Lesson 8.5.2
8.5.2 Animal models and ethics of animal research Quiz: Pearson Edexcel Biology, Unit 8
20 questions
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Lesson 8.5.2, Animal models and ethics of animal research: 20 multiple choice questions for the Pearson Edexcel Biology (9BI0), Unit 8: Grey Matter, written with Revision Ninja.
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The 20 questions
-
Why are animal models used to study human neural development?
- Human ethical restrictions
- Identical human genetics
- Lower research cost
- Faster cell division
-
Which two animal species were used by Hubel and Wiesel to investigate visual cortex development?
- Frogs and pigeons
- Kittens and monkeys
- Rats and mice
- Dogs and rabbits
-
What visual feature do individual neurones in the primary visual cortex respond to selectively?
- Sound frequency
- Overall brightness
- Glucose concentration
- Line orientation
-
Which 3Rs ethical principle involves using the minimum number of animals necessary for valid results?
- Refinement
- Replacement
- Reduction
- Recycling
-
Which 3Rs ethical principle involves using cell cultures or computer models instead of live animals?
- Refinement
- Reduction
- Replacement
- Rehabilitation
-
Which 3Rs principle aims to minimise animal pain and suffering during research?
- Reduction
- Refinement
- Recycling
- Replacement
-
Which ethical framework justifies animal research if overall benefits exceed harms?
- Absolutism
- Rights-based ethics
- Virtue ethics
- Utilitarianism
-
Which ethical viewpoint holds that animals have intrinsic rights against research use?
- Egoism
- Rights-based ethics
- Utilitarianism
- Relativism
-
Hubel and Wiesel studied visual cortex development using which animal model?
- Nematodes
- Rhesus macaques
- Kittens
- Fruit flies
-
Why must animal models share biological mechanisms with humans?
- To accelerate cloning
- To reduce costs
- To avoid licensing
- To generalise results
-
What main limitation exists when applying mouse brain research to humans?
- Brain complexity differences
- Different cell types
- Identical genetic code
- Lack of neurones
-
Which ethical framework must UK animal researchers apply before project licensing?
- The 5Rs
- The 4Ds
- The 3Cs
- The 3Rs
-
Which technique did Hubel and Wiesel use to measure cortical response in kittens?
- Recording neurone responses
- Gel electrophoresis
- CT brain scanning
- DNA sequencing
-
Why is research on monkeys often considered more ethically complex than on rats?
- Simpler social structure
- Shorter lifespan
- Faster reproduction
- Greater brain complexity
-
Why must an appropriate animal model be selected for human medical research?
- To eliminate all ethics
- To ensure validity
- To speed up breeding
- To reduce study costs
-
Which 3Rs principle focuses on using the minimum number of animals required?
- Refinement
- Replacement
- Reduction
- Restoration
-
Ethical reduction requires balancing minimum animal numbers with which design factor?
- Statistical validity
- Total elimination
- Maximum sample size
- Qualitative narrative
-
Why is the claim that animal research is always justified considered oversimplified?
- Guarantees cures
- Ignores ethical harms
- Requires zero animals
- Proves animal rights
-
Improving animal housing to reduce distress is an example of which principle?
- Replacement
- Replication
- Refinement
- Reduction
-
Using cell cultures instead of living animals demonstrates which 3Rs principle?
- Reduction
- Recycling
- Refinement
- Replacement
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