Question 1

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 2

The defecation reflex

Accepted Answer

A)  is stimulated by distention of the rectum. 
B)  inhibits further peristalsis in the rectum and lower colon. 
C)  constricts the internal anal sphincter. 
D)  lasts several hours. 
E)  None of the choices are correct. 
A)  is stimulated by distention of the rectum. 
B)  inhibits further peristalsis in the rectum and lower colon. 
C)  constricts the internal anal sphincter. 
D)  lasts several hours. 
E)  None of the choices are correct.

Question 3

Monosaccharides

Accepted Answer

A)  are emulsified before absorption. 
B)  are absorbed into lacteals. 
C)  use a symport process in their absorption. 
D)  need vitamin C to be absorbed. 
E)  cannot be absorbed. 
A)  are emulsified before absorption. 
B)  are absorbed into lacteals. 
C)  use a symport process in their absorption. 
D)  need vitamin C to be absorbed. 
E)  cannot be absorbed.

Question 4

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

Accepted Answer

A)  Mucous cells - produce intrinsic factor 
B)  Parietal cells - produce hydrochloric acid 
C)  Chief cells - produce mucus 
D)  Endocrine cells - produce enzymes 
E)  Chief cells - produce hormones 
A)  Mucous cells - produce intrinsic factor 
B)  Parietal cells - produce hydrochloric acid 
C)  Chief cells - produce mucus 
D)  Endocrine cells - produce enzymes 
E)  Chief cells - produce hormones

Question 5

Which digestive activity is NOT correctly matched to its location?

Accepted Answer

A)  Killing microorganisms with lysozyme - stomach 
B)  Digestion of carbohydrates - mouth 
C)  Absorption of nutrients - small intestine 
D)  Production of mucus - esophagus 
A)  Killing microorganisms with lysozyme - stomach 
B)  Digestion of carbohydrates - mouth 
C)  Absorption of nutrients - small intestine 
D)  Production of mucus - esophagus

Question 6

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

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 7

When intestinal chyme is highly concentrated,

Accepted Answer

A)  water moves by osmosis into the lumen of the small intestine. 
B)  water moves by osmosis from the intestinal lumen into the blood. 
C)  water moves by endocytosis from intestinal lumen into interstitial spaces. 
D)  water moves by exocytosis from interstitial spaces into the stomach. 
E)  water does not move. 
A)  water moves by osmosis into the lumen of the small intestine. 
B)  water moves by osmosis from the intestinal lumen into the blood. 
C)  water moves by endocytosis from intestinal lumen into interstitial spaces. 
D)  water moves by exocytosis from interstitial spaces into the stomach. 
E)  water does not move.

Question 8

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

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 9

Defecation following a meal is usually the result of

Accepted Answer

A)  mass movements stimulated by the gastrocolic and duodenocolic reflexes moving feces towards the rectum. 
B)  segmentation movements stimulated by the duodenocolic reflexes. 
C)  peristalsis in the small intestine initiated by entry of chyme into the duodenum. 
A)  mass movements stimulated by the gastrocolic and duodenocolic reflexes moving feces towards the rectum. 
B)  segmentation movements stimulated by the duodenocolic reflexes. 
C)  peristalsis in the small intestine initiated by entry of chyme into the duodenum.

Question 10

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

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

Match the mesentery or membrane with its appropriate description.
-Coronary ligament

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 12

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

Accepted Answer

A) True 
 B)False

Question 13

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 14

Which of the following enzymes digests protein?

Accepted Answer

A)  Bile 
B)  Pepsin 
C)  Isomaltose 
D)  Sucrase 
E)  Lipase 
A)  Bile 
B)  Pepsin 
C)  Isomaltose 
D)  Sucrase 
E)  Lipase

Question 15

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

Accepted Answer

A)  Mucosa 
B)  Muscularis 
C)  Submucosa 
D)  Serosa 
A)  Mucosa 
B)  Muscularis 
C)  Submucosa 
D)  Serosa

Question 16

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 17

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 18

Bile

Accepted Answer

A)  digests proteins in the small intestine. 
B)  emulsifies fats in the small intestine. 
C)  is made by the gallbladder and stored by the liver. 
D)  activates trypsin in the small intestine. 
E)  activates the pancreas. 
A)  digests proteins in the small intestine. 
B)  emulsifies fats in the small intestine. 
C)  is made by the gallbladder and stored by the liver. 
D)  activates trypsin in the small intestine. 
E)  activates the pancreas.

Question 19

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

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 20

Arrange the ducts in the order that bile would pass through them when moving from the bile canaliculi to the small intestine without being stored in the gallbladder.
(1) Common bile duct
(2) Common hepatic duct
(3) Cystic duct
(4) Left and right hepatic ducts

Accepted Answer

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

Exam 24: Digestive System

Insulin increases the rate of ________ transport into cells.

The defecation reflex

Monosaccharides

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

Which digestive activity is NOT correctly matched to its location?

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

When intestinal chyme is highly concentrated,

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

Defecation following a meal is usually the result of

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

Match the mesentery or membrane with its appropriate description. -Coronary ligament

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

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

Which of the following enzymes digests protein?

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

Match the function with its appropriate description. -Mastication

Pepsinogen

Bile

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

Arrange the ducts in the order that bile would pass through them when moving from the bile canaliculi to the small intestine without being stored in the gallbladder. (1) Common bile duct (2) Common hepatic duct (3) Cystic duct (4) Left and right hepatic ducts

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joint 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-Base Balance

Reproductive System

Development, Growth, Aging, and Genetics

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