Q: Which equation correctly represents the calculation of the Acceptable Macronutrient Distribution Range (AMDR) for fat for an adult consuming 2,000 kcal per day, if the AMDR for fat is 20-35% of total calories?

$$\text{Fat kcal range} = 2,000 \times 0.20 to$$ $$2,000 \times 0.35$$

Q: A person consumes 90 grams of protein per day and weighs 75 kg. Calculate their protein intake in g/kg body weight. Is this above the RDA for protein for adults?

$$\text{Protein intake} = \frac{90}{75} = 1.2\ \text{g/kg};$$ Yes, this is above the RDA of $$0.8\ \text{g/kg}.$$

Question 1

Which of the following best describes the structural difference between a monosaccharide and a disaccharide?

Accepted Answer

A monosaccharide contains one sugar unit, while a disaccharide contains two sugar units joined by a glycosidic bond.

Question 2

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

Accepted Answer

Serving as a primary component of cell membranes

Question 3

A patient is diagnosed with type 2 diabetes. Which of the following is the most likely cause of this condition?

Accepted Answer

Insulin resistance in body tissues

Question 4

Which equation correctly represents the calculation of the Acceptable Macronutrient Distribution Range (AMDR) for fat for an adult consuming 2,000 kcal per day, if the AMDR for fat is 20-35% of total calories?

Accepted Answer

$$	ext{Fat kcal range} = 2,000 	imes 0.20 to$$ $$2,000 	imes 0.35$$

Question 5

Which of the following statements about dietary fiber is CORRECT?

Accepted Answer

Soluble fiber can help regulate blood glucose levels by slowing carbohydrate absorption.

Question 6

Which of the following best explains why high fructose corn syrup (HFCS) is considered different from table sugar (sucrose) in the body?

Accepted Answer

HFCS is a mixture of free glucose and fructose, while sucrose is a disaccharide of glucose and fructose.

Question 7

A food label lists the following ingredients: whole grain oats, honey, almonds, and dried cranberries. Which type of carbohydrate is most abundant in this food?

Accepted Answer

Polysaccharides

Question 8

Which of the following is a correct statement about the digestion of fats?

Accepted Answer

Bile emulsifies fats in the small intestine, increasing the surface area for lipase action.

Question 9

Which of the following foods is the best source of alpha-linolenic acid?

Accepted Answer

Flaxseed oil

Question 10

A person consumes 90 grams of protein per day and weighs 75 kg. Calculate their protein intake in g/kg body weight. Is this above the RDA for protein for adults?

Accepted Answer

$$	ext{Protein intake} = \frac{90}{75} = 1.2\ 	ext{g/kg};$$ Yes, this is above the RDA of $$0.8\ 	ext{g/kg}.$$

Question 11

Which of the following statements about essential and non-essential amino acids is TRUE?

Accepted Answer

Essential amino acids must be supplied by the diet because the body cannot synthesize them.

Question 12

Which of the following best describes a complete protein?

Accepted Answer

A protein that contains all essential amino acids in adequate amounts.

Question 13

Which of the following is a potential health risk associated with a high-protein diet?

Accepted Answer

Increased risk of kidney strain or damage in susceptible individuals

Question 14

Which of the following statements about trans fats is CORRECT?

Accepted Answer

Trans fats are produced during the hydrogenation of unsaturated fats and increase LDL cholesterol.

Question 15

A vegetarian diet can provide all essential amino acids by:

Accepted Answer

Combining different plant protein sources such as beans and rice.

Question 16

Which of the following is a function of fat in the human body?

Accepted Answer

Providing insulation and protection for organs

Question 17

Which of the following artificial sweeteners is NOT calorie-free and is partially absorbed by the body?

Accepted Answer

Sorbitol

Question 18

Which of the following best explains the concept of protein sparing?

Accepted Answer

Protein sparing occurs when adequate carbohydrates and fats are consumed, allowing protein to be used for tissue building rather than energy.

Question 19

Which of the following is a health risk associated with a diet high in added sugars?

Accepted Answer

Increased risk of dental caries and type 2 diabetes

Question 20

Which of the following best describes the difference between saturated and unsaturated fats?

Accepted Answer

Saturated fats have no double bonds between carbon atoms, while unsaturated fats have one or more double bonds.

Carbohydrates, Fats, and Proteins: Structure, Function, and Health Implications

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