Question 1

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 2

Sensory nerve cells, parasympathetic ganglia, and sympathetic postganglionic fibers can be found in the

Accepted Answer

A)  mucosa. 
B)  serosa. 
C)  adventitia. 
D)  submucosal neural plexus. 
E)  lamina propria. 
A)  mucosa. 
B)  serosa. 
C)  adventitia. 
D)  submucosal neural plexus. 
E)  lamina propria.

Question 3

Which of the following descriptions best matches the term cholecystokinin (CCK)?

Accepted Answer

A)  where pancreatic juice and bile enter duodenum 
B)  carries absorbed sugars and amino acids 
C)  stimulates pancreas to secrete bicarbonate-rich fluid 
D)  causes gallbladder to contract 
E)  stimulates gastric secretion 
A)  where pancreatic juice and bile enter duodenum 
B)  carries absorbed sugars and amino acids 
C)  stimulates pancreas to secrete bicarbonate-rich fluid 
D)  causes gallbladder to contract 
E)  stimulates gastric secretion

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

Figure 24-2 The Wall of the Small Intestine
  
Use Figure 24-2 to answer the following questions:
-What is the name of the structure labeled "6"?

Accepted Answer

A)  circular folds 
B)  villi 
C)  microvilli 
D)  lacteal 
E)  rugae 
A)  circular folds 
B)  villi 
C)  microvilli 
D)  lacteal 
E)  rugae

Question 6

Which is not true of pancreatic enzymes?

Accepted Answer

A)  Their primary site of action is the pancreas. 
B)  The majority are proteases. 
C)  Most are secreted as proenzymes. 
D)  They digest carbohydrates, lipids, proteins, and nucleic acids. 
E)  They are produced by exocrine tissue. 
A)  Their primary site of action is the pancreas. 
B)  The majority are proteases. 
C)  Most are secreted as proenzymes. 
D)  They digest carbohydrates, lipids, proteins, and nucleic acids. 
E)  They are produced by exocrine tissue.

Question 7

The functions of the oral cavity include all of the following except

Accepted Answer

A)  sensory analysis of material before swallowing. 
B)  mechanical processing of food. 
C)  lubrication. 
D)  absorption of monosaccharides. 
E)  digestion of carbohydrates. 
A)  sensory analysis of material before swallowing. 
B)  mechanical processing of food. 
C)  lubrication. 
D)  absorption of monosaccharides. 
E)  digestion of carbohydrates.

Question 8

Put the following steps of stomach acid production in the correct order starting with the reaction that requires an enzyme.
1) Carbonic acid dissociates.
2) Chloride ion combines with H+ in the gastric lumen.
3) Water and CO2 combine to form carbonic acid.
4) H+ and bicarbonate ion are transported into the gastric lumen.
5) Cl- diffuses into the gastric lumen.

Accepted Answer

A)  3, 1, 2, 5, 4 
B)  1, 3, 5, 2, 4 
C)  4, 5, 3, 1, 2 
D)  4, 5, 1, 2, 3 
E)  3, 1, 4, 5, 2 
A)  3, 1, 2, 5, 4 
B)  1, 3, 5, 2, 4 
C)  4, 5, 3, 1, 2 
D)  4, 5, 1, 2, 3 
E)  3, 1, 4, 5, 2

Question 9

The villi are most developed in the

Accepted Answer

A)  stomach. 
B)  duodenum. 
C)  jejunum. 
D)  gallbladder. 
E)  cecum. 
A)  stomach. 
B)  duodenum. 
C)  jejunum. 
D)  gallbladder. 
E)  cecum.

Question 10

Tony is a chronic alcoholic with cirrhosis of the liver, a condition in which liver cells die and are replaced by connective tissue. Which of the following signs would you not expect to observe in Tony?

Accepted Answer

A)  increased clotting time 
B)  jaundice 
C)  portal hypertension and ascites 
D)  decrease in plasma protein production 
E)  impaired erythropoiesis 
A)  increased clotting time 
B)  jaundice 
C)  portal hypertension and ascites 
D)  decrease in plasma protein production 
E)  impaired erythropoiesis

Question 11

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 12

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 13

Each tooth is held in the alveolar socket by the

Accepted Answer

A)  cement. 
B)  roots. 
C)  periodontal ligament. 
D)  alveolar tendon. 
E)  apical foramen. 
A)  cement. 
B)  roots. 
C)  periodontal ligament. 
D)  alveolar tendon. 
E)  apical foramen.

