghrelin which functions to

The double-layer sheets of serous membrane that support the viscera are called

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

Articulations

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Neural Integration I: Sensory Pathways and the Somatic Nervous System

Neural Integration Ii: the Autonomic Nervous System and

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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