Free SACE Year 11 Nutrition Flashcard Review
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What does protein supply after digestion?
Amino acids used for tissue proteins and other functions.
What is an iron function?
Supporting haemoglobin and oxygen transport.
Does a vitamin directly supply food energy?
No; vitamins have regulatory and other roles.
State the BMI equation.
BMI = mass (kg) ÷ height (m)².
Why is BMI limited?
It does not directly measure body composition or nutrient adequacy.
How does BMR differ from daily energy needs?
Daily needs include activity and other expenditure beyond basal functions.
Name a useful label comparison basis.
The same quantity, such as per 100 g.
What is an independent variable?
The factor changed or used to define comparison groups.
What is systematic error?
A consistent bias affecting measurements or processing.
What should a conclusion address?
The question or hypothesis, with evidence and limitations.
Why use multiple evidence sources?
Independent methods can corroborate findings and reveal limitations.
Give an ethical nutrition research principle.
Protect privacy and avoid coercion or unsafe dietary changes.
What is a health halo?
One appealing feature produces an unjustified favourable judgement of the whole product.
Why compare per 100 g?
It standardises mass before considering actual portions.
What does peer review contribute?
Expert scrutiny of methods and reasoning, without guaranteeing truth.
Why use shared units?
They allow teams to compare and verify results.
What is reciprocal influence?
Nutrition guides technology and technology changes nutrition opportunities.
In a mock package marketing experiment, what is the independent variable?
The label wording deliberately changed between packages.
What is a dependent variable?
The measured outcome.
Why preserve raw data?
Readers can check variation and calculations.