A nurse is reviewing types of dietary fats with a client. Which chemical feature makes saturated fats different from unsaturated fats?
Unsaturated fats have fewer calories than saturated fats.
Unsaturated fats are solid at room temperature.
Each carbon molecule is filled with hydrogen
Saturated fats are made only from plant sources
The Correct Answer is C
A. Unsaturated fats have fewer calories than saturated fats:
Both types of fat provide 9 calories per gram. The difference lies in chemical structure, not caloric content.
B. Unsaturated fats are solid at room temperature:
This describes saturated fats, not unsaturated fats. Saturated fats (like butter) are solid at room temp.
C. Each carbon molecule is filled with hydrogen:
In saturated fats, all carbon atoms are "saturated" with hydrogen atoms, meaning no double bonds.
D. Saturated fats are made only from plant sources:
Saturated fats are found in both animal (e.g., butter, cheese) and some plant sources (e.g., coconut oil). This is inaccurate.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Saccharides:
Saccharides are the building blocks of carbohydrates, not lipids.
B. Glucose:
Glucose is a sugar (carbohydrate), not a lipid component.
C. Amino acids:
Amino acids are the building blocks of proteins, not lipids.
D. Fatty acids:
Lipids (like triglycerides) are composed of glycerol + fatty acids, which form fats and oils.
Correct Answer is ["A","C","D","E"]
Explanation
A. Engaging in regular physical activity:
Exercise helps raise HDL and lower LDL, improving overall lipid profile.
B. Increasing intake of trans fats found in processed snacks:
❌ Trans fats increase LDL and lower HDL, worsening heart health.
C. Replacing saturated fats with unsaturated fats, such as olive oil:
Substituting saturated fats with unsaturated fats helps lower LDL.
D. Including fatty fish rich in omega-3 fatty acids in the diet:
Omega-3s from fish can help reduce triglycerides and modestly raise HDL.
E. Eating foods high in soluble fiber, such as oats and legumes:
Soluble fiber helps bind cholesterol in the gut, lowering LDL levels.
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