BIOD 121 - Module 3 Exam Questions with Correct Answers Latest Update 2025-2026
What is energy balance? - Answers Energy balance is equal to energy expenditure
What is the purpose of energy balance? - Answers Prevents weight gain and maintain
appropriate weight
Positive energy balance - Answers More calories are consumed than are expended
Excess calories are turned into ... - Answers Fat
One pound of fat is equal to ... - Answers 3500 Kcals
When is positive energy balance required? - Answers During periods of growth, adolescence,
and pregnancy
Hyperplasia - Answers Increase in adipocytes during period of growth
Hypertrophy - Answers Increase in size of adipocytes in periods of low growth
Negative energy balance - Answers When fewer calories are consumed than what is expended
Negative energy balance can occur due to ... - Answers Illness, trauma, or eating disorder
Extremely high levels of calories are needed during ... - Answers Healing
What is the sole source of energy? - Answers Food and beverages
What is known as natural expenditure? - Answers Basal metabolism, thermic effect of food,
thermogenesis, physical activity
What are the major component of natural expenditure? - Answers Basal metabolic rate and
activity level
Basal metabolic rate is ... - Answers Energy expenditure during fasting state (60-70%)
What is the healthy BMR for males? - Answers 1 kcal/kg/hr
What is the healthy BMR for females? - Answers 0.9 kcal/kg/hr
BMR supports ... - Answers Various organs and promotes staying alive
BMR is determined by ... - Answers Gender, lean body mass, body size, temperature, age, NS
activities, levels of caffeine intake, and tobacco use
Caloric deprivation has what effect on BMR? - Answers Decreases
What is the thermic effect of food (TEF)? - Answers Energy used for digestion and absorption of
food (10% of calories)
, Larger meals result in ... TEF - Answers Increased
What is thermogenesis? - Answers Non-exercise activity thermogenesis
Thermogenesis involves ... - Answers Ability to regulate body temp. and involuntary physical
activity (such as posture, shivering, fidgeting)
Where is brown fat found in infants? - Answers Below the collar bone
What is the function of brown fat? - Answers Metabolizes energy yielded nutrients, resulting in
heat production
Physical activity is what % of energy expenditure? - Answers 15-40%
Which factors influence energy expenditure with physical activity? - Answers Body size, fitness
level, and activity
Modern conveniences lead to more ... lifestyle - Answers Sedentary
Determining energy needs is crucial for ... - Answers Maintaining healthy weight
Direct calorimetry - Answers The heat given off by body, performed in a insulated chamber
surrounded by thin layer of water
Indirect calorimetry - Answers Oxygen and CO2 output are measured
What is the difference between direct and indirect calorimetry? - Answers Indirect is cheaper,
more convenient, and easy to perform
How is energy requirement calculated? - Answers BMR x PA
BMR x PA gives number of calories required to expend daily for what? - Answers To maintain
current weight
Ideal/desirable weight is now referred to as ... - Answers Healthy weight
What is the purpose of height-to-weight tables? - Answers They link longevity to a person's
weight based on height
What must be taken into account of the height-to-weight tables? - Answers Weight history, fat
distribution, family health history, current weight, and activity status
What is the body mass index? - Answers BMI, measures body fat relative to one's weight and
height
What are the categories of BMI? - Answers Underweight < 18.5
Normal 18.5-24.9
What is energy balance? - Answers Energy balance is equal to energy expenditure
What is the purpose of energy balance? - Answers Prevents weight gain and maintain
appropriate weight
Positive energy balance - Answers More calories are consumed than are expended
Excess calories are turned into ... - Answers Fat
One pound of fat is equal to ... - Answers 3500 Kcals
When is positive energy balance required? - Answers During periods of growth, adolescence,
and pregnancy
Hyperplasia - Answers Increase in adipocytes during period of growth
Hypertrophy - Answers Increase in size of adipocytes in periods of low growth
Negative energy balance - Answers When fewer calories are consumed than what is expended
Negative energy balance can occur due to ... - Answers Illness, trauma, or eating disorder
Extremely high levels of calories are needed during ... - Answers Healing
What is the sole source of energy? - Answers Food and beverages
What is known as natural expenditure? - Answers Basal metabolism, thermic effect of food,
thermogenesis, physical activity
What are the major component of natural expenditure? - Answers Basal metabolic rate and
activity level
Basal metabolic rate is ... - Answers Energy expenditure during fasting state (60-70%)
What is the healthy BMR for males? - Answers 1 kcal/kg/hr
What is the healthy BMR for females? - Answers 0.9 kcal/kg/hr
BMR supports ... - Answers Various organs and promotes staying alive
BMR is determined by ... - Answers Gender, lean body mass, body size, temperature, age, NS
activities, levels of caffeine intake, and tobacco use
Caloric deprivation has what effect on BMR? - Answers Decreases
What is the thermic effect of food (TEF)? - Answers Energy used for digestion and absorption of
food (10% of calories)
, Larger meals result in ... TEF - Answers Increased
What is thermogenesis? - Answers Non-exercise activity thermogenesis
Thermogenesis involves ... - Answers Ability to regulate body temp. and involuntary physical
activity (such as posture, shivering, fidgeting)
Where is brown fat found in infants? - Answers Below the collar bone
What is the function of brown fat? - Answers Metabolizes energy yielded nutrients, resulting in
heat production
Physical activity is what % of energy expenditure? - Answers 15-40%
Which factors influence energy expenditure with physical activity? - Answers Body size, fitness
level, and activity
Modern conveniences lead to more ... lifestyle - Answers Sedentary
Determining energy needs is crucial for ... - Answers Maintaining healthy weight
Direct calorimetry - Answers The heat given off by body, performed in a insulated chamber
surrounded by thin layer of water
Indirect calorimetry - Answers Oxygen and CO2 output are measured
What is the difference between direct and indirect calorimetry? - Answers Indirect is cheaper,
more convenient, and easy to perform
How is energy requirement calculated? - Answers BMR x PA
BMR x PA gives number of calories required to expend daily for what? - Answers To maintain
current weight
Ideal/desirable weight is now referred to as ... - Answers Healthy weight
What is the purpose of height-to-weight tables? - Answers They link longevity to a person's
weight based on height
What must be taken into account of the height-to-weight tables? - Answers Weight history, fat
distribution, family health history, current weight, and activity status
What is the body mass index? - Answers BMI, measures body fat relative to one's weight and
height
What are the categories of BMI? - Answers Underweight < 18.5
Normal 18.5-24.9
