LD50
5 factors
Pot Luck
My Plate
Food Groups
100
addiction
What is a physical dependence on a substance?
100
potency
What is the "strength" of a chemical substance on an organism
100
The relationship between toxicity & dose
the more toxic, the smaller the dose
100
foods that have little or no nutritional value?
What are empty calories?
100
eggs would be considered high in....
What is a food high in protein?
200
The lower the LD 50
What is the more toxic it becomes?
200
dose
What is the amount of a chemical substance that is introduced into an organism?
200
Meat/Protein, dairy, veggies, fruits, grains
What are the 5 food groups?
200
Vegetables are classified into 5 categories based on what?
What is the nutrient level?
200
one of 3 benefits of eating fruit
prevent obesity, reduce the risk of heart disease, reduce the risks of certain types of cancer
300
The amount of a substance needed that kills 50% of the test population.
What is LD 50?
300
Exposure time
What is how long an individual is exposed to a chemical?
300
These systems work together to deliver nutrients to the cells
What is the respiratory and circulatory system?
300
Healthier than enriched grains
What are whole grains?
300
oatmeal falls into this food group.
What is a grain/ whole grain?
400
Ranking substances from ______ to ______ Sugar - LD 50 -30,000 mg/kg Caffeine - LD 50 -140 mg/kg arsenic - LD 50 -15 mg/kg
What are substances ranked from least toxic to most toxic?
400
Individual susceptibility
What refers to how an organism responds to a particular chemical substance?
400
This can affect thought processes and slow reaction time
What is drinking alcohol?
400
To choose the healthy type of this My Plate item you dairy items that are
What are low fat?
400
Syrup would be a food likely to be high in....
What is a food high in sugar?
500
mg/kg of body mass
What is the units for expressing LD 50 ?
500
Concentration
What refers to the amount of a substance in a given volume?
500
a substance that causes a change in a persons body or behavior
What is a drug?
500
A person can't consume milk
What is lactose intolerant?
500
Cheese (be careful) would likely be high in....
What is a food which has fat and protein?
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