NSD 225 EXAM 1 QUESTIONS AND
100% CORRECT ANSWERS
nsd 225 exam 1
steps of the scientific method
1. Curiously observe patterns and relationships
2. Review prior knowledge and form a hypothesis
3. Conduct controlled experiments, observations, and research of prior data
4. Analyze data and observations
5. Draw a conclusion from the results
6. Share findings with the scientific community
, purpose of the scientific method
we use it as a process to study about our body and our needs and food claims
What are the three macronutrients?
carbohydrates, fats, proteins
How many calories are in carbohydrates?
4 calories per gram
How many calories are in fats?
9 calories per gram
How many calories are in proteins?
4 calories per gram
What components make up simple carbohydrates?
usually have 1-2 sugar molecules
easy for your body to break down for energy or glucose
found in items that are sweet such as honey, sugar, syrup, etc.
What components make up fats?
Trans fat: should be cut out of diet. Comes from hydrogenating or adding hydrogen molecules to
food
Saturated fat; Does not have any bends, caused by double bonds. Known to increase cholesterol
levels and can increase risk for heart disease. Found mostly in animal sources.
Unsaturated fat: has at least one double bond causing bends in the molecule. Mono
unsaturated fats have one double bond while poly unsaturated fats have many.
allow you to store energy, cushion organs, make certain hormones, absorb fat-soluble vitamins,
and helps with cell-membrane integrity
What components make up proteins?
composed of essential and non-essential amino acids
allows your body to grow, build, and repair muscle tissue
essential amino acids are required to ingest through your diet; non-essential is produced in your
body on its own
100% CORRECT ANSWERS
nsd 225 exam 1
steps of the scientific method
1. Curiously observe patterns and relationships
2. Review prior knowledge and form a hypothesis
3. Conduct controlled experiments, observations, and research of prior data
4. Analyze data and observations
5. Draw a conclusion from the results
6. Share findings with the scientific community
, purpose of the scientific method
we use it as a process to study about our body and our needs and food claims
What are the three macronutrients?
carbohydrates, fats, proteins
How many calories are in carbohydrates?
4 calories per gram
How many calories are in fats?
9 calories per gram
How many calories are in proteins?
4 calories per gram
What components make up simple carbohydrates?
usually have 1-2 sugar molecules
easy for your body to break down for energy or glucose
found in items that are sweet such as honey, sugar, syrup, etc.
What components make up fats?
Trans fat: should be cut out of diet. Comes from hydrogenating or adding hydrogen molecules to
food
Saturated fat; Does not have any bends, caused by double bonds. Known to increase cholesterol
levels and can increase risk for heart disease. Found mostly in animal sources.
Unsaturated fat: has at least one double bond causing bends in the molecule. Mono
unsaturated fats have one double bond while poly unsaturated fats have many.
allow you to store energy, cushion organs, make certain hormones, absorb fat-soluble vitamins,
and helps with cell-membrane integrity
What components make up proteins?
composed of essential and non-essential amino acids
allows your body to grow, build, and repair muscle tissue
essential amino acids are required to ingest through your diet; non-essential is produced in your
body on its own
