Question 1

In comparison to a low-density lipoprotein (LDL), a high density lipoprotein (HDL) contains

Accepted Answer

A)  less lipid. 
B)  less protein. 
C)  more cholesterol. 
D)  more carbohydrate. 
E)  more amino acids. 
A)  less lipid. 
B)  less protein. 
C)  more cholesterol. 
D)  more carbohydrate. 
E)  more amino acids.

Question 2

Reflux of gastric contents into the esophagus occurs because of

Accepted Answer

A)  relaxation of the cardiac sphincter. 
B)  contraction of the pyloric sphincter. 
C)  spasms of the submucosal layer of the stomach wall. 
D)  increased hydrochloric acid production by the parietal cells. 
E)  increased amounts of mucous produced by the stomach. 
A)  relaxation of the cardiac sphincter. 
B)  contraction of the pyloric sphincter. 
C)  spasms of the submucosal layer of the stomach wall. 
D)  increased hydrochloric acid production by the parietal cells. 
E)  increased amounts of mucous produced by the stomach.

Question 3

Match the enzyme with the products of its digestive activity.
-carboxypeptidase

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 4

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

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 5

Which of the following statements regarding swallowing is true?

Accepted Answer

A)  The voluntary phase begins in the pharynx. 
B)  In the pharyngeal phase, food is moved through the pharynx. 
C)  The uvula rises during the esophageal phase. 
D)  Peristalsis occurs in all phases of swallowing. 
E)  Breathing occurs during swallowing. 
A)  The voluntary phase begins in the pharynx. 
B)  In the pharyngeal phase, food is moved through the pharynx. 
C)  The uvula rises during the esophageal phase. 
D)  Peristalsis occurs in all phases of swallowing. 
E)  Breathing occurs during swallowing.

Question 6

Feces consist of

Accepted Answer

A)  water. 
B)  undigestible food. 
C)  bacteria. 
D)  sloughed-off epithelial cells. 
E)  All of these are found in feces. 
A)  water. 
B)  undigestible food. 
C)  bacteria. 
D)  sloughed-off epithelial cells. 
E)  All of these are found in feces.

Question 7

All of the following are muscles of mastication, except the ______________.

Accepted Answer

A)  buccinator 
B)  temporalis 
C)  masseter 
D)  medial pterygoid 
E)  lateral pterygoid 
A)  buccinator 
B)  temporalis 
C)  masseter 
D)  medial pterygoid 
E)  lateral pterygoid

Question 8

A blockage in the colon where the ascending colon turns to become the transverse colon would occur at the

Accepted Answer

A)  ileocecal valve. 
B)  hepatic flexure. 
C)  splenic flexure. 
D)  cardiac sphincter. 
E)  gastric flexure. 
A)  ileocecal valve. 
B)  hepatic flexure. 
C)  splenic flexure. 
D)  cardiac sphincter. 
E)  gastric flexure.

Question 9

Match the function with its appropriate description.
-mastication

Accepted Answer

A) movement of molecules from digestive tract into blood 
B) chewing of food 
C) muscular contractions that propel food 
D) removal of undigested wastes from body 
E) breakdown of organic molecules with digestive enzymes 
A) movement of molecules from digestive tract into blood 
B) chewing of food 
C) muscular contractions that propel food 
D) removal of undigested wastes from body 
E) breakdown of organic molecules with digestive enzymes

Question 10

Abdominal organs that lie against the body wall and have no mesenteries are said to be

Accepted Answer

A)  retroperitoneal. 
B)  antiperitoneal. 
C)  falciperitoneal. 
D)  hyperperitoneal. 
E)  mesoperitoneal. 
A)  retroperitoneal. 
B)  antiperitoneal. 
C)  falciperitoneal. 
D)  hyperperitoneal. 
E)  mesoperitoneal.

