Question 1

The hepatic portal system is composed of blood vessels that bring _________.

Accepted Answer

A)  nutrient-rich blood to the liver for processing 
B)  oxygen-rich blood to the liver 
C)  oxygen-poor blood away from the liver 
D)  bile to the small intestine 
A)  nutrient-rich blood to the liver for processing 
B)  oxygen-rich blood to the liver 
C)  oxygen-poor blood away from the liver 
D)  bile to the small intestine A

Question 2

Where is pepsin produced?

Accepted Answer

A)  Salivary glands 
B)  Stomach 
C)  Liver 
D)  Pancreas 
A)  Salivary glands 
B)  Stomach 
C)  Liver 
D)  Pancreas B

Question 3

Most digestion and absorption occurs in the:

Accepted Answer

A)  oral cavity. 
B)  esophagus. 
C)  stomach. 
D)  small intestine. 
A)  oral cavity. 
B)  esophagus. 
C)  stomach. 
D)  small intestine. D

Question 4

What is the purpose of mixing waves in the stomach?

Accepted Answer

A)  Stimulation of small intestine 
B)  Initiation of the ejection of digestive enzymes 
C)  Mixing gastric juices with bolus 
D)  Reverse peristalsis 
A)  Stimulation of small intestine 
B)  Initiation of the ejection of digestive enzymes 
C)  Mixing gastric juices with bolus 
D)  Reverse peristalsis

Question 5

If we don't eat, we can break down glycogen and convert fats and proteins into glucose to maintain blood sugar levels.

Accepted Answer

A) True 
 B)False

Question 6

What kind of enzyme is shown in this picture?

Accepted Answer

A)  Hepatocyte 
B)  Synthatase 
C)  Hydrolase 
D)  Synthase 
A)  Hepatocyte 
B)  Synthatase 
C)  Hydrolase 
D)  Synthase

Question 7

The intestinal phase of gastric digestion begins when chyme starts to leave the stomach through the pyloric sphincter.

Accepted Answer

A) True 
 B)False

Question 8

What is the function of structure C?

Accepted Answer

A)  Absorption of lipids 
B)  Production of saliva 
C)  Production of enzymes necessary for digestion 
D)  Digestion and absorption of water 
A)  Absorption of lipids 
B)  Production of saliva 
C)  Production of enzymes necessary for digestion 
D)  Digestion and absorption of water

Question 9

The first part of the small intestine is called the ______________.

Accepted Answer

The answer of The first part of the small intestine...

Question 10

What is the function of salivary amylase?

Accepted Answer

A)  Digest lipids 
B)  Digest starch 
C)  Digest sucrose 
D)  Digest protein 
A)  Digest lipids 
B)  Digest starch 
C)  Digest sucrose 
D)  Digest protein

Question 11

What is a hydrolase?

Accepted Answer

A)  An enzyme that digests water. 
B)  A cell that makes hydrochloric acid. 
C)  An enzyme that digests polymers by inserting water molecules between monomers. 
D)  A cell that absorbs water in the colon. 
A)  An enzyme that digests water. 
B)  A cell that makes hydrochloric acid. 
C)  An enzyme that digests polymers by inserting water molecules between monomers. 
D)  A cell that absorbs water in the colon.

Question 12

With what digestive organ are these structures associated?

Accepted Answer

A)  Tongue 
B)  Liver 
C)  Small intestine 
D)  Pancreas 
A)  Tongue 
B)  Liver 
C)  Small intestine 
D)  Pancreas

Question 13

What is the function of the large intestine?

Accepted Answer

The large intestine functions

Question 14

Where does peristalsis start during deglutition?

Accepted Answer

A)  Mouth 
B)  Pharynx 
C)  Esophagus 
D)  Stomach 
A)  Mouth 
B)  Pharynx 
C)  Esophagus 
D)  Stomach

Question 15

Mechanical digestion alters chemical bonds.

Accepted Answer

A) True 
 B)False

Question 16

What are the five basic processes of the digestive system?

Accepted Answer

1. Ingestion: Foods and liquid are taken

Question 17

What is the name of the process pictured here?

Accepted Answer

A)  Digestion 
B)  Absorption 
C)  Peristalsis 
D)  Maceration 
A)  Digestion 
B)  Absorption 
C)  Peristalsis 
D)  Maceration

Question 18

What is the purpose of the acidic conditions of the stomach?

Accepted Answer

A)  It is necessary to absorb vitamin B12. 
B)  The acid digests the protein. 
C)  It activates pepsin and kills microbes. 
D)  The acid creates small holes called gastric pits, which release the digestive enzymes of the stomach. 
A)  It is necessary to absorb vitamin B12. 
B)  The acid digests the protein. 
C)  It activates pepsin and kills microbes. 
D)  The acid creates small holes called gastric pits, which release the digestive enzymes of the stomach.

Question 19

The function of Peyers patches is the:

Accepted Answer

A)  production of digestive enzymes. 
B)  protection from pathogens. 
C)  absorption of fats. 
D)  production of hormones. 
A)  production of digestive enzymes. 
B)  protection from pathogens. 
C)  absorption of fats. 
D)  production of hormones.

Question 20

What happens when blood glucose levels drop?

Accepted Answer

When blood glucose levels drop we experi

Exam 16: The Digestive System

The hepatic portal system is composed of blood vessels that bring _________.

Where is pepsin produced?

Most digestion and absorption occurs in the:

What is the purpose of mixing waves in the stomach?

If we don't eat, we can break down glycogen and convert fats and proteins into glucose to maintain blood sugar levels.

What kind of enzyme is shown in this picture?

The intestinal phase of gastric digestion begins when chyme starts to leave the stomach through the pyloric sphincter.

What is the function of structure C?

The first part of the small intestine is called the ______________.

What is the function of salivary amylase?

What is a hydrolase?

With what digestive organ are these structures associated?

What is the function of the large intestine?

Where does peristalsis start during deglutition?

Mechanical digestion alters chemical bonds.

What are the five basic processes of the digestive system?

What is the name of the process pictured here?

What is the purpose of the acidic conditions of the stomach?

The function of Peyers patches is the:

What happens when blood glucose levels drop?

What Is Life

Where Do We Come From and Where Do We Fit

Everyday Chemistry of Life

Cells: Organization and Communication

Tissues

The Skeletomuscular System

The Nervous System

The Special Senses

Immunity and the Lymphatic System

Infectious Disease and Epidemiology

The Human Microbiome

Cancer

The Cardiovascular System

The Respiratory System: Movement of Air

Nutrition: You Are What You Eat

The Urinary System

The Endocrine System and Development

The Reproductive Systems: Maintaining the Species

Pregnancy: Development From Conception to Newborn

Inheritance, Genetics, and Molecular Biology

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