Nutrition and BMR Quiz

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Questions and Answers

What is the primary source of energy for the human body?

  • Food and drinks (correct)
  • Air
  • Water
  • Sunlight

The Basal Metabolic Rate (BMR) is the energy required when the body is most active.

False (B)

What two units are used to measure energy in the context of nutrition?

kilocalories (kcal) and kilojoules (kj)

When energy intake equals energy expenditure, there is no changes in weight, resulting in weight ___________.

<p>maintenance</p> Signup and view all the answers

Match the following factors with their effect on BMR:

<p>Age = Generally declines in later life. Gender = Men typically have a higher BMR than women. Height = Taller people tend to have a higher BMR. Body Composition = People with more muscle mass have a higher BMR.</p> Signup and view all the answers

Which of the following factors does NOT directly affect a person's BMR?

<p>Dietary Preferences (B)</p> Signup and view all the answers

The more active a person is, the lower their Basal Metabolic Rate (BMR) will be.

<p>False (B)</p> Signup and view all the answers

What is the formula to calculate total energy requirement?

<p>BMR + Physical Activity Level (PAL)</p> Signup and view all the answers

What happens when energy intake is greater than energy expenditure?

<p>Weight gain (D)</p> Signup and view all the answers

The energy equation must balance every day for a person to maintain a healthy weight.

<p>False (B)</p> Signup and view all the answers

What is a balanced diet?

<p>A balanced diet ensures the body receives the right amounts of carbohydrates, proteins, fats, vitamins, minerals, and water.</p> Signup and view all the answers

Following correct dietary behaviours ensures you consume a variety of nutrient-rich foods like fruits, vegetables, and ______.

<p>whole grains</p> Signup and view all the answers

Which type of fat is best suited for sustained, low-intensity exercise?

<p>Unsaturated fats (D)</p> Signup and view all the answers

Match the following concepts with their descriptions:

<p>Energy In &gt; Energy Out = Weight Gain Energy In &lt; Energy Out = Weight Loss Nutritional Diversity = Consuming a variety of nutrient-rich foods Portion Control = Consuming appropriate amount of nutrients for individual needs</p> Signup and view all the answers

Proteins are the body's primary source of energy during most physical activities.

<p>False (B)</p> Signup and view all the answers

What is the role of proper hydration in a balanced diet?

<p>It is a fundamental aspect (A)</p> Signup and view all the answers

Processed foods are a good source of nutrients for a balanced diet.

<p>False (B)</p> Signup and view all the answers

What are the three main functions of protein in the body?

<p>Repair, growth, and efficiency of tissues.</p> Signup and view all the answers

When the body carries out exercise at a low intensity, it resorts to _____ as the main source of energy.

<p>fats</p> Signup and view all the answers

Name three examples of correct dietary behaviors.

<p>Nutritional diversity, nutrient adequacy, portion control, hydration</p> Signup and view all the answers

Match the following types of fats with their descriptions:

<p>Saturated fats = Should be cut down on in a healthy diet. Trans fats = Should be avoided completely in a healthy diet. Unsaturated fats = Provide a consistent source of energy during low intensity activities.</p> Signup and view all the answers

Which of the following is NOT a primary source of protein?

<p>Pasta (B)</p> Signup and view all the answers

All essential amino acids can be produced by the body.

<p>False (B)</p> Signup and view all the answers

What are the two types of amino acids?

<p>Essential and non-essential amino acids.</p> Signup and view all the answers

What is the recommended daily water intake for most individuals?

<p>Approximately 2 liters (A)</p> Signup and view all the answers

Mindful eating involves rushing through meals to save time.

<p>False (B)</p> Signup and view all the answers

Name two benefits of including dietary fiber in your diet.

<p>maintains feeling of fullness and lowers risk of chronic diseases</p> Signup and view all the answers

Eating regularly throughout the day helps to stabilise ______ levels.

<p>blood sugar</p> Signup and view all the answers

Which of the following is NOT an example of incorrect dietary behavior?

<p>Paying attention to hunger cues while eating (D)</p> Signup and view all the answers

Overconsumption of processed foods may be linked to an increased risk of diabetes.

<p>True (A)</p> Signup and view all the answers

Besides water, what is another type of hydrating fluid?

<p>Juice, milk, or other beverages</p> Signup and view all the answers

Match the dietary behavior with its description:

<p>Mindful Eating = Paying attention to hunger cues and savoring each bite Regular Meals = Eating at consistent times throughout the day Fibre Inclusion = Consumption of whole grains, fruits and vegetables Portion Control = Avoiding overeating</p> Signup and view all the answers

Which of the following is NOT a benefit of rehydration after exercise?

<p>Increases feelings of muscle soreness (A)</p> Signup and view all the answers

Dehydration is defined as having enough water to enable normal functioning of the body.

