Lesson 7.5.2
7.5.2 Effects of too much and too little exercise Quiz: Pearson Edexcel Biology, Unit 7
20 questions
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Lesson 7.5.2, Effects of too much and too little exercise: 20 multiple choice questions for the Pearson Edexcel Biology (9BI0), Unit 7: Run for your Life, written with Revision Ninja.
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The 20 questions
-
What is a physical consequence of excessive high-impact exercise on joints?
- Cartilage damage
- Enhanced tendon flexibility
- Increased bone density
- Decreased muscle mass
-
What effect does prolonged, strenuous exercise have on the immune system?
- Temporary suppression
- No effect
- Permanent enhancement
- Increased antibody production
-
Which condition is directly increased by a lack of physical exercise?
- Joint wear
- Immune suppression
- Obesity
- High peak flow
-
Which disease is most strongly associated with a sedentary lifestyle?
- Osteoarthritis
- Cardiovascular disease
- Cystic fibrosis
- Type 1 diabetes
-
What does a link between low exercise and high diabetes rate demonstrate?
- Correlation
- Absolute proof
- Causation
- Direct mechanism
-
What term describes a relationship where one variable directly brings about another?
- Probability
- Correlation
- Causation
- Standard deviation
-
As exercise time increases, body mass index decreases. What relationship is this?
- Negative correlation
- Direct causation
- Zero correlation
- Positive correlation
-
Which mechanical factor causes cartilage wear in long-distance runners?
- Low-frequency stretching
- Constant isometric tension
- Repeated high-impact loading
- Reduced joint friction
-
Which health issue is directly caused by excessive intense exercise?
- Immune suppression
- Type 2 diabetes
- Obesity
- High blood pressure
-
In a study linking inactivity to heart disease, what is age classified as?
- Control variable
- Dependent variable
- Independent variable
- Confounding variable
-
What is the main purpose of a control group in exercise studies?
- Eliminate all variables
- Increase sample size
- Provide a baseline
- Prove absolute safety
-
Which health issues are commonly linked to excessive, high-intensity exercise?
- Obesity
- Joint damage
- Type 2 diabetes
- Kidney stones
-
How does exercise volume relate to overall health risk?
- No health risks ever
- Constant high risk
- Linear decrease in risk
- Risks at extremes
-
Which study design best investigates whether physical inactivity causes cardiovascular disease?
- Retrospective case report
- Cross-sectional survey
- Uncontrolled trial
- Prospective cohort study
-
Which format is best used to present categorical data like activity levels?
- Scatter graph
- Flow diagram
- Line graph
- Bar chart
-
Calculate the relative risk of diabetes in inactive adults (30%) compared to active adults (10%).
- 3
- 0.33
- 20
- 2
-
What effect does prolonged, high-intensity exercise typically have on the immune system?
- Cell destruction
- Immune stimulation
- Immune suppression
- No change
-
Which injury type is most commonly caused by excessive exercise in developing bones?
- Rickets
- Stress fracture
- Osteoporosis
- Osteoarthritis
-
Why does exercise reduce cardiovascular disease risk rather than preventing it completely?
- Inevitable ageing
- Single gene mutation
- Multifactorial cause
- Incurable nature
-
What is the relationship between a sedentary lifestyle and cardiovascular disease risk?
- Decreased risk
- Increased risk
- Total immunity
- No effect
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