Question 1

The main bile pigment is ____________________,which results from the breakdown of ____________________.

Accepted Answer

bilirubin,hemoglobin

Question 2

When a tooth is injured,which of the following cannot regenerate?

Accepted Answer

A)  Dentin 
B)  Cementum 
C)  Enamel 
D)  Gingiva 
A)  Dentin 
B)  Cementum 
C)  Enamel 
D)  Gingiva C

Question 3

The soft palate consists of

Accepted Answer

A)  bone. 
B)  bone and cartilage. 
C)  skeletal muscle. 
D)  skeletal muscle and cartilage. 
A)  bone. 
B)  bone and cartilage. 
C)  skeletal muscle. 
D)  skeletal muscle and cartilage. C

Question 4

Which of the following enzymes digest(s)carbohydrates?

Accepted Answer

A)  Amylase,sucrase,and lactase 
B)  Trypsin and chymotrypsin 
C)  Lipase 
D)  Peptidases 
A)  Amylase,sucrase,and lactase 
B)  Trypsin and chymotrypsin 
C)  Lipase 
D)  Peptidases

Question 5

The body's largest gland is the ____________________.

Accepted Answer

The answer of The body's largest gland is the ____________________....

Question 6

Which of the following does not produce digestive enzymes?

Accepted Answer

A)  Salivary glands 
B)  Stomach 
C)  Liver 
D)  Small intestine 
A)  Salivary glands 
B)  Stomach 
C)  Liver 
D)  Small intestine

Question 7

Blood filters through which liver structure to remove nutrients,toxins,and hormones?

Accepted Answer

A)  Canaliculi 
B)  Sinusoids 
C)  Hepatocytes 
D)  Lobules 
A)  Canaliculi 
B)  Sinusoids 
C)  Hepatocytes 
D)  Lobules

Question 8

What purpose is served by the numerous folds and millions of microscopic projections in the jejunum?

Accepted Answer

A)  They increase peristalsis to allow for better movement through the intestine. 
B)  They increase the surface area to allow for greater absorption. 
C)  They secrete bile to facilitate digestion. 
D)  They release substances to neutralize stomach acid. 
A)  They increase peristalsis to allow for better movement through the intestine. 
B)  They increase the surface area to allow for greater absorption. 
C)  They secrete bile to facilitate digestion. 
D)  They release substances to neutralize stomach acid.

Question 9

The semifluid mixture that leaves the stomach and enters the duodenum is called ____________________.

Accepted Answer

The answer of The semifluid mixture that leaves the stomach...

Question 10

What is one purpose of the mesenteries?

Accepted Answer

A)  They completely immobilize the stomach and intestines. 
B)  They secrete digestive enzymes. 
C)  They pad the digestive organs,protecting them from trauma. 
D)  Portions of the mesenteries help localize infection. 
A)  They completely immobilize the stomach and intestines. 
B)  They secrete digestive enzymes. 
C)  They pad the digestive organs,protecting them from trauma. 
D)  Portions of the mesenteries help localize infection.

Question 11

What is the main component of saliva?

Accepted Answer

A)  Water 
B)  Digestive enzymes 
C)  Electrolytes 
D)  Antibacterial compounds 
A)  Water 
B)  Digestive enzymes 
C)  Electrolytes 
D)  Antibacterial compounds

Question 12

A patient is admitted to the hospital with a vitamin B12 deficiency.One possible cause could be a lack of which of the following components of gastric juice?

Accepted Answer

A)  Mucus 
B)  Hydrochloric acid 
C)  Ghrelin 
D)  Intrinsic factor 
A)  Mucus 
B)  Hydrochloric acid 
C)  Ghrelin 
D)  Intrinsic factor

Question 13

What is a major function of the large intestine?

Accepted Answer

A)  Regulates the release of bile 
B)  Absorbs nutrients 
C)  Removes waste 
D)  Secretes digestive enzymes 
A)  Regulates the release of bile 
B)  Absorbs nutrients 
C)  Removes waste 
D)  Secretes digestive enzymes

Question 14

Which organ is considered to be an accessory organ to the digestive system?

