Midterm (Chapter 1-3) Flashcards
Nutrition is the study of:
Nutrients in foods
How nutrients are used in the body
Human behaviours related to food
Definition of food
any substance your body can take in and keep you alive (and to gain nourishment)
What is food a carrier of?
Nutrients
Definiton of diet
The food and beverages you normally consume
Definition of nutrients
The components in food that our body needs for optimal function
What are two big factors that can change your diet / eating choices?
Moving out & how you feel (sad, happy…)
What runs low when you haven’t ate in a while?
Glucose
What are the two categories that nutrients can be put in?
Energy providing nutrients
Non-energy providing nutrients
What are the energy providing nutrients?
Carbohydrates
Fat (liquids)
Protein
What are the non-energy providing nutrients?
Water
Vitamins
Minerals
What nutrient gives the most energy per gram?
Liquids (fats)
Why do ultra processed food make us eat more?
Ultra processed food are digested quick –> leaves stomach quicker –> hungrier sooner
Definition of essential nutrients
Nutrients that must come from food because the body doesn’t make sufficient quantities
Definition of non-essential nutrients
Nutrients that the body is able to make sufficient amounts of for optimal health (don’t need food intake for it)
Definition of conditionally essential nutrients
Nutrients the body can usually make enough of
however, during specific periods (illness, injury, puberty…) the body does need food intake to help meet its needs
What is a kilocalorie?
1,000 calories
What is another word for kilocalorie?
Calorie (with a capital C)
What is the definition of kilocalorie / Calorie?
the amount of heat energy required to raise the temperature of one litre (L) of water by one degree celcius
What is the definition of calorie?
The amount of heat enegry required to raise the temperature of one millilitre (ml) of water by one degree celcius
Definition of availability?
Do you have access to certain foods at your local grocery store?
Definition of cost?
Are the foods affordable?
Definition of convenience?
If you need to eat your meal at school or on the run, does the food meet that need?
Example of food choice: emotional
ice cream after a break-up
Example of food choice: social
Wine night with friends
What is better, healthy fats or saturated fats
Healthy fats
How are the ingredients for food listed on nutrition labels
By weight, most to least
What does the list of ingredients contain
Allergy information, certain nutrient infromation
What are changes to the ingredient list?
grouping sugar-based ingredients in brackets
What is a food allergy involve?
it involves an immune response to a food substance
What is happening when someone has an allergic reaction
A food protein is mistakenly identified by the immune system as being harmful
What is the antibodies created by the immune system called?
Immunoglobulin E (IgE)
What is histamine
It is a powerful chemical that can cause a reaction in the respiratory system, cardiovascular system, skin, or gastroinestinal tract
What is celiac disease?
a genetic disease that is triggered by gluten
how do you treat celiac disease?
gluten-free diet
How do you cure allergies?
You can’t, you just have to avoid the specific food responsible
What are symptoms of food allergies?
Skin, respiratory, gastrointestinal, cardiovascular…
What could potentially happen if a food manufacturer fails to declare the presence of priority allergens?
Food recall
Does food intolerance involve the immune system?
No, it does not involve the immune system
What is lactose intolerance?
impaired ability to digest lactose (yogurt, cheese, milk…)
What can help with lactose intolerance?
Lactaid pills / drops, consuming food that contain lactose instead of beverages, consuming lactose foods within meals (with other foods)
What is nutrition quackery?
Nutrition misinfromation
What are the 10 ways to spot nutrition quackery?
Sounds too good to be true
Make you suspisious about food supply
Testimonials
Fake credentials
Whole food groups are eliminated
Meaningless medical jargon
Use of word “natural”
Pushes megadoses of supplements
“supplements” and “health foods” are recommended to everyone
Offer special tests to determine your nutritional status
What is the difference between a nutritionist vs dietitian?
Nutritionist isn’t regulated in Manitoba
Dietitian is regulated by Manitoba, need a undergrad in HNSC and to pass canadian dietetic registation exam
Where does your food come from?
Farm –> Food processor –> distributor –> grocery store –> consumer
What is food processor?
Where food is cleaned and sorted for preperation for shipping / producing packaged food
What is the distributor role?
A company who transports food to sellers (by plane, train, truck)
What is the sellers role?
Where food can be purchased by the consumer (grocery store, resteraunt…)
What is organic farming?
Growing crops / raising livestock with minimal harm to the environment to be sustainable (no synthetic chemicals used)
What is soil management?
Prevent topsoil from eroding
Is organic farming chemical free?
No
Is the organic label in Canada regulated?
Yes
Is there a safety or nutrition benefit (organic vs non-organic foods)
No