Body Composition and Energy Balance

A student increases daily physical activity while keeping food intake the same over several weeks. Using the concept of energy balance, what is the most likely outcome over time?

• Energy out increases, which can help the student move toward a healthier weight over time

• Energy in increases, leading to immediate weight gain

• Energy balance must stay equal each day, so nothing changes

• Energy out decreases because activity uses fewer calories than eating

If you were improving your eating habits based on MyPlate guidelines, which action should you take?

• Skip vegetables and drink extra dairy to balance the plate

• Choose foods from all five groups, making fruits and vegetables half your plate

• Eat mostly protein foods and grains because they give energy

• Limit fruits so grains can take up most of the plate

A very active teenage girl is trying to determine her RDA of calories. Which of the following statements is true?

• She should lower her calories because activity burns energy

• Keep calories the same regardless of activity

• Increase her calories as activity level rises

• Eliminate carbohydrates to reduce calories

On a nutrition label, which item tells you how much energy you get from one serving of the food?

• Protein

• Calories

• Fiber

• Sodium

Which of the following is described as an immune system reaction that can sometimes be life-threatening, with signs such as hives, swelling, itching, breathing problems, wheezing, and dizziness?

• Food sensitivity

• Food allergy

• Food intolerance due to lactose

• Digestive upset from overeating

Food manufacturers must state on their labels if foods contain any of the most common allergens. Which items listed are part of the most common allergens?

• Peanuts, tree nuts (walnuts and cashews), eggs, shellfish

• Celery, carrots, apples, rice

• Chicken, beef, pork, spinach

• Water, salt, pepper, sugar

Which symptom is a severe, life-threatening reaction that requires immediate medical attention?

• Constipation

• Anaphylaxis

• Stuffy nose

• Abdominal pain

A student with a peanut allergy is preparing lunch. Which action best prevents cross-contamination.

• Using the same knife for peanut butter and jelly to save time

• Wiping the counter with water after spreading peanut butter

• Keeping separate utensils and cleaning surfaces before preparing non-allergy foods

• Sharing a cutting board with a friend who is making a peanut sandwich

Body image is best described as which of the following?

• How your body actually looks to other people

• How you think and feel about your body

• A list of measurements like height and weight

• The food groups you choose each day

Positive body image can support healthy eating habits and daily activity by:

• Encouraging self-acceptance and motivation to make healthy choices.

• Promoting strict dieting and excessive exercise.

• Focusing only on appearance rather than health.

• Discouraging participation in physical activities.