Question 1

Intrinsic factor

Accepted Answer

A)  increases gastric motility. 
B)  causes the release of stomach acid. 
C)  facilitates the absorption of vitamin B12. 
D)  protects the stomach lining from the effects of stomach acid. 
E)  stimulates the synthesis of DNA. 
A)  increases gastric motility. 
B)  causes the release of stomach acid. 
C)  facilitates the absorption of vitamin B12. 
D)  protects the stomach lining from the effects of stomach acid. 
E)  stimulates the synthesis of DNA.

Question 2

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 3

Match the mesenteries or membranes with its appropriate description.
-lesser omentum

Accepted Answer

A) mesentery of the small intestine 
B) serous membrane that covers organs 
C) attaches the liver to the diaphragm 
D) connects lesser curvature of stomach to the liver 
E) mesentery of the colon 
A) mesentery of the small intestine 
B) serous membrane that covers organs 
C) attaches the liver to the diaphragm 
D) connects lesser curvature of stomach to the liver 
E) mesentery of the colon

Question 4

Which of the following is an end product of protein digestion?

Accepted Answer

A)  glucose 
B)  amino acids 
C)  LDL molecules 
D)  micelles 
E)  nucleic acids 
A)  glucose 
B)  amino acids 
C)  LDL molecules 
D)  micelles 
E)  nucleic acids

Question 5

Match the process or term with the best description.
-deglutition

Accepted Answer

A) swallowing 
B) chewing 
C) ball of food 
D) semifluid material 
E) phagocytosis 
A) swallowing 
B) chewing 
C) ball of food 
D) semifluid material 
E) phagocytosis

Question 6

Teeth in adults

Accepted Answer

A)  are replaced by osteoblast activity if they are extracted. 
B)  are distributed so that there is one canine tooth in each half jaw. 
C)  are all of the same type - molars. 
D)  are composed of living cells called enamel cells. 
E)  do not play a role in speech. 
A)  are replaced by osteoblast activity if they are extracted. 
B)  are distributed so that there is one canine tooth in each half jaw. 
C)  are all of the same type - molars. 
D)  are composed of living cells called enamel cells. 
E)  do not play a role in speech.

Question 7

A large amount of fat accumulates in the

Accepted Answer

A)  greater omentum. 
B)  lesser omentum. 
C)  coronary ligament. 
D)  sigmoid mesocolon. 
E)  visceral peritoneum. 
A)  greater omentum. 
B)  lesser omentum. 
C)  coronary ligament. 
D)  sigmoid mesocolon. 
E)  visceral peritoneum.

Question 8

Arrange the following in proper sequence: (1) digestion
(2) elimination
(3) ingestion
(4) absorption

Accepted Answer

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

Question 9

Which of the following are effects of aging on the digestive system?

Accepted Answer

A)  blood supply decreases 
B)  more likely to develop ulcerations and cancers 
C)  enamel on teeth becomes thinner 
D)  blood supply decreases and more likely to develop ulcerations and cancers. 
E)  blood supply decreases, more likely to develop ulcerations and cancers and enamel on teeth becomes thinner. 
A)  blood supply decreases 
B)  more likely to develop ulcerations and cancers 
C)  enamel on teeth becomes thinner 
D)  blood supply decreases and more likely to develop ulcerations and cancers. 
E)  blood supply decreases, more likely to develop ulcerations and cancers and enamel on teeth becomes thinner.

Question 10

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

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 11

Pepsinogen

Accepted Answer

A)  is secreted by parietal cells. 
B)  is activated by salivary amylase in swallowed food. 
C)  is packaged in zymogen granules. 
D)  operates optimally at a pH of 5 or more. 
E)  helps to form peptide bonds. 
A)  is secreted by parietal cells. 
B)  is activated by salivary amylase in swallowed food. 
C)  is packaged in zymogen granules. 
D)  operates optimally at a pH of 5 or more. 
E)  helps to form peptide bonds.

Question 12

Cholecystokinin is produced by endocrine cells of the

Accepted Answer

A)  stomach. 
B)  small intestine. 
C)  pancreas. 
D)  large intestine. 
E)  liver. 
A)  stomach. 
B)  small intestine. 
C)  pancreas. 
D)  large intestine. 
E)  liver.