Question 14

The ________ supports all but 25 cm of the small intestine and provides stability and limited movement.

Accepted Answer

A)  falciform ligament 
B)  greater omentum 
C)  mesentery proper 
D)  lesser omentum 
E)  diaphragm 
A)  falciform ligament 
B)  greater omentum 
C)  mesentery proper 
D)  lesser omentum 
E)  diaphragm

Question 15

Figure 24-1 The Stomach (dissected)
  
Use Figure 24-1 to answer the following questions:
-Which structure(s) help(s) the stomach to stretch as it fills with food?

Accepted Answer

A)  3 
B)  4 
C)  5 
D)  6 
E)  9 
A)  3 
B)  4 
C)  5 
D)  6 
E)  9

Question 16

Upon swallowing, food moves from the mouth directly into the

Accepted Answer

A)  oral vestibule. 
B)  buccal cavity. 
C)  sublingual space. 
D)  oropharynx. 
E)  oral mucosae. 
A)  oral vestibule. 
B)  buccal cavity. 
C)  sublingual space. 
D)  oropharynx. 
E)  oral mucosae.

Question 17

What provides access for blood vessels entering and leaving the liver?

Accepted Answer

A)  falciform ligament 
B)  greater omentum 
C)  mesentery proper 
D)  lesser omentum 
E)  diaphragm 
A)  falciform ligament 
B)  greater omentum 
C)  mesentery proper 
D)  lesser omentum 
E)  diaphragm

Question 18

Circular folds are

Accepted Answer

A)  ridges in the wall of the stomach. 
B)  pleats in the lining of the small intestine. 
C)  fingerlike projections on the surface of the mucosa of the small intestine. 
D)  sacculations in the colon. 
E)  abnormal structures formed by excessive pressure in the small intestine. 
A)  ridges in the wall of the stomach. 
B)  pleats in the lining of the small intestine. 
C)  fingerlike projections on the surface of the mucosa of the small intestine. 
D)  sacculations in the colon. 
E)  abnormal structures formed by excessive pressure in the small intestine.

Question 19

Which of the following 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 20

An enzyme secreted by the gastric mucosa of a newborn that coagulates milk proteins is

Accepted Answer

A)  pepsin. 
B)  trypsin. 
C)  gastrin. 
D)  rennin. 
E)  cholecystokinin. 
A)  pepsin. 
B)  trypsin. 
C)  gastrin. 
D)  rennin. 
E)  cholecystokinin.

Exam 24: The Digestive System

The uvula is located at the

Sensory nerve cells, parasympathetic ganglia, and sympathetic postganglionic fibers can be found in the

Which of the following descriptions best matches the term cholecystokinin (CCK)?

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

Figure 24-2 The Wall of the Small Intestine Use Figure 24-2 to answer the following questions: -What is the name of the structure labeled "6"?

Which is not true of pancreatic enzymes?

The functions of the oral cavity include all of the following except

The villi are most developed in the

Tony is a chronic alcoholic with cirrhosis of the liver, a condition in which liver cells die and are replaced by connective tissue. Which of the following signs would you not expect to observe in Tony?

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

Which of the following is an accessory organ of digestion?

Each tooth is held in the alveolar socket by the

The ________ supports all but 25 cm of the small intestine and provides stability and limited movement.

Figure 24-1 The Stomach (dissected) Use Figure 24-1 to answer the following questions: -Which structure(s) help(s) the stomach to stretch as it fills with food?

Upon swallowing, food moves from the mouth directly into the

What provides access for blood vessels entering and leaving the liver?

Circular folds are

Which of the following descriptions best matches the term myenteric plexus?

An enzyme secreted by the gastric mucosa of a newborn that coagulates milk proteins is

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Bones and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Nervous 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, Nutrition, and Energetics

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

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