Q. What is the effect of trans fats on health?
-
A.
Increase HDL levels
-
B.
Decrease LDL levels
-
C.
Increase inflammation
-
D.
Have no effect on cholesterol
Solution
Trans fats are known to increase inflammation and are associated with higher LDL cholesterol levels.
Correct Answer:
C
— Increase inflammation
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Q. What is the main dietary source of omega-3 fatty acids?
-
A.
Red meat
-
B.
Fish
-
C.
Dairy products
-
D.
Vegetable oils
Solution
Fish, particularly fatty fish like salmon, are the primary dietary source of omega-3 fatty acids.
Correct Answer:
B
— Fish
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Q. What is the primary component of a triglyceride?
-
A.
Glycerol and three fatty acids
-
B.
Phospholipids
-
C.
Cholesterol
-
D.
Amino acids
Solution
A triglyceride is composed of glycerol and three fatty acids.
Correct Answer:
A
— Glycerol and three fatty acids
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Q. What is the role of HDL cholesterol in the body?
-
A.
Transporting cholesterol to cells
-
B.
Removing excess cholesterol from the bloodstream
-
C.
Storing triglycerides
-
D.
Increasing inflammation
Solution
HDL cholesterol helps remove excess cholesterol from the bloodstream, reducing the risk of heart disease.
Correct Answer:
B
— Removing excess cholesterol from the bloodstream
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Q. Which lipid is known as 'bad cholesterol'?
-
A.
HDL
-
B.
LDL
-
C.
VLDL
-
D.
Triglycerides
Solution
LDL (low-density lipoprotein) is often referred to as 'bad cholesterol' because it can lead to plaque buildup in arteries.
Correct Answer:
B
— LDL
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Q. Which of the following is a function of essential fatty acids?
-
A.
Energy production
-
B.
Cell membrane structure
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C.
Hormone synthesis
-
D.
All of the above
Solution
Essential fatty acids play roles in energy production, cell membrane structure, and hormone synthesis.
Correct Answer:
D
— All of the above
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Q. Which type of lipid is most commonly found in cell membranes?
-
A.
Triglycerides
-
B.
Phospholipids
-
C.
Sterols
-
D.
Fatty acids
Solution
Phospholipids are the main component of cell membranes, providing structure and fluidity.
Correct Answer:
B
— Phospholipids
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