<p>False (B)</p> Signup and view all the answers

What is the primary purpose of rehydration?

<p>To restore hydration.</p> Signup and view all the answers

Inadequate rehydration can lead to heat-related illnesses such as heat exhaustion and heat ______.

<p>stroke</p> Signup and view all the answers

Match the following terms with their definitions:

<p>Hydration = Having enough water to enable normal functioning of the body Rehydration = Consuming water to restore hydration Dehydration = Excessive loss of body water, interrupting the functioning of the body</p> Signup and view all the answers

Which of the following is the best way to rehydrate after exercise?

<p>Consuming fluids gradually over time (B)</p> Signup and view all the answers

Body Mass Index (BMI) is used to measure a person's hydration level.

<p>False (B)</p> Signup and view all the answers

Besides water, what other type of fluids can help with rehydration and immune support?

<p>Fluids rich in vitamins and minerals.</p> Signup and view all the answers

What BMI is generally considered to be underweight?

<p>Below 18.5 (B)</p> Signup and view all the answers

Obesity is primarily caused by low energy expenditure compared to calories consumed.

<p>False (B)</p> Signup and view all the answers

Which of the following is NOT mentioned as a physical health risk associated with obesity?

<p>Improved heart health (B)</p> Signup and view all the answers

Besides BMI, what other term is used to describe people with high body fat content?

<p>obese</p> Signup and view all the answers

Obesity can contribute to mental health issues like depression and ______.

<p>anxiety</p> Signup and view all the answers

How can obesity impact an individual's social wellbeing?

<p>By leading to social isolation (D)</p> Signup and view all the answers

Match the health issue with the way obesity impacts it:

<p>Heart Disease = Hardening and narrowing of arteries Type 2 Diabetes = Interference with insulin function Breathing Difficulties = Restricted lung expansion Joint Pain = Extra stress on joints</p> Signup and view all the answers

Obesity can cause a loss of confidence.

<p>True (A)</p> Signup and view all the answers

Flashcards

Basal Metabolic Rate (BMR)

The minimum amount of energy your body needs to function at rest. This includes processes like breathing, heart beating, and brain activity.

Energy Balance

Energy intake from food and drinks should match energy used through activity. This helps maintain a healthy weight.

Caloric Energy Intake

The energy we get from food and drinks, measured in calories (kcal) or kilojoules (kJ).

Caloric Energy Expenditure

The energy we burn through physical activity, measured in calories (kcal) or kilojoules (kJ).

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Energy Requirement

The amount of calories needed per day varies. This is influenced by factors like age, gender, height, muscle mass, and activity level.

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Lean Body Mass

Muscle mass is more metabolically active than fat, meaning it burns more calories at rest.

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Physical Activity Level (PAL)

A measure of how physically active a person is. It helps determine their total energy needs.

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Energy In = Energy Out

The state of being equal between Caloric Energy Intake and Caloric Energy Expenditure. This leads to weight maintenance.

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Energy In

The amount of energy you take in from food and drink.

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Energy Out

The amount of energy you use up through physical activity and basic bodily functions.

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Energy Out > Energy In

When your body burns more calories than it takes in, you lose weight.

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Balanced Diet

A diet that includes all the necessary nutrients for optimal health and well-being.

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Nutritional Diversity

Eating diverse foods from different food groups to get all essential nutrients.

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Portion Control

Eating the right amount of calories and nutrients for your individual needs.

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Hydration

Drinking enough water to keep your body functioning properly.

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Adequate Hydration

Drinking enough fluids, like water, to support digestion, nutrient absorption, and overall bodily functions.

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Mindful Eating

Paying attention to your hunger cues, eating slowly, and enjoying each bite.

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Regular Meals and Snacking

Consuming regular, balanced meals throughout the day to stabilize blood sugar levels, provide sustained energy, and prevent unhealthy snacking.

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Dietary Fiber Intake

Including foods like whole grains, fruits, vegetables, and legumes to help maintain a feeling of fullness and potentially lower the risk of chronic diseases.

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Nutrient Imbalance

An imbalance in the intake of essential nutrients, such as carbohydrates, proteins, fats, vitamins, and minerals.

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Overconsumption of Unhealthy Foods

Consuming excessive amounts of processed foods, sugary snacks, and high-calorie, low-nutrient options, leading to potential weight gain, obesity, and increased risk of chronic diseases.

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Lack of Portion Control

Eating portions that are too large or consistently too small, disrupting energy balance and potentially leading to nutrient deficiencies or excess calorie intake.

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Inadequate Hydration

Neglecting to drink enough water, disrupting digestion, hindering nutrient absorption, and impairing overall bodily functions.

