Basic Nutritional Concepts

Question 1

What is nutrition?

Answer 1

The science of the nutrients in foods and their impact on the body.

Nutrition also considers dietary choices and relevant human behaviors.

Question 2

What is the importance of nutrition for health and athletic performance?

Answer 2

Poor nutrition is a leading risk factor for chronic diseases and death.

Being overweight or obese increases the risk of conditions like cardiovascular disease, kidney disease, and diabetes.

Question 3

What are Registered Dietitians or Registered Dietitian Nutritionists (RDs or RDNs)?

Answer 3

Individuals who earn bachelor’s degrees in nutrition and dietetics, complete a supervised clinical practice internship, pass a national examination, and maintain continuing education credits.

Question 4

What services are RDs legally allowed to provide?

Answer 4

Specific nutrition prescriptions.

Personal trainers can provide basic nutrition recommendations and cite published dietary guidelines.

Question 5

What is energy balance?

Answer 5

Occurs when energy intake equals energy expenditure, resulting in stable body weight.

Question 6

What is a calorie?

Answer 6

A measurement of heat energy in food, commonly referred to simply as ‘calories’.

Technically, one kilocalorie is the energy needed to raise the temperature of 1 kg of water by 1 degree Celsius.

Question 7

What happens in a negative energy balance?

Answer 7

Body weight decreases when energy intake is less than energy expenditure.

Question 8

What is Total Daily Energy Expenditure (TDEE)?

Answer 8

The amount of energy expended in a 24-hour period, affected by activity levels and lifestyle factors.

Question 9

What are the three main components of TDEE?

Answer 9

• Basal metabolism
• Physical activity
• Thermic effect of food (TEF)

Question 10

What is the thermic effect of food (TEF)?

Answer 10

The energy required to process food, accounting for about 10% of total energy expenditure.

Question 11

Which macronutrient has the highest thermic effect?

Answer 11

Protein, increasing metabolism by 15-30% after ingestion.

Question 12

What is NEAT?

Answer 12

Non-Exercise Activity Thermogenesis, which is energy burned through day-to-day activities aside from intentional exercise.

Question 13

What is the Basal Metabolic Rate (BMR)?

Answer 13

The energy used to maintain life at complete rest, accounting for 50-65% of total energy expenditure.

Question 14

How is BMR typically measured?

Answer 14

In a lab setting via indirect calorimetry after an overnight stay.

Question 15

What is the Harris-Benedict equation used for?

Answer 15

To estimate an individual’s BMR based on gender, height, and weight.

Question 16

What is a low-calorie diet typically defined as?

Answer 16

A diet involving a 500-750 calorie deficit from an individual’s TDEE.

Question 17

What factors influence diet adherence?

Answer 17

• Keeping a food log
• Choosing a diet that fits individual food preferences.

Question 18

What are the three macronutrients?

Answer 18

• Carbohydrates
• Fat
• Protein

Question 19

How many calories per gram do macronutrients provide?

Answer 19

Each macronutrient provides a different number of calories per gram, contributing to total dietary intake.

Specific calorie values per gram are: Carbohydrates - 4 kcal/g, Protein - 4 kcal/g, Fat - 9 kcal/g.

Question 20

What are the three macronutrients present in foods?

Answer 20

Carbohydrates, fat, and protein

Question 21

How many calories does one gram of carbohydrate contain?

Answer 21

4 calories

Question 22

How many calories does one gram of protein contain?

Answer 22

4 calories

Question 23

How many calories does one gram of fat contain?

Answer 23

9 calories

Question 24

What is the calorie density of fat compared to carbohydrates and protein?

Answer 24

Fat is more calorie dense, containing more than twice the calories

Question 25

What is the most important factor for weight loss according to research?

Answer 25

Caloric intake and sufficient protein intake

Question 26

Does the success of a diet depend on being lower in carbohydrates or fats?

Answer 26

No, adherence to a caloric deficit is the key factor

Question 27

How many calories does one gram of alcohol (ethanol) contain?

Answer 27

7 calories

Question 28

What are the total calories in a 12 fluid ounce serving of beer?

