Lesson 8.7.1
8.7.1 Genome sequencing, personalised medicine and ethics Quiz: Pearson Edexcel Biology, Unit 8
20 questions
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Lesson 8.7.1, Genome sequencing, personalised medicine and ethics: 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
-
What does genome sequencing determine in an organism's DNA?
- Amino acid sequence
- Chromosome number
- Protein tertiary structure
- Order of bases
-
What is the definition of personalised medicine in healthcare?
- Universal drug treatment
- Tailored genetic healthcare
- Mass vaccination programmes
- Gene replacement therapy
-
How does genome sequencing help doctors choose the best drug?
- Cures genetic mutations
- Predicts drug response
- Prevents drug breakdown
- Synthesises targeted drugs
-
Which technology made genome sequencing significantly faster and cheaper?
- Polymerase chain reaction
- Gel electrophoresis
- Next-generation sequencing
- DNA microarrays
-
What is a major ethical concern regarding stored genomic data?
- Data privacy breaches
- Slow processing speeds
- Inaccurate sequence data
- High storage costs
-
Which ethical issue is created by high costs of personalised treatments?
- Genetic discrimination
- Lack of consent
- Inaccurate diagnostic testing
- Unequal healthcare access
-
What should personalised medicine provide if a drug is predicted to fail?
- Unchanged drug regimen
- Immediate gene therapy
- Increased drug dosage
- Alternative drug treatment
-
Why is identifying disease risk before symptoms appear beneficial?
- Cures genetic defects
- Reverses gene mutations
- Enables early intervention
- Guarantees total immunity
-
Why does genome sequencing rarely predict complex diseases with total certainty?
- Genes degrade rapidly
- DNA sequences mutate
- Sequencing is inaccurate
- Environmental factors contribute
-
Which situation represents an example of genetic discrimination?
- Failed gene therapy
- Ineffective drug prescriptions
- Random gene mutations
- Unfair insurance terms
-
What is the primary purpose of informed consent in genome sequencing?
- Protecting physical samples
- Guaranteeing test accuracy
- Reducing sequencing costs
- Ensuring participant agreement
-
What does finding a gene variant associated with a disease mean?
- Certain disease outcome
- Direct single cause
- Complete disease immunity
- Increased disease risk
-
How did the Human Genome Project support personalised medicine?
- Eradicated genetic diseases
- Created gene editing
- Automated drug manufacturing
- Provided reference sequence
-
Which factor most limits the widespread use of personalised medicine?
- High overall cost
- Lack of DNA
- Low genetic diversity
- Inaccurate sequencing techniques
-
What type of genetic test determines how a patient processes a drug?
- Pharmacogenetic test
- Blood glucose test
- Serological antibody test
- DNA fingerprinting test
-
Which ethical issue involves sharing individual genetic data without explicit consent?
- Genetic discrimination
- Gene silencing
- Breach of privacy
- DNA degradation
-
A genetic test result showing a 30% chance of disease represents a measure of what?
- Absolute certainty
- Zero probability
- Guaranteed diagnosis
- Disease risk
-
What factor could prevent equal patient access to personalised medicines?
- Faster approval times
- Increased DNA stability
- Low drug specificity
- High treatment costs
-
How many sequencing runs are needed to read 5 million fragments if one run reads 1 million?
- 10 runs
- 50 runs
- 1 run
- 5 runs
-
Which ethical issue refers to using genetic data to deny insurance or employment?
- Somatic therapy
- Informed consent
- Gene editing
- Genetic discrimination
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