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Artery Hardening

The narrowing of arteries due to fat build-up, hindering blood flow and potentially causing heart or circulatory issues.

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Saturated Fats

Fats that are solid at room temperature, typically found in animal products like meat and dairy. Limit intake to maintain heart health.

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Trans Fats

These unhealthy fats are often created through industrial processes and found in processed foods, margarine, and some baked goods. Avoid them completely.

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Fats as Energy

The main source of energy during low-intensity, prolonged exercise, like running or swimming. These fats provide a steady energy supply over time.

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Protein's Role

Protein's primary function is to build and repair tissues, including muscles, hair, and skin. It's a secondary source of energy.

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Microtears in Muscles

Tiny tears in muscle fibers caused by physical activity. They are repaired by protein, leading to muscle growth and strength.

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Gradual Rehydration

Drinking fluids gradually over time after exercise.

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Rehydration and Recovery

Helps the body remove waste products generated during exercise, promoting recovery.

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Non-Essential Amino Acids

These amino acids are produced naturally by the body. We don't need to obtain them from the diet.

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Rehydration and Body Temperature

Rehydration helps regulate body temperature by cooling down the body after exercise, preventing overheating.

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Essential Amino Acids

Amino acids that cannot be produced by the body. We must get them from food.

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Rehydration and Future Performance

Rehydration ensures the body is prepared for future workouts, supporting cardiovascular function, muscle contraction, and energy levels.

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Rehydration and Immune function

Rehydration helps strengthen the immune system, reducing the risk of illness after strenuous activity.

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What is Body Mass Index (BMI)?

A measure of body fat based on height and weight, used to assess weight categories like underweight, overweight, and obesity.

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What is the BMI threshold for obesity?

A BMI of 30 or higher indicates obesity, meaning a high percentage of body fat.

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What are the physical health risks associated with obesity?

Obesity can lead to several health complications, including heart disease, diabetes, and joint problems due to increased stress on the body.

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How can obesity affect mental and emotional well-being?

Obesity can also affect mental and emotional well-being due to social stigma, body image concerns, and hormonal changes.

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How can obesity affect social well-being?

Obesity can lead to social isolation due to discrimination and stigma, affecting relationships and overall quality of life.

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What causes obesity?

An imbalance between calories consumed and energy expended, leading to excess body fat.

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How can obesity contribute to cancer?

Inflammation and hormonal changes caused by obesity can increase the risk of developing certain cancers.

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How does obesity affect joints?

Obesity can put extra stress on joints, leading to pain, osteoarthritis, and musculoskeletal issues due to increased weight.

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Study Notes

PE Option Year 10: Health and Wellbeing

  • Lesson 1: Eating habits
    • Energy is constantly required for movement, even when sleeping.
    • Energy is measured in kilocalories (kcal) or kilojoules (kJ).
    • Basal Metabolic Rate (BMR) is the minimum energy requirement when resting.
    • BMR varies based on age, gender, height, body composition, and energy expenditure.
    • Energy balance is the equilibrium between energy intake and expenditure.
    • Maintaining a healthy weight requires balancing energy intake and expenditure.
  • Lesson 2: A balanced diet and the Macronutrients
    • The Eatwell Guide provides a visual representation of a healthy balanced diet.
    • It emphasizes the importance of consuming from each of the 5 food groups in the right proportion.
    • Fruits and vegetables (40%)
    • Starchy carbohydrates (38%)
    • Meat, fish, and beans (12%)
    • Dairy and alternatives (8%)
    • Oils and spreads (1%)
  • Lesson 3: Other nutrients, nutrition for athletes and the water balance.
    • Vitamins are crucial for various bodily functions and immunity.
    • There are fat-soluble vitamins (stored in the body) and water-soluble vitamins (not stored and need constant supply).
  • Lesson 4: Body measurements and eating disorders.
    • Body Mass Index (BMI) is a calculation used to assess weight status based on height and weight.
    • A BMI of 18.5-24.9 is considered healthy.
  • Consequences of Dehydration
    • Reduced physical performance, impaired cognitive function, increased risk of heat-related illnesses, muscle cramps, decreased blood volume.
  • Relationship between diet and obesity.
    • Calories consumed must be balanced against expenditure.
    • Choosing nutrient-rich foods over processed foods can help in weight management.
  • Eating Disorders
    • Anorexia nervosa is a condition characterized by self-starvation.
    • Bulimia nervosa involves cycles of binge eating and purging.
  • Obesity
    • A BMI of 30 or higher is considered obese.
    • Obesity can lead to various health complications.
  • Hydration
    • Water is essential for maintaining a healthy body.
    • Athletes need to maintain proper hydration for peak performance.
  • Physical Activity
    • The impact of obesity on a person's performance.
    • Importance of regular physical activity within a balanced lifestyle.

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