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BIOD 121 nutrition test 3 Portage learning FALL 2025

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Describe the difference between positive and negative energy balance. Positive energy balance occurs if more energy (calories) are consumed than expended, whereas negative energy balance occurs if fewer calories are consumed than are expended. 3. What is the formula (including units) to calculating Body Mass Index (BMI) BMI = weight (kg) / height^2(meters) 4. Which of the following populations would not be advised to use the general BMI? Select all that apply: Children Pregnant/breastfeeding moms Short stature adults Muscular individuals

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Institution
BIOD 121
Course
BIOD 121

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Describe the difference between positive and negative energy balance.

Positive energy balance occurs if more energy (calories) are consumed than expended, whereas
negative energy balance occurs if fewer calories are consumed than are expended.

Question 2
Match the following words to their definitions:

Physical activity Accounts for 15-40% of

Thermic effect of food Accounts for about 10% or Energy used for

Thermogenesis Accounts for a very small or Amount of energy



3. What is the formula (including units) to calculating Body Mass Index (BMI)

BMI = weight (kg) / height^2(meters)

4. Which of the following populations would not be advised to use the general BMI?
Select all that apply:

Children Pregnant/breastfeeding

moms Short stature adults
Muscular
individuals
Elderly

5. Which method below is used to determine a person’s body fat by measuring the fat layer
just under the skin at several locations using a caliper?

Anthropometrics

6. True or false: Nurture is the influence of genetic factors that play a role in body
composition.

FALSE: Nature is the influence of genetic factors that play a role in body composition OR nurture
is the influence of environmental factors that play a role in body composition.

7. Kai has always been a “yo-yo” dieter, in that he loses weight, but then eventually goes
back to his previous overweight status. What is this concept called and name the hormone
that is hypothesized to be involved.

Set point theory; leptin

8. List the daily standards of calorie control for males and females.

Your Answer: Males = 1500 Females = 1200

, 9. Ryan was comparing two nutrition labels for snacks at the grocery store. Snack #1 had
130 calories per serving and 4 grams of total fat, while Snack #2 had 145 calories and 2
grams of fat. Which snack would be the better choice for Ryan’s weight loss goals and
why?

Snack #1 because when looking at labels and comparing products, remember that calories are
important, regardless of whether they come from fat, carbohydrates, or protein

10. Along with nutrition label reading and keep a food journal, what are at least 2 more
recommended behaviors for controlling calories? (Note behavior modification is not to be
listed as a recommendation)

Measuring portion sizes

limiting high fat foods

limiting empty calorie foods/foods high in sugar

11. You are counseling an obese 26 year old male. He is confused as to why his recent
dietary changes are not resulting in weight loss. He shares with you that he has stocked
his fridge and pantry with only low-fat and fat-free foods. Explain to him why these types
of foods may be detrimental to his weight loss goals.

The calorie difference between low-fat and its regular counterpart can be marginal as extra sugar
(or salt) can be used to improve the taste. Additionally, the lack of fat or simply the knowledge
that the product is lower in calories, may lead you to actually eat more of a low-fat product. The
end result is often the consumption of more calories than if you had just ingested the regular
product initially.

12. Why is it recommended to not consume high calorie drinks like colas and alcohol for
weight loss and maintenance?

Drinks can have high calories but do not lead to a filling of fullness or satiety, so people will
also ingest food as well exceed their calorie intake or allowance for weight loss and
maintenance.

13.Which of the following is linked to physical activity?

Mood

improvement

Increase

productivity

14.True or false. If false, explain why it is false.

Science now shows that individuals must be active for a continuous period of 60 minutes for
it to be beneficial.

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Institution
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Course
BIOD 121

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