Energy Metabolism and Body Composition Quizzes - Nutrition for Nurses

Question 1

Which of the following is NOT a macronutrient?

Accepted Answer

Fiber

Answer

Carbohydrates

Answer

Proteins

Answer

Fats

Question 2

During intense physical activities like sprinting or weightlifting, which energy system primarily provides the body with energy for immediate use?

Accepted Answer

Anaerobic glycolysis

Answer

Oxidative phosphorylation

Answer

Gluconeogenesis

Answer

Lipogenesis

Question 3

Which of the following is a potential consequence of excessive protein intake?

Accepted Answer

Kidney damage

Answer

Dehydration

Answer

Osteoporosis

Answer

Muscle atrophy

Question 4

What is the primary function of the respiratory quotient (RQ)?

Accepted Answer

To determine the efficiency of energy metabolism

Answer

To assess body composition

Answer

To diagnose metabolic disorders

Answer

To monitor fluid balance

Question 5

Which of the following is NOT an indicator of malnutrition?

Accepted Answer

Obesity

Answer

Cachexia

Answer

Edema

Answer

Stunted growth

Question 6

The most prominent indicator of negative energy balance is:

Accepted Answer

Weight loss

Answer

Fatigue

Answer

Headaches

Answer

Increased appetite

Question 7

Which of the following health risks is NOT associated with excessive body fat?

Accepted Answer

Improved cognitive function

Answer

Heart disease

Answer

Stroke

Answer

Type 2 diabetes

Question 8

Which of the following is the primary source of energy for the brain?

Accepted Answer

Glucose

Answer

Fatty acids

Answer

Ketone bodies

Answer

Amino acids

Question 9

The caloric value of one gram of protein is:

Accepted Answer

4 kcal

Answer

7 kcal

Answer

9 kcal

Answer

12 kcal

Question 10

A diet high in fat can lead to increased production of:

Accepted Answer

Ketone bodies

Answer

Glucose

Answer

Insulin

Answer

Glycogen

Question 11

Which substance is NOT a macronutrient?

Accepted Answer

Minerals

Answer

Carbohydrates

Answer

Proteins

Answer

Fats

Question 12

The process of breaking down glucose into pyruvate is called:

Accepted Answer

Glycolysis

Answer

Gluconeogenesis

Answer

Glycogenolysis

Answer

Lipogenesis

Question 13

A calorie is best defined as:

Accepted Answer

The amount of heat required to raise the temperature of 1 gram of water by 1 degree Celsius

Answer

The amount of energy required to perform a specific task

Answer

The amount of energy stored in a food

Answer

The amount of energy used by the body at rest

Question 14

Which of the following is NOT a potential consequence of chronic negative energy balance?

Accepted Answer

Weight gain

Answer

Muscle loss

Answer

Amenorrhea

Answer

Delayed wound healing

Question 15

The process by which the body converts excess glucose into fat is termed:

Accepted Answer

Lipogenesis

Answer

Gluconeogenesis

Answer

Glycolysis

Answer

Glycogenolysis

Question 16

What is the primary role of carbohydrates in energy metabolism?

Accepted Answer

Providing a readily available energy source for the body

Answer

Storing energy for future use

Answer

Building and repairing tissues

Answer

Transporting nutrients and oxygen

Question 17

What is the primary energy source utilized by the brain for its functioning?

Accepted Answer

Glucose

Answer

Ketones

Answer

Fatty acids

Answer

Amino acids

Question 18

Which macronutrient yields the highest energy content per unit weight?

Accepted Answer

Fats

Answer

Carbohydrates

Answer

Proteins

Answer

Minerals

Question 19

Which hormone primarily stimulates the release of stored glucose and fatty acids?

Accepted Answer

Glucagon

Answer

Insulin

Answer

Adrenaline

Answer

Cortisol

Question 20

Sustained excessive protein intake may lead to:

Accepted Answer

Kidney damage

Answer

Enhanced weight loss

Answer

Improved athletic performance

Answer

Reduced risk of bone fractures

Question 21

The primary storage form of carbohydrates in the body is:

Accepted Answer

Glycogen

Answer

Cellulose

Answer

Starch

Answer

Insulin

Question 22

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

Accepted Answer

Provision of energy

Answer

Storage of genetic information

Answer

Regulation of blood pressure

Answer

Synthesis of hormones

Question 23

Which of the following hormones is responsible for stimulating the release of glucose from the liver?

Accepted Answer

Glucagon

Answer

Insulin

Answer

Epinephrine

Answer

Cortisol

Question 24

The calculation used to determine body mass index (BMI) involves:

Accepted Answer

Weight in kilograms divided by height in meters squared

Answer

Weight in pounds divided by height in inches

Answer

Height in inches multiplied by weight in pounds

Answer

Weight in kilograms multiplied by height in meters

Question 25

Which of the following is NOT a characteristic of obesity?

Accepted Answer

Improved cardiovascular health

Answer

Increased body fat percentage

Answer

Increased risk of chronic diseases

Answer

Altered metabolism

Question 26

The process by which the body breaks down fats into fatty acids and glycerol is called:

Accepted Answer

Lipolysis

Answer

Proteolysis

Answer

Glycogenesis

Answer

Gluconeogenesis

Question 27

Which macronutrient provides the highest amount of energy per gram?

Accepted Answer

Fat (9 kcal/g)

Answer

Carbohydrates (4 kcal/g)

Answer

Protein (4 kcal/g)

Answer

Fiber (2 kcal/g)

Question 28

The resting metabolic rate is primarily determined by:

Accepted Answer

Lean body mass

Answer

Body fat percentage

Answer

Age

Answer

Gender

Question 29

A positive energy balance over time can lead to:

Accepted Answer

Weight gain

Answer

Weight loss

Answer

No change in weight

Answer

Muscle loss

Question 30

The thermic effect of food refers to the:

Accepted Answer

Energy required to digest and metabolize food

Answer

Total energy content of food

Answer

Efficiency of food utilization

Answer

Rate of nutrient absorption

Question 31

Which of the following amino acids is considered essential?

Accepted Answer

Histidine

Answer

Alanine

Answer

Asparagine

Answer

Glycine

Question 32

What is the term for the method used to measure body composition through electrical impedance?

Accepted Answer

Bioelectrical impedance analysis (BIA)

Answer

Dual-energy X-ray absorptiometry (DXA)

Answer

Anthropometry

Answer

Skinfold calipers

Question 33

Which of the following is NOT classified as a macronutrient?

Accepted Answer

Vitamins

Answer

Carbohydrates

Answer

Proteins

Answer

Fats

Question 34

What is the healthy body mass index (BMI) range for most adults?

Accepted Answer

18.5-24.9

Answer

25-29.9

Answer

30-34.9

Answer

35-39.9

Question 35

The main form in which glucose is stored in the body is:

Accepted Answer

Glycogen

Answer

Starch

Answer

Triglycerides

Answer

Proteins