Accepted Answer

A)  Mouth 
B)  Gallbladder 
C)  Stomach 
D)  Small intestines 
A)  Mouth 
B)  Gallbladder 
C)  Stomach 
D)  Small intestines

Question 15

What is the primary function of the stomach?

Accepted Answer

A)  Digest food 
B)  Prepare food for digestion by breaking it into smaller pieces 
C)  Store food 
D)  Moisten food to create a bolus 
A)  Digest food 
B)  Prepare food for digestion by breaking it into smaller pieces 
C)  Store food 
D)  Moisten food to create a bolus

Question 16

Which of the following correctly describes the hormone cholecystokinin (CCK)?

Accepted Answer

A)  It is secreted by the stomach to trigger gallbladder contraction and pancreatic secretion. 
B)  It is secreted by the duodenum to cause the bile and pancreatic ducts to release bicarbonate. 
C)  It is secreted by acinar cells in the pancreas and helps break down lipids,proteins,and carbohydrates. 
D)  It is secreted by the duodenum to cause gallbladder contraction and the release of pancreatic enzymes. 
A)  It is secreted by the stomach to trigger gallbladder contraction and pancreatic secretion. 
B)  It is secreted by the duodenum to cause the bile and pancreatic ducts to release bicarbonate. 
C)  It is secreted by acinar cells in the pancreas and helps break down lipids,proteins,and carbohydrates. 
D)  It is secreted by the duodenum to cause gallbladder contraction and the release of pancreatic enzymes.

Question 17

Digestion begins in the

Accepted Answer

A)  stomach. 
B)  mouth. 
C)  small intestine. 
D)  large intestine. 
A)  stomach. 
B)  mouth. 
C)  small intestine. 
D)  large intestine.

Question 18

The process of chewing is called ____________________.

Accepted Answer

The answer of The process of chewing is called ____________________....

Question 19

Clusters of lymphatic nodules called ____________________ are scattered throughout the ileum.

Accepted Answer

The answer of Clusters of lymphatic nodules called ____________________ are...

Question 20

Which layer of the digestive tract contains glands,blood vessels,lymphatic vessels,and nerves?

Accepted Answer

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

Exam 20: Digestive System

The main bile pigment is ____________________,which results from the breakdown of ____________________.

When a tooth is injured,which of the following cannot regenerate?

The soft palate consists of

Which of the following enzymes digest(s)carbohydrates?

The body's largest gland is the ____________________.

Which of the following does not produce digestive enzymes?

Blood filters through which liver structure to remove nutrients,toxins,and hormones?

What purpose is served by the numerous folds and millions of microscopic projections in the jejunum?

The semifluid mixture that leaves the stomach and enters the duodenum is called ____________________.

What is one purpose of the mesenteries?

What is the main component of saliva?

A patient is admitted to the hospital with a vitamin B12 deficiency.One possible cause could be a lack of which of the following components of gastric juice?

What is a major function of the large intestine?

Which organ is considered to be an accessory organ to the digestive system?

What is the primary function of the stomach?

Which of the following correctly describes the hormone cholecystokinin (CCK)?

Digestion begins in the

The process of chewing is called ____________________.

Clusters of lymphatic nodules called ____________________ are scattered throughout the ileum.

Which layer of the digestive tract contains glands,blood vessels,lymphatic vessels,and nerves?

Orientation to the Human Body

Chemistry of Life

Cells

Tissues

Integumentary System

Bones Bone Tissue

Skeletal System

Joints

Muscular System

Nervous System

Sense Organs

Endocrine System

Blood

Heart

Vascular System

Lymphatic Immune Systems

Respiratory System

Urinary System

Fluid,electrolyte Acid-Base Balance

Nutrition Metabolism

Human Microbiome

Reproductive Systems

Pregnancy Human Development

Heredity

Filters

The main bile pigment is ,which results from the breakdown of .

A patient is admitted to the hospital with a vitamin B₁₂ deficiency.One possible cause could be a lack of which of the following components of gastric juice?