$$\frac{20 \times 9}{500} \times 100$$

Question 1

Which of the following statements best describes a triglyceride?

Accepted Answer

A molecule composed of three fatty acids and one glycerol backbone.

Question 2

Which type of fatty acid is most likely to be solid at room temperature, and why?

Accepted Answer

Saturated fatty acids, because their straight chains allow tight packing.

Question 3

Which of the following is an essential fatty acid that must be obtained from the diet?

Accepted Answer

Linoleic acid

Question 4

What is the primary function of bile in fat digestion?

Accepted Answer

To emulsify fats into smaller droplets for enzyme action.

Question 5

Which equation correctly represents the energy provided by fat per gram?

Accepted Answer

$$9 	ext{ kcal/gram}$$

Question 6

A patient is advised to increase their intake of omega-3 fatty acids. Which food would be the best recommendation?

Accepted Answer

Salmon

Question 7

Which of the following is NOT a function of fat in the human body?

Accepted Answer

Synthesis of glucose from amino acids

Question 8

Which process is used to convert liquid plant oils into solid or semi-solid fats, often resulting in the formation of trans fatty acids?

Accepted Answer

Hydrogenation

Question 9

A food label lists 'partially hydrogenated oil' as an ingredient. What type of fat is most likely present?

Accepted Answer

Trans fat

Question 10

Which lipoprotein is responsible for transporting dietary triglycerides from the intestine to other tissues?

Accepted Answer

Chylomicron

Question 11

Which of the following recommendations is most effective for improving blood lipid levels?

Accepted Answer

Increase intake of omega-3 fatty acids

Question 12

A patient with high blood pressure is advised to follow the DASH diet. What is the primary dietary change recommended?

Accepted Answer

Limit sodium intake

Question 13

Which of the following is a modifiable risk factor for cardiovascular disease?

Accepted Answer

Physical inactivity

Question 14

Which statement best explains why trans fats are considered harmful to cardiovascular health?

Accepted Answer

They decrease the removal of cholesterol from the blood and contribute to arterial plaque formation.

Question 15

Which formula would you use to calculate the percentage of calories from fat in a meal containing 20 grams of fat and 500 total kcal?

Accepted Answer

$$\frac{20 	imes 9}{500} 	imes 100$$

Question 16

Which of the following is a characteristic of phospholipids?

Accepted Answer

They are important components of cell membranes.

Question 17

A person consumes a diet high in saturated fats. Which of the following is a likely consequence?

Accepted Answer

Decrease in removal of cholesterol from the blood and increase in triglyceride levels.

Question 18

Which of the following best describes the role of eicosanoids derived from essential fatty acids?

Accepted Answer

They regulate cellular functions such as GI tract motility and blood clotting.

Question 19

Which of the following foods is most likely to contain hidden (invisible) fats?

Accepted Answer

Cheese-filled crackers

Question 20

A patient is trying to reduce their risk of cardiovascular disease. Which lifestyle change would be most beneficial?

Accepted Answer

Maintain a healthful body weight and increase physical activity.

Fats: Essential Energy-Supplying Nutrients and Cardiovascular Disease

Study Guide - Practice Questions