Question 1

The hormone that helps to regulate the level of sodium ions in the blood is _____.

Accepted Answer

A)  aldosterone 
B)  vasopressin 
C)  insulin 
D)  progesterone 
A)  aldosterone 
B)  vasopressin 
C)  insulin 
D)  progesterone

Question 2

The region enclosed in the box in the following structure represents the sphingosine portion of the molecule.

Accepted Answer

A) True 
 B)False

Question 3

A lipid is hydrolyzed to form a mixture of fatty acids,glycerol and phosphate as the products.The lipid would be classified as ______.

Accepted Answer

A)  simple 
B)  complex 
C)  nonsaponifiable 
D)  miscellaneous 
A)  simple 
B)  complex 
C)  nonsaponifiable 
D)  miscellaneous

Question 4

The main function of bile salts is to

Accepted Answer

A)  stimulate the absorption of minerals through the intestinal wall. 
B)  emulsify lipids in the digestive tract. 
C)  provide a pathway for lowering cholesterol levels. 
D)  serve as hormonal agents in the digestive process. 
A)  stimulate the absorption of minerals through the intestinal wall. 
B)  emulsify lipids in the digestive tract. 
C)  provide a pathway for lowering cholesterol levels. 
D)  serve as hormonal agents in the digestive process.

Question 5

If a vegetable oil is completely hydrogenated,the product is a solid rather than a liquid.

Accepted Answer

A) True 
 B)False

Question 6

The following substance would be classified as an omega-3 fatty acid.
CH3(CH2)4(CH=CHCH2)4(CH2)2COOH

Accepted Answer

A) True 
 B)False

Question 7

The pancreas produces cortisone.

Accepted Answer

A) True 
 B)False

Question 8

This molecule is a triester of glycerol in which all three alcohol groups are esterified.

Accepted Answer

A)  phosphoglyceride 
B)  micelle 
C)  phospholipid 
D)  triglyceride 
A)  phosphoglyceride 
B)  micelle 
C)  phospholipid 
D)  triglyceride

Question 9

Glycolipids are abundant in which tissue?

Accepted Answer

A)  muscle 
B)  brain 
C)  heart 
D)  liver 
A)  muscle 
B)  brain 
C)  heart 
D)  liver

Question 10

The glycolipids are different from the other lipids because they are found exclusively in the liver.

Accepted Answer

A) True 
 B)False

Question 11

Tay-Sachs disease,an abnormal accumulation of glycolipid,affects the spleen.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following components is present in a cephalin?

Accepted Answer

A)  choline 
B)  galactose 
C)  serine 
D)  sphingomyelin 
A)  choline 
B)  galactose 
C)  serine 
D)  sphingomyelin

Question 13

An example of a simple lipid is a _____.

Accepted Answer

A)  wax 
B)  terpene 
C)  steroid 
D)  phospholipid 
A)  wax 
B)  terpene 
C)  steroid 
D)  phospholipid

Question 14

How many moles of hydrogen would be need to completely hydrogenate two moles of arachidonic acid (shown below)in the presence of a Ni catalyst?
CH3(CH2)4(CH=CH2)4(CH2)2COOH

Accepted Answer

A)  1 mole H2 
B)  4 moles H2 
C)  2 moles H2 
D)  8 moles H2 
A)  1 mole H2 
B)  4 moles H2 
C)  2 moles H2 
D)  8 moles H2

Question 15

Which of the following hormones is an anabolic steroid?

Accepted Answer

A)  estrogen 
B)  testosterone 
C)  progesterone 
D)  estradoil 
A)  estrogen 
B)  testosterone 
C)  progesterone 
D)  estradoil

Question 16

Which lipoprotein is associated with the term 'good cholesterol'?

Accepted Answer

A)  chylomicron 
B)  VLDL 
C)  LDL 
D)  HDL 
A)  chylomicron 
B)  VLDL 
C)  LDL 
D)  HDL

Question 17

Triglycerides are examples of simple lipids.

Accepted Answer

A) True 
 B)False

Question 18

The structure below would be correctly be classified as a(n)______.

Accepted Answer

A)  sphingolipid 
B)  phosphoglyceride 
C)  cephalin 
D)  Sphingolipid 
A)  sphingolipid 
B)  phosphoglyceride 
C)  cephalin 
D)  Sphingolipid

Question 19

How would the following structure be best classified?

Accepted Answer

A)  fatty acid 
B)  wax 
C)  prostaglandin 
D)  sphingolipid 
A)  fatty acid 
B)  wax 
C)  prostaglandin 
D)  sphingolipid

Question 20

What type of compound is the second product in the reaction shown below?

Accepted Answer

A)  fatty acid salt 
B)  ester 
C)  alcohol 
D)  fatty acid 
A)  fatty acid salt 
B)  ester 
C)  alcohol 
D)  fatty acid

Exam 18: Lipids

The hormone that helps to regulate the level of sodium ions in the blood is _____.

The region enclosed in the box in the following structure represents the sphingosine portion of the molecule.

A lipid is hydrolyzed to form a mixture of fatty acids,glycerol and phosphate as the products.The lipid would be classified as ______.

The main function of bile salts is to

If a vegetable oil is completely hydrogenated,the product is a solid rather than a liquid.

The following substance would be classified as an omega-3 fatty acid. CH3(CH2)4(CH=CHCH2)4(CH2)2COOH

The pancreas produces cortisone.

This molecule is a triester of glycerol in which all three alcohol groups are esterified.

Glycolipids are abundant in which tissue?

The glycolipids are different from the other lipids because they are found exclusively in the liver.

Tay-Sachs disease,an abnormal accumulation of glycolipid,affects the spleen.

Which of the following components is present in a cephalin?

An example of a simple lipid is a _____.

How many moles of hydrogen would be need to completely hydrogenate two moles of arachidonic acid (shown below)in the presence of a Ni catalyst? CH3(CH2)4(CH=CH2)4(CH2)2COOH

Which of the following hormones is an anabolic steroid?

Which lipoprotein is associated with the term 'good cholesterol'?

Triglycerides are examples of simple lipids.

The structure below would be correctly be classified as a(n)______.

How would the following structure be best classified?

What type of compound is the second product in the reaction shown below?

Matter, measurements, and Calculations

Atoms and Molecules

Electronic Structure and the Periodic Law

Forces Between Particles

Chemical Reactions

The States of Matter

Solutions and Colloids

Reaction Rates and Equilibrium

Acids,bases,and Salts

Radioactivity and Nuclear Processes

Organic Compounds: Alkanes

Unsaturated Hydrocarbons

Alcohols, phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Esters

Amines and Amides

Carbohydrates

Proteins

Enzymes

Nucleic Acids and Protein Synthesis

Nutrition and Energy for Life

Carbohydrate Metabolism

Lipid and Amino Acid Metabolism

Body Fluids

Filters

The following substance would be classified as an omega-3 fatty acid. CH₃(CH₂)₄(CH=CHCH₂)₄(CH₂)₂COOH

How many moles of hydrogen would be need to completely hydrogenate two moles of arachidonic acid (shown below)in the presence of a Ni catalyst? CH₃(CH₂)₄(CH=CH₂)₄(CH₂)₂COOH