MMSC 407 Exam 3 Review UPDATED
ACTUAL Questions and CORRECT
Answers
Which of the following lipids plays a major role in the formation of myelin sheaths in neurons?
A. Cholesterol
B. Triglycerides
C. Sphingolipids
D. Phosphatidylcholine - CORRECT ANSWER - C. Sphingolipids
In clinical diagnostics, elevated levels of which lipid are most strongly associated with atherosclerosis?
A. HDL cholesterol
B. Phospholipids
C. LDL cholesterol
D. Triglycerides - CORRECT ANSWER - C. LDL cholesterol
Lipids are essential in the body for all of the following EXCEPT:
A. Cell membrane structure
B. Hormone synthesis
C. Long-term energy storage
D. Enzyme catalysis - CORRECT ANSWER - D. Enzyme catalysis
Which of the following is classified as a simple lipid?
A. Triglyceride
B. Phospholipid
C. Cholesterol
D. Sphingolipid - CORRECT ANSWER - A. Triglyceride
,Compound lipids are characterized by the presence of:
A. Only carbon and hydrogen
B. Additional groups such as phosphate or carbohydrate
C. Single fatty acid chains only
D. Sterol rings - CORRECT ANSWER - B. Additional groups such as phosphate or carbohydrate
Which of the following best describes derived lipids?
A. Lipids that are hydrolyzed into fatty acids and alcohol
B. Lipids that contain nitrogen groups
C. Lipids obtained by hydrolysis of simple and compound lipids
D. Lipids that contain multiple double bonds - CORRECT ANSWER - C. Lipids obtained by
hydrolysis of simple and compound lipids
A lipid consisting of glycerol and three fatty acids is best classified as a:
A. Compound lipid
B. Derived lipid
C. Simple lipid
D. Steroid - CORRECT ANSWER - C. Simple lipid
Which of the following best describes saturated fatty acids?
A. Contain one or more double bonds
B. Have only single bonds between carbon atoms
C. Are liquid at room temperature
D. Are always essential in the human diet - CORRECT ANSWER - B. Have only single bonds
between carbon atoms
Linoleic acid is an example of a:
A. Saturated fatty acid
B. Polyunsaturated fatty acid
, C. Monounsaturated fatty acid
D. Trans fatty acid - CORRECT ANSWER - B. Polyunsaturated fatty acid
Which type of fatty acid has more than one double bond in its carbon chain?
A. Saturated fatty acid
B. Monounsaturated fatty acid
C. Polyunsaturated fatty acid
D. Trans fatty acid - CORRECT ANSWER - C. Polyunsaturated fatty acid
Trans fatty acids are formed primarily through:
A. Fermentation
B. Hydrogenation of unsaturated fats
C. Oxidation of cholesterol
D. Natural metabolic processes in the liver - CORRECT ANSWER - B. Hydrogenation of
unsaturated fats
Fatty acids can be classified by all the following criteria EXCEPT:
A. Number of carbon atoms
B. Presence and type of double bonds
C. Type of ester linkage
D. Chain length - CORRECT ANSWER - C. Type of ester linkage
Which of the following is a characteristic of omega-3 fatty acids?
A. The first double bond is at the 6th carbon from the carboxyl end
B. They are synthesized in large amounts in the body
C. The first double bond is at the 3rd carbon from the methyl end
D. They are fully saturated fatty acids - CORRECT ANSWER - C. The first double bond is at the
3rd carbon from the methyl end
ACTUAL Questions and CORRECT
Answers
Which of the following lipids plays a major role in the formation of myelin sheaths in neurons?
A. Cholesterol
B. Triglycerides
C. Sphingolipids
D. Phosphatidylcholine - CORRECT ANSWER - C. Sphingolipids
In clinical diagnostics, elevated levels of which lipid are most strongly associated with atherosclerosis?
A. HDL cholesterol
B. Phospholipids
C. LDL cholesterol
D. Triglycerides - CORRECT ANSWER - C. LDL cholesterol
Lipids are essential in the body for all of the following EXCEPT:
A. Cell membrane structure
B. Hormone synthesis
C. Long-term energy storage
D. Enzyme catalysis - CORRECT ANSWER - D. Enzyme catalysis
Which of the following is classified as a simple lipid?
A. Triglyceride
B. Phospholipid
C. Cholesterol
D. Sphingolipid - CORRECT ANSWER - A. Triglyceride
,Compound lipids are characterized by the presence of:
A. Only carbon and hydrogen
B. Additional groups such as phosphate or carbohydrate
C. Single fatty acid chains only
D. Sterol rings - CORRECT ANSWER - B. Additional groups such as phosphate or carbohydrate
Which of the following best describes derived lipids?
A. Lipids that are hydrolyzed into fatty acids and alcohol
B. Lipids that contain nitrogen groups
C. Lipids obtained by hydrolysis of simple and compound lipids
D. Lipids that contain multiple double bonds - CORRECT ANSWER - C. Lipids obtained by
hydrolysis of simple and compound lipids
A lipid consisting of glycerol and three fatty acids is best classified as a:
A. Compound lipid
B. Derived lipid
C. Simple lipid
D. Steroid - CORRECT ANSWER - C. Simple lipid
Which of the following best describes saturated fatty acids?
A. Contain one or more double bonds
B. Have only single bonds between carbon atoms
C. Are liquid at room temperature
D. Are always essential in the human diet - CORRECT ANSWER - B. Have only single bonds
between carbon atoms
Linoleic acid is an example of a:
A. Saturated fatty acid
B. Polyunsaturated fatty acid
, C. Monounsaturated fatty acid
D. Trans fatty acid - CORRECT ANSWER - B. Polyunsaturated fatty acid
Which type of fatty acid has more than one double bond in its carbon chain?
A. Saturated fatty acid
B. Monounsaturated fatty acid
C. Polyunsaturated fatty acid
D. Trans fatty acid - CORRECT ANSWER - C. Polyunsaturated fatty acid
Trans fatty acids are formed primarily through:
A. Fermentation
B. Hydrogenation of unsaturated fats
C. Oxidation of cholesterol
D. Natural metabolic processes in the liver - CORRECT ANSWER - B. Hydrogenation of
unsaturated fats
Fatty acids can be classified by all the following criteria EXCEPT:
A. Number of carbon atoms
B. Presence and type of double bonds
C. Type of ester linkage
D. Chain length - CORRECT ANSWER - C. Type of ester linkage
Which of the following is a characteristic of omega-3 fatty acids?
A. The first double bond is at the 6th carbon from the carboxyl end
B. They are synthesized in large amounts in the body
C. The first double bond is at the 3rd carbon from the methyl end
D. They are fully saturated fatty acids - CORRECT ANSWER - C. The first double bond is at the
3rd carbon from the methyl end
