Q: A patient consumes 50 grams of carbohydrates, 20 grams of fat, and 30 grams of protein in a meal. Using the caloric values for each macronutrient, what is the total caloric intake from this meal?

Carbohydrates: $$50 \times 4 = 200$$ kcal, Fat: $$20 \times 9 = 180$$ kcal, Protein: $$30 \times 4 = 120$$ kcal; Total: $$200 + 180 + 120 = 500$$ kcal

Question 1

A patient consumes 50 grams of carbohydrates, 20 grams of fat, and 30 grams of protein in a meal. Using the caloric values for each macronutrient, what is the total caloric intake from this meal?

Accepted Answer

Carbohydrates: $$50 	imes 4 = 200$$ kcal, Fat: $$20 	imes 9 = 180$$ kcal, Protein: $$30 	imes 4 = 120$$ kcal; Total: $$200 + 180 + 120 = 500$$ kcal

Question 2

Which of the following statements best describes 'empty calories'?

Accepted Answer

Calories from foods that provide energy but lack essential nutrients such as vitamins and minerals

Question 3

Which macronutrient is unique because it contains nitrogen, unlike the other two macronutrients?

Accepted Answer

Protein

Question 4

A person is in positive nitrogen balance. Which scenario best illustrates this state?

Accepted Answer

A child growing rapidly and synthesizing new tissues

Question 5

Which vitamin requires an intrinsic factor for absorption in the gastrointestinal tract?

Accepted Answer

Vitamin B12

Question 6

Which of the following is an example of a polysaccharide and its storage location in the human body?

Accepted Answer

Glycogen; stored in liver and skeletal muscle

Question 7

Which of the following best describes the difference between HDL and LDL?

Accepted Answer

HDL transports cholesterol from tissues to the liver for excretion, while LDL delivers cholesterol to tissues

Question 8

Which of the following is NOT considered an essential nutrient?

Accepted Answer

Glucose

Question 9

A food contains 10 grams of alcohol. How many calories does this contribute?

Accepted Answer

$$10 	imes 7 = 70$$ kcal

Question 10

Which of the following is a major function of proteins in the body?

Accepted Answer

Enzyme catalysis

Question 11

Which of the following is a reason nutrition experts recommend fiber-rich foods?

Accepted Answer

Fiber promotes digestive health and helps regulate blood glucose levels

Question 12

Which of the following is an example of a complimentary protein meal?

Accepted Answer

Rice and beans

Question 13

Which of the following best describes the recommended intake for fats according to the 10:10:10:0 guideline?

Accepted Answer

10% saturated, 10% monounsaturated, 10% polyunsaturated, 0% trans fats

Question 14

Which of the following minerals is important for oxygen transport in the blood?

Accepted Answer

Iron

Question 15

Which of the following statements about vitamins is correct?

Accepted Answer

Most vitamins function as coenzymes in metabolic reactions

Question 16

Which of the following is a water-soluble vitamin?

Accepted Answer

Vitamin C

Question 17

Which of the following best describes a complete protein?

Accepted Answer

A protein that contains all essential amino acids in adequate proportions

Question 18

Which of the following is NOT a function of minerals in the body?

Accepted Answer

Providing direct energy for cellular processes

Question 19

Which of the following factors does NOT help determine whether amino acids are synthesized or burned for energy?

Accepted Answer

The amount of dietary fiber consumed

Question 20

Which of the following best describes the concept of isocaloric balance?

Accepted Answer

Energy intake equals energy expenditure, resulting in stable body weight

Chapter 24 Pt 2: Nutrition, Metabolism, and Energy Balance – Study Notes

Study Guide - Practice Questions

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