Question 13

Food is prevented from entering the nasal cavity during swallowing by the

Accepted Answer

A)  epiglottis. 
B)  palatine tonsils. 
C)  tongue. 
D)  soft palate. 
E)  hard palate. 
A)  epiglottis. 
B)  palatine tonsils. 
C)  tongue. 
D)  soft palate. 
E)  hard palate.

Question 14

Chylomicrons

Accepted Answer

A)  are synthesized in intestinal epithelial cells. 
B)  enter capillaries in the small intestine. 
C)  help emulsify fats. 
D)  are a rich source of carbohydrate. 
E)  are synthesized in the lumen of the small intestines. 
A)  are synthesized in intestinal epithelial cells. 
B)  enter capillaries in the small intestine. 
C)  help emulsify fats. 
D)  are a rich source of carbohydrate. 
E)  are synthesized in the lumen of the small intestines.

Question 15

Which of the following cell types is correctly matched with its function?

Accepted Answer

A)  endocrine cells - produce mucus 
B)  absorptive cells - produce digestive enzymes 
C)  granular cells - absorb nutrients 
D)  goblet cells - produce hormones 
E)  granular cells - produce granules 
A)  endocrine cells - produce mucus 
B)  absorptive cells - produce digestive enzymes 
C)  granular cells - absorb nutrients 
D)  goblet cells - produce hormones 
E)  granular cells - produce granules

Question 16

The pyloric pump

Accepted Answer

A)  mixes stomach contents for digestion. 
B)  causes hunger contractions. 
C)  moves chyme through a partially closed pyloric opening. 
D)  causes rugae to flatten. 
E)  opens the pyloric sphincter completely. 
A)  mixes stomach contents for digestion. 
B)  causes hunger contractions. 
C)  moves chyme through a partially closed pyloric opening. 
D)  causes rugae to flatten. 
E)  opens the pyloric sphincter completely.

Question 17

Which of the following statements regarding the pancreas is true?

Accepted Answer

A)  The head of the pancreas lies in the curvature of the ileum. 
B)  The pancreatic duct carries both enzymes and hormones. 
C)  The pancreatic acinar cells secrete digestive enzymes. 
D)  The pancreas assists the stomach in the absorption of digested food. 
E)  The pancreas digests sugar. 
A)  The head of the pancreas lies in the curvature of the ileum. 
B)  The pancreatic duct carries both enzymes and hormones. 
C)  The pancreatic acinar cells secrete digestive enzymes. 
D)  The pancreas assists the stomach in the absorption of digested food. 
E)  The pancreas digests sugar.

Question 18

When chyme enters the duodenum, ____ is released and stimulates the pancreas to secrete bicarbonates.

Accepted Answer

A)  gastrin 
B)  secretin 
C)  insulin 
D)  cholecystokinin 
E)  glucagon 
A)  gastrin 
B)  secretin 
C)  insulin 
D)  cholecystokinin 
E)  glucagon

Question 19

Strong peristaltic contractions in the large intestine are called

Accepted Answer

A)  segmental contractions. 
B)  churning contractions. 
C)  mass movements. 
D)  rectal propulsions. 
E)  defecation. 
A)  segmental contractions. 
B)  churning contractions. 
C)  mass movements. 
D)  rectal propulsions. 
E)  defecation.

Question 20

Which of the following is located closest to the rectum?

Accepted Answer

A)  ascending colon 
B)  descending colon 
C)  transverse colon 
D)  sigmoid colon 
E)  cecum 
A)  ascending colon 
B)  descending colon 
C)  transverse colon 
D)  sigmoid colon 
E)  cecum

Exam 24: Digestive System

Intrinsic factor

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

Match the mesenteries or membranes with its appropriate description. -lesser omentum

Which of the following is an end product of protein digestion?

Match the process or term with the best description. -deglutition

Teeth in adults

A large amount of fat accumulates in the

Arrange the following in proper sequence: (1) digestion (2) elimination (3) ingestion (4) absorption

Which of the following are effects of aging on the digestive system?

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

Pepsinogen

Cholecystokinin is produced by endocrine cells of the

Food is prevented from entering the nasal cavity during swallowing by the

Chylomicrons

Which of the following cell types is correctly matched with its function?

The pyloric pump

Which of the following statements regarding the pancreas is true?

When chyme enters the duodenum, ____ is released and stimulates the pancreas to secrete bicarbonates.

Strong peristaltic contractions in the large intestine are called

Which of the following is located closest to the rectum?

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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