SNC4M1 | Exam Review | U4 – Nutrition
UPDATED QUESTIONS AND CORRECT
ANSWERS
Six basic components that the body needs - CORRECT ANSWER Carbohydrates, Proteins,
Fats, Vitamins & Minerals
What is the purpose of carbs - CORRECT ANSWER primary source of energy
Monosaccharides - CORRECT ANSWER simple sugars
Disaccharides - CORRECT ANSWER double sugars
Polysaccharides - CORRECT ANSWER result of 3 or more monosaccharides linking together.
Some are used for energy storage, some are structural
Dietary Sources of carbs - CORRECT ANSWER grains, potatoes, breads, cereals, fruits
Protiens function - CORRECT ANSWER The functional molecules:
Help chemical reactions take place (ex. enzymes)
Repair and maintain the cell
Transport materials around the body
Dietary sources of proteins: - CORRECT ANSWER Meat, beans, nuts, seeds, milk products
Lipids functions - CORRECT ANSWER Energy: these are our long-term energy storing
molecules!
Structural: cell membrane phospholipids, cholesterol
Saturated triglycerides - CORRECT ANSWER have single bonds, solid at room temperature
, have straight chains
Unsaturated triglycerides - CORRECT ANSWER have double bonds, liquid at room
temperature
have bent chains
Function of sterols - CORRECT ANSWER used by cells to support the cell membrane, and to
make steroid hormones, vitamin D, bile salts
Obesity - CORRECT ANSWER health condition that arises from having too much body fat,
possibly leading to other complications
Sedentary lifestyle - CORRECT ANSWER 6+ hours per day sitting or lying down with little to
no exercise / physical activity
WHO definition of obesity - CORRECT ANSWER obesity for adults as a BMI of >30
Why is body fat an important meaure - CORRECT ANSWER An increase in body fat tissue is
proven to lead to serious health consequences such as:
Increase risk of cardiovascular disease, type 2 diabetes, musculoskeletal problems, cancers
Reasons for growing concerns of obesity - CORRECT ANSWER genetics, lack of physical
activity, unhealthy eating habits, not getting enough sleep, medicines
energy excess - CORRECT ANSWER our energy intake is more than our expenditure
What is a calorie - CORRECT ANSWER A unit of energy
Macronutrients - CORRECT ANSWER Needed in large amounts, Carbs, fats, proteins, Help
provide energy
UPDATED QUESTIONS AND CORRECT
ANSWERS
Six basic components that the body needs - CORRECT ANSWER Carbohydrates, Proteins,
Fats, Vitamins & Minerals
What is the purpose of carbs - CORRECT ANSWER primary source of energy
Monosaccharides - CORRECT ANSWER simple sugars
Disaccharides - CORRECT ANSWER double sugars
Polysaccharides - CORRECT ANSWER result of 3 or more monosaccharides linking together.
Some are used for energy storage, some are structural
Dietary Sources of carbs - CORRECT ANSWER grains, potatoes, breads, cereals, fruits
Protiens function - CORRECT ANSWER The functional molecules:
Help chemical reactions take place (ex. enzymes)
Repair and maintain the cell
Transport materials around the body
Dietary sources of proteins: - CORRECT ANSWER Meat, beans, nuts, seeds, milk products
Lipids functions - CORRECT ANSWER Energy: these are our long-term energy storing
molecules!
Structural: cell membrane phospholipids, cholesterol
Saturated triglycerides - CORRECT ANSWER have single bonds, solid at room temperature
, have straight chains
Unsaturated triglycerides - CORRECT ANSWER have double bonds, liquid at room
temperature
have bent chains
Function of sterols - CORRECT ANSWER used by cells to support the cell membrane, and to
make steroid hormones, vitamin D, bile salts
Obesity - CORRECT ANSWER health condition that arises from having too much body fat,
possibly leading to other complications
Sedentary lifestyle - CORRECT ANSWER 6+ hours per day sitting or lying down with little to
no exercise / physical activity
WHO definition of obesity - CORRECT ANSWER obesity for adults as a BMI of >30
Why is body fat an important meaure - CORRECT ANSWER An increase in body fat tissue is
proven to lead to serious health consequences such as:
Increase risk of cardiovascular disease, type 2 diabetes, musculoskeletal problems, cancers
Reasons for growing concerns of obesity - CORRECT ANSWER genetics, lack of physical
activity, unhealthy eating habits, not getting enough sleep, medicines
energy excess - CORRECT ANSWER our energy intake is more than our expenditure
What is a calorie - CORRECT ANSWER A unit of energy
Macronutrients - CORRECT ANSWER Needed in large amounts, Carbs, fats, proteins, Help
provide energy
