Q: Which of the following equations correctly represents the calculation of energy provided by carbohydrates in a meal containing 60 grams of carbohydrates?

$$60 \times 4 = 240$$ kilocalories

Question 1

Which of the following best describes an essential nutrient?

Accepted Answer

A nutrient that must be obtained from the diet because the body cannot make it or cannot make enough of it.

Question 2

Which of the following health problems in the United States is most strongly linked to dietary patterns?

Accepted Answer

Type 2 diabetes

Question 3

A double-blind research study is characterized by which of the following?

Accepted Answer

Neither the participants nor the researchers know who is receiving the treatment or placebo.

Question 4

Which of the following nutrients provides energy to the body?

Accepted Answer

Carbohydrates

Question 5

According to the Dietary Guidelines for Americans 2025-2030, which of the following is a recommended dietary pattern?

Accepted Answer

Limit saturated fat intake to less than 10% of total calories.

Question 6

Which organ is primarily responsible for the absorption of nutrients in the gastrointestinal tract?

Accepted Answer

Small intestine

Question 7

Peristalsis is best described as:

Accepted Answer

The rhythmic contraction and relaxation of muscles to move food through the digestive tract.

Question 8

Which of the following is a function of carbohydrates in the body?

Accepted Answer

Providing a primary source of energy for cells

Question 9

A patient with uncontrolled type 1 diabetes is at risk for which metabolic condition due to lack of insulin?

Accepted Answer

Ketosis

Question 10

Which of the following is a characteristic of saturated fats?

Accepted Answer

They have no double bonds between carbon atoms.

Question 11

Which of the following best describes the structure of a triglyceride?

Accepted Answer

Three fatty acids attached to a glycerol backbone

Question 12

Which lipoprotein is known as 'good cholesterol' and helps remove cholesterol from the bloodstream?

Accepted Answer

HDL

Question 13

A 45-year-old patient has a diet high in added sugars and low in fiber. Which of the following health risks is most increased for this patient?

Accepted Answer

Type 2 diabetes

Question 14

Which of the following equations correctly represents the calculation of energy provided by carbohydrates in a meal containing 60 grams of carbohydrates?

Accepted Answer

$$60 	imes 4 = 240$$ kilocalories

Question 15

Which of the following is a recommended strategy for preventing heart disease according to current guidelines?

Accepted Answer

Replace saturated fats with unsaturated fats

Question 16

Which of the following best describes the role of sphincters in the gastrointestinal tract?

Accepted Answer

They regulate the passage of food between different sections of the GI tract.

Question 17

A person consumes a meal containing 30 grams of fat. Using the energy value for fat, calculate the total kilocalories provided by fat in this meal.

Accepted Answer

$$30 	imes 9 = 270$$ kilocalories

Question 18

Which of the following is a function of phospholipids in the body?

Accepted Answer

Forming cell membranes

Question 19

Which of the following is a characteristic of omega-3 fatty acids?

Accepted Answer

They are polyunsaturated fats found in fatty fish and flaxseed.

Question 20

A patient is diagnosed with lactose intolerance. Which digestive process is impaired in this condition?

Accepted Answer

Breakdown of disaccharides into monosaccharides

NTR 108 Exam 1: Principles of Nutrition, Digestion, Carbohydrates, and Lipids

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