Question 1

Which of the following would stimulate gastric secretion?

Accepted Answer

A)  acidic chyme in duodenum 
B)  secretin 
C)  gastrin 
D)  cholecystokinin 
E)  pepsin 
A)  acidic chyme in duodenum 
B)  secretin 
C)  gastrin 
D)  cholecystokinin 
E)  pepsin

Question 2

Which of the following organs is part of the digestive tract or alimentary canal?

Accepted Answer

A)  salivary gland 
B)  liver 
C)  gallbladder 
D)  stomach 
E)  pancreas 
A)  salivary gland 
B)  liver 
C)  gallbladder 
D)  stomach 
E)  pancreas

Question 3

Match the organ with the function.
-duodenum

Accepted Answer

A) produces bile 
B) stores and concentrates bile 
C) primary site of chemical digestion 
D) produces intrinsic factor 
E) bacterial decomposition 
A) produces bile 
B) stores and concentrates bile 
C) primary site of chemical digestion 
D) produces intrinsic factor 
E) bacterial decomposition

Question 4

-The diagram illustrates the anatomy of the stomach. What does "A" represent?

Accepted Answer

A)  muscularis 
B)  duodenum 
C)  esophagus 
D)  pyloric sphincter 
E)  cardiac part 
A)  muscularis 
B)  duodenum 
C)  esophagus 
D)  pyloric sphincter 
E)  cardiac part

Question 5

Which of the following is NOT a function of the small intestine?

Accepted Answer

A)  mastication of food 
B)  absorption of nutrients 
C)  complete digestion of food 
D)  mixing by segmental contractions 
A)  mastication of food 
B)  absorption of nutrients 
C)  complete digestion of food 
D)  mixing by segmental contractions

Question 6

Which of the following is an accessory organ of the digestive tract?

Accepted Answer

A)  pharynx 
B)  stomach 
C)  liver 
D)  large intestine 
A)  pharynx 
B)  stomach 
C)  liver 
D)  large intestine

Question 7

Emulsification

Accepted Answer

A)  converts small lipid droplets into larger droplets. 
B)  occurs in the gallbladder. 
C)  chemically digests lipids. 
D)  increases surface area for lipid digestion. 
E)  involves enzymes. 
A)  converts small lipid droplets into larger droplets. 
B)  occurs in the gallbladder. 
C)  chemically digests lipids. 
D)  increases surface area for lipid digestion. 
E)  involves enzymes.

Question 8

Match the cell type with its function.
-endocrine 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 9

Which is the correct order of the regions of the digestive tract from superior to inferior?

Accepted Answer

A)  pharynx, esophagus, large intestine, small intestine 
B)  oral cavity, stomach, small intestine, large intestine 
C)  stomach, esophagus, large intestine, small intestine 
D)  anus, large intestine, stomach, esophagus 
A)  pharynx, esophagus, large intestine, small intestine 
B)  oral cavity, stomach, small intestine, large intestine 
C)  stomach, esophagus, large intestine, small intestine 
D)  anus, large intestine, stomach, esophagus

Question 10

How much saliva is generally produced each day?

Accepted Answer

A)  ½ - 1 L 
B)  1 - 1½ L 
C)  2 - 3 L 
D)  4 - 5 L 
A)  ½ - 1 L 
B)  1 - 1½ L 
C)  2 - 3 L 
D)  4 - 5 L

Question 11

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 12

The pancreatic islets

Accepted Answer

A)  are found in the wall of the stomach. 
B)  excrete mucus. 
C)  produce digestive enzymes. 
D)  are exocrine glands. 
E)  are endocrine glands. 
A)  are found in the wall of the stomach. 
B)  excrete mucus. 
C)  produce digestive enzymes. 
D)  are exocrine glands. 
E)  are endocrine glands.

Question 13

-What does "B" represent on the diagram?

Accepted Answer

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

Question 14

Mastication

Accepted Answer

A)  increases the surface area of food particles. 
B)  decreases the efficiency of digestion. 
C)  occurs in both the mouth and stomach. 
D)  is never under voluntary control. 
E)  decreases the surface area of food particles. 
A)  increases the surface area of food particles. 
B)  decreases the efficiency of digestion. 
C)  occurs in both the mouth and stomach. 
D)  is never under voluntary control. 
E)  decreases the surface area of food particles.

Question 15

What is the purpose of segmental contractions of the small intestine?

Accepted Answer

A)  propelling the chyme forward 
B)  mixing of intestinal contents 
C)  moving intestinal contents into the colon 
D)  stretching the intestinal wall 
A)  propelling the chyme forward 
B)  mixing of intestinal contents 
C)  moving intestinal contents into the colon 
D)  stretching the intestinal wall

Question 16

What moves the bolus during the esophageal phase of deglutition?

Accepted Answer

A)  pharyngeal constriction 
B)  peristalsis 
C)  the tongue 
D)  segmentation 
A)  pharyngeal constriction 
B)  peristalsis 
C)  the tongue 
D)  segmentation

Question 17

Which of the following attaches the liver to the anterior abdominal wall?

Accepted Answer

A)  greater omentum 
B)  lesser omentum 
C)  transverse mesocolon 
D)  falciform ligament 
E)  round ligament 
A)  greater omentum 
B)  lesser omentum 
C)  transverse mesocolon 
D)  falciform ligament 
E)  round ligament

Question 18

The muscularis layer in the wall of the digestive tract is

Accepted Answer

A)  skeletal muscle throughout the tract, especially in the large intestine. 
B)  the layer of the digestive tract wall that contains capillaries. 
C)  in direct contact with the food that is consumed. 
D)  composed of a layer of circular smooth muscle fibers and a layer of longitudinal smooth muscle fibers. 
E)  connective tissue and the peritoneum. 
A)  skeletal muscle throughout the tract, especially in the large intestine. 
B)  the layer of the digestive tract wall that contains capillaries. 
C)  in direct contact with the food that is consumed. 
D)  composed of a layer of circular smooth muscle fibers and a layer of longitudinal smooth muscle fibers. 
E)  connective tissue and the peritoneum.

Question 19

Match the process or term with the best description.
-Kupffer cells

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 20

Assume we could alter the conditions in the duodenum. If we inserted a large volume of highly acidic chyme which contained a large amount of fat, which of the following responses are consistent with that? (1) decreased gastric acid secretion
(2) increased bile production
(3) increased pancreatic bicarbonate production and pancreatic enzyme secretion
(4) increased secretin and cholecystokinin

Accepted Answer

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

Exam 24: Digestive System

Which of the following would stimulate gastric secretion?

Which of the following organs is part of the digestive tract or alimentary canal?

Match the organ with the function. -duodenum

-The diagram illustrates the anatomy of the stomach. What does "A" represent?

Which of the following is NOT a function of the small intestine?

Which of the following is an accessory organ of the digestive tract?

Emulsification

Match the cell type with its function. -endocrine cells

Which is the correct order of the regions of the digestive tract from superior to inferior?

How much saliva is generally produced each day?

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

The pancreatic islets

-What does "B" represent on the diagram?

Mastication

What is the purpose of segmental contractions of the small intestine?

What moves the bolus during the esophageal phase of deglutition?

Which of the following attaches the liver to the anterior abdominal wall?

The muscularis layer in the wall of the digestive tract is

Match the process or term with the best description. -Kupffer cells

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, Electrolytes, and Acidbase Balance

Reproductive System

Development, Growth, Aging, and Genetics

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