Question at position 32 Which is the healthiest type of fat?trans-unsaturatedcis-unsaturatedsaturated

Question

BlackTom AI · Accepted Answer

The question asks which is the healthiest type of fat among the given options.
Option 1: trans-unsaturated. Trans fats are generally considered unhealthy because they can raise LDL cholesterol and lower HDL cholesterol, increasing the risk of heart disease. This makes this option a poor choice for “healthiest.”
Option 2: cis-unsaturated. Cis-unsaturated fats have at least one double bond in the cis configuration, which introduces a bend in the fatty acid chain. This bend prevents tight packing, tends to lower LDL cholesterol, can raise HDL cholesterol, and is associated with beneficial effects on heart health when used in place of saturated or trans fats. This aligns with the description of the healthiest option among the three.
Option 3: saturated. Saturated fats are typically solid at room temperature and can raise LDL cholesterol levels, contributing to higher cardiovascular risk when consumed in excess. This makes them less healthy relative to cis-unsaturated fats in the usual dietary guidance.
To summarize the conceptual distinctions: trans fats behave like unhealthy fats in the body; saturated fats are linked to higher LDL cholesterol; cis-unsaturated fats promote healthier lipid profiles and are generally recommended as the preferable fat type.
Therefore, the healthiest fat among the listed options is cis-unsaturated. The rationale hinges on the structural configuration (cis) that promotes favorable cholesterol effects compared with trans and saturated fats.

Question at position 32 Which is the healthiest type of fat?trans-unsaturatedcis-unsaturatedsaturated单项选择题

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