IPHY 2420 Nutrition Exam UPDATED
ACTUAL QUESTIONS AND CORRECT
ANSWERS
What is nutrition? - CORRECT ANSWER The study of food and how it nourishes the body and
affects health.
When was the first vitamin discovered and which one? - CORRECT ANSWER 1910, Vitamin
B1 (thiamin).
What is a nutrient? - CORRECT ANSWER A chemical in food essential for growth and
function.
Name the 6 essential nutrient groups. - CORRECT ANSWER Carbohydrates, fats, proteins,
vitamins, minerals, water.
Which nutrients provide energy? - CORRECT ANSWER Carbohydrates, fats, proteins.
How many kcal per gram of carbohydrate? - CORRECT ANSWER 4 kcal.
How many kcal per gram of protein? - CORRECT ANSWER 4 kcal.
How many kcal per gram of fat? - CORRECT ANSWER 9 kcal.
How many kcal do vitamins and minerals provide? - CORRECT ANSWER 0 kcal.
What does protein contain that carbs and fat do not? - CORRECT ANSWER Nitrogen.
What causes deficiency diseases? - CORRECT ANSWER Too little of a nutrient.
,What causes toxicity diseases? - CORRECT ANSWER Too much of a nutrient.
Scurvy is caused by deficiency of what? - CORRECT ANSWER Vitamin C.
Rickets is caused by deficiency of what? - CORRECT ANSWER Vitamin D.
Iron deficiency causes what condition? - CORRECT ANSWER Iron-deficiency anemia.
Name diseases strongly linked to nutrition. - CORRECT ANSWER CVD, type 2 diabetes,
stroke, obesity.
Name diseases somewhat linked to nutrition. - CORRECT ANSWER Some cancers,
osteoporosis, depression.
What is BMI formula? - CORRECT ANSWER Weight (kg) ÷ height (m²).
Obesity is defined as what BMI? - CORRECT ANSWER ≥30.
Healthy BMI range? - CORRECT ANSWER 18.5-24.9.
What does BMI NOT account for? - CORRECT ANSWER Body composition, fat patterning,
age, ethnicity.
Apple fat distribution is associated with what? - CORRECT ANSWER Higher chronic disease
risk.
Define energy balance. - CORRECT ANSWER Calories in = calories out.
Negative energy balance leads to what? - CORRECT ANSWER Weight loss.
Positive energy balance leads to what? - CORRECT ANSWER Weight gain.
, Is obesity usually caused by one factor? - CORRECT ANSWER No, it is multifactorial.
Name non-diet factors affecting weight. - CORRECT ANSWER Genetic, metabolic,
behavioral, cultural, economic, social.
What is a nutrient-dense food? - CORRECT ANSWER High nutrients, low calories.
Give examples of nutrient-dense foods. - CORRECT ANSWER Vegetables, fruits.
What are empty calories? - CORRECT ANSWER Calories from solid fats and added sugars.
Examples of empty-calorie foods? - CORRECT ANSWER Soda, candy, cake.
What makes a diet adequate? - CORRECT ANSWER Enough nutrients and energy.
What makes a diet moderate? - CORRECT ANSWER Proper portion sizes.
What makes a diet balanced? - CORRECT ANSWER Correct nutrient combinations.
What makes a diet varied? - CORRECT ANSWER Eating many different foods daily.
What is EAR? - CORRECT ANSWER Meets needs of 50% of healthy people.
What is RDA? - CORRECT ANSWER Meets needs of 97-98% of healthy people.
What is UL? - CORRECT ANSWER Highest safe intake level.
What is AMDR for carbohydrates? - CORRECT ANSWER 45-65%.
ACTUAL QUESTIONS AND CORRECT
ANSWERS
What is nutrition? - CORRECT ANSWER The study of food and how it nourishes the body and
affects health.
When was the first vitamin discovered and which one? - CORRECT ANSWER 1910, Vitamin
B1 (thiamin).
What is a nutrient? - CORRECT ANSWER A chemical in food essential for growth and
function.
Name the 6 essential nutrient groups. - CORRECT ANSWER Carbohydrates, fats, proteins,
vitamins, minerals, water.
Which nutrients provide energy? - CORRECT ANSWER Carbohydrates, fats, proteins.
How many kcal per gram of carbohydrate? - CORRECT ANSWER 4 kcal.
How many kcal per gram of protein? - CORRECT ANSWER 4 kcal.
How many kcal per gram of fat? - CORRECT ANSWER 9 kcal.
How many kcal do vitamins and minerals provide? - CORRECT ANSWER 0 kcal.
What does protein contain that carbs and fat do not? - CORRECT ANSWER Nitrogen.
What causes deficiency diseases? - CORRECT ANSWER Too little of a nutrient.
,What causes toxicity diseases? - CORRECT ANSWER Too much of a nutrient.
Scurvy is caused by deficiency of what? - CORRECT ANSWER Vitamin C.
Rickets is caused by deficiency of what? - CORRECT ANSWER Vitamin D.
Iron deficiency causes what condition? - CORRECT ANSWER Iron-deficiency anemia.
Name diseases strongly linked to nutrition. - CORRECT ANSWER CVD, type 2 diabetes,
stroke, obesity.
Name diseases somewhat linked to nutrition. - CORRECT ANSWER Some cancers,
osteoporosis, depression.
What is BMI formula? - CORRECT ANSWER Weight (kg) ÷ height (m²).
Obesity is defined as what BMI? - CORRECT ANSWER ≥30.
Healthy BMI range? - CORRECT ANSWER 18.5-24.9.
What does BMI NOT account for? - CORRECT ANSWER Body composition, fat patterning,
age, ethnicity.
Apple fat distribution is associated with what? - CORRECT ANSWER Higher chronic disease
risk.
Define energy balance. - CORRECT ANSWER Calories in = calories out.
Negative energy balance leads to what? - CORRECT ANSWER Weight loss.
Positive energy balance leads to what? - CORRECT ANSWER Weight gain.
, Is obesity usually caused by one factor? - CORRECT ANSWER No, it is multifactorial.
Name non-diet factors affecting weight. - CORRECT ANSWER Genetic, metabolic,
behavioral, cultural, economic, social.
What is a nutrient-dense food? - CORRECT ANSWER High nutrients, low calories.
Give examples of nutrient-dense foods. - CORRECT ANSWER Vegetables, fruits.
What are empty calories? - CORRECT ANSWER Calories from solid fats and added sugars.
Examples of empty-calorie foods? - CORRECT ANSWER Soda, candy, cake.
What makes a diet adequate? - CORRECT ANSWER Enough nutrients and energy.
What makes a diet moderate? - CORRECT ANSWER Proper portion sizes.
What makes a diet balanced? - CORRECT ANSWER Correct nutrient combinations.
What makes a diet varied? - CORRECT ANSWER Eating many different foods daily.
What is EAR? - CORRECT ANSWER Meets needs of 50% of healthy people.
What is RDA? - CORRECT ANSWER Meets needs of 97-98% of healthy people.
What is UL? - CORRECT ANSWER Highest safe intake level.
What is AMDR for carbohydrates? - CORRECT ANSWER 45-65%.
