Questions: Which types of dietary fats can increase blood LDL concentrations ? a. Polyunsaturated fatty acids, monounsaturated fatty acids b. Omega-3 fatty acids, cis-fatty acids c. Fiber, omega-6 fatty acids d. Saturated fatty acids, trans-fatty acids

Which types of dietary fats can increase blood LDL concentrations ? a. Polyunsaturated fatty acids, monounsaturated fatty acids b. Omega-3 fatty acids, cis-fatty acids c. Fiber, omega-6 fatty acids d. Saturated fatty acids, trans-fatty acids
Transcript text: Which types of dietary fats can increase blood LDL concentrations ? a. Polyunsaturated fatty acids, monounsaturated fatty acids b. Omega-3 fatty acids, cis-fatty acids c. Fiber, omega-6 fatty acids d. Saturated fatty acids, trans-fatty acids
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Solution

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The answer is the fourth one (or D): saturated fatty acids, trans-fatty acids.

Explanation for each option:

a. Polyunsaturated fatty acids, monounsaturated fatty acids:

  • Incorrect. Polyunsaturated and monounsaturated fatty acids are generally considered beneficial for heart health and do not increase LDL (low-density lipoprotein) cholesterol levels. In fact, they can help reduce LDL levels.

b. Omega-3 fatty acids, cis-fatty acids:

  • Incorrect. Omega-3 fatty acids are known for their heart health benefits and can help lower LDL cholesterol levels. Cis-fatty acids are the natural form of unsaturated fats and do not increase LDL levels.

c. Fiber, omega-6 fatty acids:

  • Incorrect. Dietary fiber does not increase LDL cholesterol; it can actually help lower it. Omega-6 fatty acids, when consumed in moderation, do not necessarily increase LDL levels and are essential fats.

d. Saturated fatty acids, trans-fatty acids:

  • Correct. Both saturated fatty acids and trans-fatty acids are known to increase blood LDL concentrations. High intake of these fats is associated with an increased risk of cardiovascular diseases.

Summary: Saturated fatty acids and trans-fatty acids are the types of dietary fats that can increase blood LDL concentrations, making option D the correct answer.

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