Question 1

Fatty acids and certain lipids in the duodenum initiate the release of

Accepted Answer

A)  secretin and gastrin. 
B)  cholecystokinin (CCK). 
C)  gastrin and histamine. 
D)  somatostatin and CCK. 
E)  insulin and glucagon. 
A)  secretin and gastrin. 
B)  cholecystokinin (CCK). 
C)  gastrin and histamine. 
D)  somatostatin and CCK. 
E)  insulin and glucagon.

Question 2

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 3

Which of the following lipoproteins contains the highest percentage of cholesterol?

Accepted Answer

A)  LDL 
B)  HDL 
C)  VLDL 
D)  chylomicron 
E)  CDL 
A)  LDL 
B)  HDL 
C)  VLDL 
D)  chylomicron 
E)  CDL

Question 4

Match the mesenteries or membranes with its appropriate description.
-transverse mesocolon

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 5

What is the function of enteric sensory neurons?

Accepted Answer

A)  detect changes in chemical composition of digestive tract contents 
B)  stimulate or inhibit smooth muscle contraction in the digestive tract 
C)  stimulate or inhibit glandular secretion in the digestive tract 
D)  detect stretch of the digestive tract wall 
E)  detect changes in chemical composition of digestive tract contents and detect stretch of the digestive tract wall 
A)  detect changes in chemical composition of digestive tract contents 
B)  stimulate or inhibit smooth muscle contraction in the digestive tract 
C)  stimulate or inhibit glandular secretion in the digestive tract 
D)  detect stretch of the digestive tract wall 
E)  detect changes in chemical composition of digestive tract contents and detect stretch of the digestive tract wall

Question 6

Which of the following enzymes is found in inactive form in pancreatic juice?

Accepted Answer

A)  bile 
B)  trypsin 
C)  sucrase 
D)  pepsin 
E)  lipase 
A)  bile 
B)  trypsin 
C)  sucrase 
D)  pepsin 
E)  lipase

Question 7

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 8

Functions of the liver include

Accepted Answer

A)  production of many blood proteins. 
B)  interconversion of nutrients. 
C)  detoxification of harmful chemicals. 
D)  bile production. 
E)  All of these are functions of the liver. 
A)  production of many blood proteins. 
B)  interconversion of nutrients. 
C)  detoxification of harmful chemicals. 
D)  bile production. 
E)  All of these are functions of the liver.

Question 9

A cell needs a receptor in order to absorb LDL's. A disease that interferes with the functioning of these LDL receptors would

Accepted Answer

A)  increase serum cholesterol levels. 
B)  decrease serum cholesterol levels. 
C)  halt endocytosis. 
D)  promote endocytosis. 
E)  have no effect on serum cholesterol or endocytosis. 
A)  increase serum cholesterol levels. 
B)  decrease serum cholesterol levels. 
C)  halt endocytosis. 
D)  promote endocytosis. 
E)  have no effect on serum cholesterol or endocytosis.

Question 10

Which layer of the small intestine wall contains cells with microvilli?

Accepted Answer

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

Question 11

The lips, cheek, and tongue all aid in

Accepted Answer

A)  speech and swallowing. 
B)  mastication, speech, and swallowing. 
C)  mastication and swallowing. 
D)  mastication and sense of taste. 
E)  deglutition and peristalsis. 
A)  speech and swallowing. 
B)  mastication, speech, and swallowing. 
C)  mastication and swallowing. 
D)  mastication and sense of taste. 
E)  deglutition and peristalsis.

Question 12

Match the secretion with the correct cell type.
-bile

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 13

Insulin increases the rate of _____ transport into cells.

Accepted Answer

A)  sucrose 
B)  fructose 
C)  glucose 
D)  galactose 
E)  lactose 
A)  sucrose 
B)  fructose 
C)  glucose 
D)  galactose 
E)  lactose

Question 14

Which layer of the digestive tract is in direct contact with the food consumed?

Accepted Answer

A)  mucosa 
B)  muscularis 
C)  submucosa 
D)  serosa 
E)  peritoneum 
A)  mucosa 
B)  muscularis 
C)  submucosa 
D)  serosa 
E)  peritoneum

Question 15

Match the organ with the appropriate function.
-gallbladder

Accepted Answer

A) secretion of saliva 
B) manipulation of food 
C) swallowing 
D) storage of bile 
E) protection of small intestinal wall 
A) secretion of saliva 
B) manipulation of food 
C) swallowing 
D) storage of bile 
E) protection of small intestinal wall

Question 16

Most of the water that enters that digestive tract is removed by the body in urine.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is NOT a type of propulsion in the digestive tract?

Accepted Answer

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

Question 18

Food in the stomach is squeezed and mixed with gastric juices, forming a semiliquid called

Accepted Answer

A)  bolusin. 
B)  chyme. 
C)  bile. 
D)  phlegm. 
E)  feces. 
A)  bolusin. 
B)  chyme. 
C)  bile. 
D)  phlegm. 
E)  feces.

Question 19

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 20

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

Exam 24: Digestive System

Fatty acids and certain lipids in the duodenum initiate the release of

Mastication

Which of the following lipoproteins contains the highest percentage of cholesterol?

Match the mesenteries or membranes with its appropriate description. -transverse mesocolon

What is the function of enteric sensory neurons?

Which of the following enzymes is found in inactive form in pancreatic juice?

How much saliva is generally produced each day?

Functions of the liver include

A cell needs a receptor in order to absorb LDL's. A disease that interferes with the functioning of these LDL receptors would

Which layer of the small intestine wall contains cells with microvilli?

The lips, cheek, and tongue all aid in

Match the secretion with the correct cell type. -bile

Insulin increases the rate of _____ transport into cells.

Which layer of the digestive tract is in direct contact with the food consumed?

Match the organ with the appropriate function. -gallbladder

Most of the water that enters that digestive tract is removed by the body in urine.

Which of the following is NOT a type of propulsion in the digestive tract?

Food in the stomach is squeezed and mixed with gastric juices, forming a semiliquid called

Match the cell type with its function. -endocrine cells

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

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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