Answer 28

153 calories

Question 29

What are the total calories in a 12 fluid ounce serving of light beer?

Answer 29

103 calories

Question 30

What are the total calories in a 5 fluid ounce serving of red wine?

Answer 30

125 calories

Question 31

What are the total calories in a 1 fluid ounce serving of spirits?

Answer 31

82 calories

Question 32

What is essential for transporting nutrients and regulating body temperature?

Answer 32

Water

Question 33

What is the estimated fluid loss during each hour of exercise?

Answer 33

1.5 liters or more

Question 34

What are the recommended water intake levels for adult men and women?

Answer 34

3 liters for men and 2.2 liters for women

Question 35

What is hyponatremia?

Answer 35

A condition caused by low sodium levels, leading to nausea, confusion, fatigue, and muscle weakness

Question 36

What are important electrolytes lost in sweat?

Answer 36

Sodium, potassium, calcium, and magnesium

Question 37

What is the ketogenic diet?

Answer 37

A high fat, very low carbohydrate diet aiming to establish ketosis

Question 38

What percentage of total calories comes from carbohydrates in a ketogenic diet?

Answer 38

Less than 10%

Question 39

What is the primary fuel source in ketosis?

Answer 39

Fat

Question 40

What does the Paleolithic diet eliminate?

Answer 40

Processed foods

Question 41

What foods are emphasized in the paleo diet?

Answer 41

Meat, vegetables, fruits, and nuts

Question 42

What does a vegan diet eliminate?

Answer 42

All forms of animal products

Question 43

What nutrients can be of concern on a vegan diet?

Answer 43

Protein, vitamin B12, vitamin D, iron, and calcium

Question 44

What do vegetarian diets typically include?

Answer 44

Dairy and eggs, depending on the type of vegetarianism

Question 45

What is a plant-based diet?

Answer 45

A diet emphasizing plant-based foods, with some flexibility regarding animal products

Question 46

What is intermittent fasting?

Answer 46

A style of eating involving periods of fasting followed by eating windows

Question 47

What is essential for weight loss regardless of diet type?

Answer 47

A caloric deficit

Question 48

What is one recommendation for clients looking to lose weight?

Answer 48

Drink plenty of water throughout the day

Question 49

What should clients focus on to gain weight?

Answer 49

Increase overall calories and focus on protein

Question 50

What should be limited to improve overall health?

Answer 50

Alcohol consumption, empty calories, and ultra-processed foods

Question 51

What is the primary focus of protein in nutrition?

Answer 51

To support muscle building and recovery ## Footnote Protein is essential for repairing and building muscle tissues after exercise.

Question 52

How can an individual increase their overall caloric intake?

Answer 52

By increasing portion sizes at meals and snacks ## Footnote This can include adjustments in carbohydrates, protein, and fats.

Question 53

What is the role of the personal trainer in relation to nutrition?

Answer 53

Centered around exercise and must consider scope of practice before offering nutrition recommendations ## Footnote Personal trainers should avoid providing specific dietary advice.

Question 54

What does TDEE stand for?

Answer 54

Total Daily Energy Expenditure ## Footnote TDEE is calculated using gender, height, weight, and activity levels.

Question 55

What can TDEE help determine?

Answer 55

A caloric deficit or surplus for weight loss or gain ## Footnote Knowing TDEE assists in setting realistic dietary goals.

Question 56

What is a recommended daily water intake for clients?

Answer 56

9-13 cups, and sometimes more depending on sweat rate ## Footnote Hydration is critical, especially for those who sweat heavily.

Question 57

What factors are most important for weight loss success according to research?

Answer 57

Caloric intake and adherence to the diet ## Footnote Personal preferences and habits should be considered before starting any restrictive diet.

Question 58

What should personal trainers do when it comes to diagnosing or treating nutritional issues?

Answer 58

Refer clients to a registered dietitian ## Footnote Personal trainers are limited in their ability to make detailed nutritional recommendations.

Question 59

True or False: Personal trainers can provide specific dietary approaches.

Answer 59

False ## Footnote Personal trainers should provide general healthy eating recommendations instead.