Question 1

Which of the following is NOT one of the ketone bodies produced in ketogenesis?

Accepted Answer

A) β-hydroxybutyrate 
B) acetone 
C) sodium acetate 
D) acetoacetate 
E) All of the choices are ketone bodies. 
A) β-hydroxybutyrate 
B) acetone 
C) sodium acetate 
D) acetoacetate 
E) All of the choices are ketone bodies.

Question 2

What condition leads to the production of ketone bodies from acetyl CoA?

Accepted Answer

A) low blood pH 
B) low supply of oxaloacetate in the citric acid cycle 
C) high levels of ATP 
D) high blood pH 
E) low supply of carnitine in β-oxidation 
A) low blood pH 
B) low supply of oxaloacetate in the citric acid cycle 
C) high levels of ATP 
D) high blood pH 
E) low supply of carnitine in β-oxidation

Question 3

Cholesterol is one component of human bile.

Accepted Answer

A) True 
 B)False

Question 4

Which one of the following is a "ketone body"?

Accepted Answer

A) pyruvate 
B) citrate 
C) oxaloacetate 
D) acetyl CoA 
E) acetoacetate 
A) pyruvate 
B) citrate 
C) oxaloacetate 
D) acetyl CoA 
E) acetoacetate

Question 5

Emulsification of dietary lipids produces a solution of fat in water.

Accepted Answer

A) True 
 B)False

Question 6

The third reaction in β-oxidation of fatty acids is shown below, and involves hydration of the double bond.What is the product of this reaction?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 7

Which statement concerning the steps in the digestion of dietary triglycerides is FALSE?

Accepted Answer

A) The digestion of triglycerides begins in the mouth with the aid of bile salts. 
B) Lipases hydrolyze triglycerides to fatty acids and monoglycerides in the small intestine. 
C) The monoglycerides and fatty acids reassemble in the membrane of the small intestine to form triglycerides. 
D) The triglycerides combine with proteins to form chylomicrons for transport to the lymphatic system and bloodstream. 
E) In the bloodstream, triglycerides are hydrolyzed to glycerol and three fatty acids that are then absorbed by the cells. 
A) The digestion of triglycerides begins in the mouth with the aid of bile salts. 
B) Lipases hydrolyze triglycerides to fatty acids and monoglycerides in the small intestine. 
C) The monoglycerides and fatty acids reassemble in the membrane of the small intestine to form triglycerides. 
D) The triglycerides combine with proteins to form chylomicrons for transport to the lymphatic system and bloodstream. 
E) In the bloodstream, triglycerides are hydrolyzed to glycerol and three fatty acids that are then absorbed by the cells.

Question 8

Uncontrolled diabetes mellitus can lead to the overproduction of ketone bodies, which can affect the acidity of the blood.This results in which of the following conditions?

Accepted Answer

A) alkalosis 
B) hypoxia 
C) ketoacidosis 
D) crenation 
E) cancer 
A) alkalosis 
B) hypoxia 
C) ketoacidosis 
D) crenation 
E) cancer

Question 9

The acetyl CoA that is metabolized in the morning before breakfast is mostly derived from the catabolism of what types of molecules?

Accepted Answer

A) proteins 
B) carbohydrates 
C) amino acids 
D) glycogen 
E) fatty acids 
A) proteins 
B) carbohydrates 
C) amino acids 
D) glycogen 
E) fatty acids

Question 10

Which of the following hormones is secreted by the α-cells of the islets of Langerhans in response to decreased blood glucose levels?

Accepted Answer

A) cortisone 
B) insulin 
C) glucagon 
D) adrenalin 
E) epinephrine 
A) cortisone 
B) insulin 
C) glucagon 
D) adrenalin 
E) epinephrine

Which of the following is NOT one of the ketone bodies produced in ketogenesis?

What condition leads to the production of ketone bodies from acetyl CoA?

Cholesterol is one component of human bile.

Which one of the following is a "ketone body"?

Emulsification of dietary lipids produces a solution of fat in water.

The third reaction in β-oxidation of fatty acids is shown below, and involves hydration of the double bond.What is the product of this reaction?

Which statement concerning the steps in the digestion of dietary triglycerides is FALSE?

Uncontrolled diabetes mellitus can lead to the overproduction of ketone bodies, which can affect the acidity of the blood.This results in which of the following conditions?

The acetyl CoA that is metabolized in the morning before breakfast is mostly derived from the catabolism of what types of molecules?

Which of the following hormones is secreted by the α-cells of the islets of Langerhans in response to decreased blood glucose levels?

Chemistry:methods and Measurement

The Structure of the Atom and the Periodic Table

Structure and Properties of Ionic and Covalent Compounds

Calculations, Chemical Changes, and the Chemical Equation

States of Matter- Gases, Liquids, and Solids

Solutions

Energy, Rate and Equilibrium

Acids and Bases

The Nucleus, Radioactivity, and Nuclear Medicine

An Introduction to Organic Chemistry- the Saturated Hydrocarbons

The Unsaturated Hydrocarbons- Alkenes, Alkynes, and Aromatics

Alcohols, Phenols, Thiols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Carboxylic Acid Derivatives

Amines and Amides

Carbohydrates

Lipids and Their Functions in Biochemical Systems

Protein Structure and Function

Enzymes

Introduction to Molecular Genetics

Carbohydrate Metabolism

Aerobic Respiration and Energy Production

Filters

Exam 23: Fatty Acid Metabolism

Which of the following is NOT one of the ketone bodies produced in ketogenesis?

What condition leads to the production of ketone bodies from acetyl CoA?

Cholesterol is one component of human bile.

Which one of the following is a "ketone body"?

Emulsification of dietary lipids produces a solution of fat in water.

The third reaction in β-oxidation of fatty acids is shown below, and involves hydration of the double bond.What is the product of this reaction?

Which statement concerning the steps in the digestion of dietary triglycerides is FALSE?

Uncontrolled diabetes mellitus can lead to the overproduction of ketone bodies, which can affect the acidity of the blood.This results in which of the following conditions?

The acetyl CoA that is metabolized in the morning before breakfast is mostly derived from the catabolism of what types of molecules?

Which of the following hormones is secreted by the α-cells of the islets of Langerhans in response to decreased blood glucose levels?

Chemistry:methods and Measurement

The Structure of the Atom and the Periodic Table

Structure and Properties of Ionic and Covalent Compounds

Calculations, Chemical Changes, and the Chemical Equation

States of Matter- Gases, Liquids, and Solids

Solutions

Energy, Rate and Equilibrium

Acids and Bases

The Nucleus, Radioactivity, and Nuclear Medicine

An Introduction to Organic Chemistry- the Saturated Hydrocarbons

The Unsaturated Hydrocarbons- Alkenes, Alkynes, and Aromatics

Alcohols, Phenols, Thiols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Carboxylic Acid Derivatives

Amines and Amides

Carbohydrates

Lipids and Their Functions in Biochemical Systems

Protein Structure and Function

Enzymes

Introduction to Molecular Genetics

Carbohydrate Metabolism

Aerobic Respiration and Energy Production

Filters