Question 11

The epiglottis covers the opening into the larynx during

Accepted Answer

A)  the voluntary phase of swallowing. 
B)  the pharyngeal phase of swallowing. 
C)  the esophageal phase of swallowing. 
D)  the gastric phase of swallowing. 
E)  the oral phase of swallowing. 
A)  the voluntary phase of swallowing. 
B)  the pharyngeal phase of swallowing. 
C)  the esophageal phase of swallowing. 
D)  the gastric phase of swallowing. 
E)  the oral phase of swallowing.

Question 12

The distention of the stomach by food is the primary stimulus to begin the

Accepted Answer

A)  cephalic phase of gastric secretion. 
B)  gastric phase of gastric secretion. 
C)  intestinal phase of gastric secretion. 
D)  cystic phase of gastric secretion. 
E)  hepatic phase of gastric secretion. 
A)  cephalic phase of gastric secretion. 
B)  gastric phase of gastric secretion. 
C)  intestinal phase of gastric secretion. 
D)  cystic phase of gastric secretion. 
E)  hepatic phase of gastric secretion.

Question 13

Match the secretion with the correct cell type.
-hydrochloric acid

Accepted Answer

A) endocrine cells 
B) hepatocyte 
C) parietal cells 
D) acinar cells 
E) goblet cells 
A) endocrine cells 
B) hepatocyte 
C) parietal cells 
D) acinar cells 
E) goblet cells

Question 14

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

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 15

Match the cell type with its function.
-granular 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 16

A mixing contraction in the small intestine is called

Accepted Answer

A)  peristalsis. 
B)  segmental contraction. 
C)  deglutition. 
D)  mass movement. 
A)  peristalsis. 
B)  segmental contraction. 
C)  deglutition. 
D)  mass movement.

Question 17

Match the cell type with its function.
-absorptive 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 18

Match the function with its appropriate description.
-elimination

Accepted Answer

A) movement of molecules from digestive tract into blood 
B) chewing of food 
C) muscular contractions that propel food 
D) removal of undigested wastes from body 
E) breakdown of organic molecules with digestive enzymes 
A) movement of molecules from digestive tract into blood 
B) chewing of food 
C) muscular contractions that propel food 
D) removal of undigested wastes from body 
E) breakdown of organic molecules with digestive enzymes

Question 19

Enzymes that digest carbohydrates include

Accepted Answer

A)  peptidases. 
B)  amylase, maltase, and sucrase. 
C)  lipase. 
D)  maltase and lipase. 
E)  trypsin and chymotrypsin. 
A)  peptidases. 
B)  amylase, maltase, and sucrase. 
C)  lipase. 
D)  maltase and lipase. 
E)  trypsin and chymotrypsin.

Question 20

The major types of enteric neurons include all of the following, except ______________.

Accepted Answer

A)  neurons that detect changes in chemical composition 
B)  neurons that stimulate or inhibit smooth muscle contractions 
C)  neurons that connect sensory and motor neurons 
D)  neurons that suppress epithelial secretions 
A)  neurons that detect changes in chemical composition 
B)  neurons that stimulate or inhibit smooth muscle contractions 
C)  neurons that connect sensory and motor neurons 
D)  neurons that suppress epithelial secretions

Exam 24: Digestive System

In comparison to a low-density lipoprotein (LDL), a high density lipoprotein (HDL) contains

Reflux of gastric contents into the esophagus occurs because of

Match the enzyme with the products of its digestive activity. -carboxypeptidase

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

Which of the following statements regarding swallowing is true?

Feces consist of

All of the following are muscles of mastication, except the ______________.

A blockage in the colon where the ascending colon turns to become the transverse colon would occur at the

Match the function with its appropriate description. -mastication

Abdominal organs that lie against the body wall and have no mesenteries are said to be

The epiglottis covers the opening into the larynx during

The distention of the stomach by food is the primary stimulus to begin the

Match the secretion with the correct cell type. -hydrochloric acid

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

Match the cell type with its function. -granular cells

A mixing contraction in the small intestine is called

Match the cell type with its function. -absorptive cells

Match the function with its appropriate description. -elimination

Enzymes that digest carbohydrates include

The major types of enteric neurons include all of the following, except ______________.

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints 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-Based Balance

Reproductive System

Development, Growth, Aging, and Genetics

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