Question 1

What has to emulsify lipids before they can be hydrolyzed?

Accepted Answer

A) Hydrochloric acid 
B) Bile 
C) Lipase 
D) Protease 
A) Hydrochloric acid 
B) Bile 
C) Lipase 
D) Protease

Question 2

What is litmus cream?

Accepted Answer

A) Mix of litmus powder and fresh cream 
B) Mix of lime juice and litmus paper 
C) Litmus paper dissolved in deionized water 
D) Litmus powder dissolved in deionized water 
A) Mix of litmus powder and fresh cream 
B) Mix of lime juice and litmus paper 
C) Litmus paper dissolved in deionized water 
D) Litmus powder dissolved in deionized water

Question 3

How do amino acids get to the liver for processing?

Accepted Answer

A) Via the hepatic vein 
B) Via the hepatic portal vein 
C) Via the hepatic artery 
D) Via the splenic vein 
A) Via the hepatic vein 
B) Via the hepatic portal vein 
C) Via the hepatic artery 
D) Via the splenic vein

Question 4

What does Lugol's iodine solution test for when analyzing amylase activity?

Accepted Answer

A) Presence of starch 
B) Presence of sugars 
C) Presence of protein 
D) Presence of lipids 
A) Presence of starch 
B) Presence of sugars 
C) Presence of protein 
D) Presence of lipids

Question 5

Where does the chemical digestion of proteins begin?

Accepted Answer

A) Mouth 
B) Liver 
C) Stomach 
D) Small intestine 
A) Mouth 
B) Liver 
C) Stomach 
D) Small intestine

Question 6

What is the optimal pH level for pepsin activity?

Accepted Answer

A) 3-4 
B) 10-13 
C) 1-3 
D) 7 
A) 3-4 
B) 10-13 
C) 1-3 
D) 7

Question 7

When analyzing amylase activity in the lab, how is the amylase denatured?

Accepted Answer

A) By mixing it with hydrochloric acid 
B) By mixing it with alcohol 
C) By freezing it 
D) By boiling it 
A) By mixing it with hydrochloric acid 
B) By mixing it with alcohol 
C) By freezing it 
D) By boiling it

Question 8

Where does chemical digestion of proteins begin?

Accepted Answer

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

Question 9

What does Biuret reagent test for when analyzing pepsin activity?

Accepted Answer

A) Presence of alcohol sugars 
B) Presence of nucleotides 
C) Products of emulsification 
D) Products of protein digestion 
A) Presence of alcohol sugars 
B) Presence of nucleotides 
C) Products of emulsification 
D) Products of protein digestion

Question 10

What are the buildings blocks of triglycerides (neutral fats)?

Accepted Answer

A) Amino acids and nucleotides 
B) Diglycerides and alcohols 
C) Nucleotides and fatty acids 
D) Monoglycerides and fatty acids 
A) Amino acids and nucleotides 
B) Diglycerides and alcohols 
C) Nucleotides and fatty acids 
D) Monoglycerides and fatty acids

Question 11

Which of the following includes all the others?

Accepted Answer

A) Triglyceride 
B) Fatty acid 
C) Glycerol 
D) Lipase 
A) Triglyceride 
B) Fatty acid 
C) Glycerol 
D) Lipase

Question 12

Which is not a source of amylase?

Accepted Answer

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

Question 13

What are the sources of amylase?

Accepted Answer

A) Liver, gallbladder, and mouth 
B) Mouth, small intestine, and pancreas 
C) Pancreas, liver, and gallbladder 
D) Mouth, liver, and pancreas 
A) Liver, gallbladder, and mouth 
B) Mouth, small intestine, and pancreas 
C) Pancreas, liver, and gallbladder 
D) Mouth, liver, and pancreas

Exam 28: Physiology of the Digestive System

What has to emulsify lipids before they can be hydrolyzed?

What is litmus cream?

How do amino acids get to the liver for processing?

What does Lugol's iodine solution test for when analyzing amylase activity?

Where does the chemical digestion of proteins begin?

What is the optimal pH level for pepsin activity?

When analyzing amylase activity in the lab, how is the amylase denatured?

Where does chemical digestion of proteins begin?

What does Biuret reagent test for when analyzing pepsin activity?

What are the buildings blocks of triglycerides (neutral fats)?

Which of the following includes all the others?

Which is not a source of amylase?

What are the sources of amylase?

Introduction to Anatomy and Physiology

Introduction to the Organ Systems

Chemistry

The Microscope

The Cell

Histology

The Integumentary System

Introduction to the Skeletal System

The Axial Skeleton

The Appendicular Skeleton

Joints

Introduction to the Muscular System: Muscle Tissue

Gross Anatomy of the Muscular System

Introduction to the Nervous System

The Central Nervous System: Brain and Spinal Cord

The Peripheral Nervous System: Nerves and Autonomic Nervous System

General and Special Senses

The Endocrine System

Blood

Anatomy of the Heart

Physiology of the Heart

Anatomy of Blood Vessels

Circulatory Pathways and the Physiology of Blood Vessels

The Lymphatic System

Anatomy of the Respiratory System

Physiology of the Respiratory System

Anatomy of the Digestive System

Anatomy of the Urinary System

Physiology of the Urinary System

Reproductive and Development

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