Lesson 1.3.3
1.3.3 Perceptions of risk and energy balance Quiz: Pearson Edexcel Biology, Unit 1
20 questions
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Lesson 1.3.3, Perceptions of risk and energy balance: 20 multiple choice questions for the Pearson Edexcel Biology (9BI0), Unit 1: Lifestyle, Health and Risk, written with Revision Ninja.
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The 20 questions
-
What is the tendency for people to believe they are less at risk of CVD than others called?
- Recall bias
- Optimism bias
- Availability heuristic
- Confirmation bias
-
Which cognitive heuristic causes people to overestimate the risk of rare, dramatic events?
- Selection bias
- Availability heuristic
- Optimism bias
- Placebo effect
-
What is the energy content of 1 g of fat, approximately?
- 380 kJ
- 4 kJ
- 38 kJ
- 17 kJ
-
A person has a daily excess intake of 1000 kJ. How much fat is stored over 7 days?
- 184 g
- 26 g
- 700 g
- 1840 g
-
What occurs when a person's energy intake exceeds their total energy expenditure over time?
- Constant weight
- Weight gain
- Muscle atrophy
- Weight loss
-
What medical condition is a direct long-term consequence of a positive energy balance?
- Obesity
- Anorexia
- Scurvy
- Hypothermia
-
What do health studies primarily calculate energy budget data to monitor?
- Blood pressure
- Enzyme activity
- Genetic mutation
- Energy imbalance
-
Why does a correlation between fast food and high BMI fail to prove direct causation?
- Sample size is large
- Data is continuous
- Measurement is accurate
- Confounding variables exist
-
A person has a BMI of 35 and a waist-to-hip ratio of 1.0. What is their health status?
- High CVD risk
- Ideal body weight
- Underweight
- Low CVD risk
-
What psychological factor leads people to underestimate lifestyle health risks?
- Scientific literacy
- Sense of control
- High anxiety
- Statistical training
-
Why are long-term dietary health risks often perceived as less serious than dramatic events?
- They are genetically determined
- They affect public health
- They happen instantly
- Risks accumulate gradually
-
What happens to body mass when daily energy intake equals daily energy expenditure?
- Increases rapidly
- Fluctuates wildly
- Decreases steadily
- Remains constant
-
What term describes the minimum energy expended by the body at rest to maintain vital functions?
- Active metabolic rate
- Basal metabolic rate
- Total daily expenditure
- Specific dynamic action
-
Which measurement is divided by height squared to calculate Body Mass Index?
- Body fat percentage
- Basal metabolic rate
- Waist circumference
- Body mass
-
How do people typically perceive common, familiar health risks compared to rare dramatic ones?
- They evaluate them accurately
- They overestimate them
- They underestimate them
- They ignore them entirely
-
How does a perceived lack of individual control affect a person's risk perception?
- Risk is underestimated
- Risk remains accurate
- Risk is ignored
- Risk is overestimated
-
A person eats 500 kJ more than they expend each day for 28 days. Approximately how much stored energy has been added?
- 500 kJ
- 140 000 kJ
- 1 400 kJ
- 14 000 kJ
-
Which state is created when daily energy intake is less than daily energy expenditure?
- Negative energy balance
- Positive energy balance
- Basal metabolic equilibrium
- Zero energy balance
-
What change in average body weight occurs over time during a negative energy balance?
- Rapid fluctuation
- No change
- Weight loss
- Weight gain
-
Which health indicator is calculated by dividing mass in kilograms by height in metres squared?
- Body fat percentage
- Body mass index
- Waist-to-hip ratio
- Basal metabolic rate
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