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BIOD 121 LEARNING PORTAGE NUTRITION MODULE 3 Exam 2026 Questions and Answers

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BIOD 121 LEARNING PORTAGE NUTRITION MODULE 3 Exam 2026 Questions and Answers

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BIOD 121 LEARNING PORTAGE
NUTRITION MODULE 3 Exam 2026
Questions and Answers

Energy balance - Correct answer-a state when one's energy intake is equivalent to

the amount of energy expended

Energy in equals energy out (calories consumed is burned through basic body

functions + exercise - Correct answer-energy balance

positive energy balance - Correct answer-occurs if more calories (energy) are

consumed than expended

examples of periods in life when you need to be in a positive energy balance state:

- Correct answer-pregnancy, childhood, and adolescence in growth spurts

1 pound in a week is equivalent to : - Correct answer-500 extra calories a day

Hyperplasia - Correct answer-an increase in the number of fat cells often occurring

during periods of growth, such as adolescence or pregnancy




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,Hypertrophy - Correct answer-an increase in the size of fat cells, most often seen in

periods of low growth and maintenance, such as throughout adulthood

Negative energy balance - Correct answer-occurs if fewer calories are consumed

than calories expended

Examples of negative energy balance situations: - Correct answer-during illness or

trauma, major burn injury, intentional act such as dieting to meet a weight loss goal

Our sole source of energy intake is from: - Correct answer-food and beverages

Energy can be expended naturally via _____________ , _____________, and

_________________ - Correct answer-basal metabolism, the thermic effect of

food, and thermogenesis

Energy can be expended intentionally through _______________ - Correct answer-

physical activity (aka exercise)

Two major components of energy expenditure are: - Correct answer-basal

metabolic rate and physical activity

Basal metabolic rate (BMR) - Correct answer-the number of calories used by the

body while in a fasting state and accounts for approximately 60-70% of energy

expenditure




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, BMR varies by person based on factors such as: - Correct answer-gender, lean

body mass, body size, temperature, age, nervous system activities, levels of

caffeine intake, and tobacco use

BMR males: - Correct answer-1 kcal/kg/hour

BMR females: - Correct answer-0.9 kcal/kg/hour

As we age BMR declines by ______________% per decade so we must adjust

eating habits to prevent weight gain. - Correct answer-1-2 %

Thermic effect of food (TEF) - Correct answer-the energy used for digestion and

absorption of food and accounts for approximately 10% of the calories expended.

larger meals higher in protein result in a higher ________ - Correct answer-thermic

effect of food (TEF)

Thermogenesis - Correct answer-the ability to regulate temperature and activities

such as fidgeting, maintaining body posture, and shivering. ( energy burned

through this process is very small)

Physical activity - Correct answer-accounts for 15-40% of our energy expenditure

Physical activity factors include: - Correct answer-body size, fitness level, and

actual activity to determine how many calories are expended



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