OCR A Level Biology B (Advancing Biology)
OCR A Level Biology B (Advancing Biology) The Effect of Ageing on the Nervous System Exam Questions
Free OCR A Level Biology B (Advancing Biology) exam questions on The Effect of Ageing on the Nervous System, with mark schemes. Covers age-related decline, dementia, Alzheimer's and Parkinson's disease.
The Effect of Ageing on the Nervous System exam questions
1 question pack of real past exam questions with its mark scheme. Answer every question without notes, then mark your answers line by line against the mark scheme.
StemUp mark scheme flashcards
A Level Biology Flashcards
Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Pick your exam board, then test yourself with the questions on this page.
View flashcards
About OCR A Level Biology B (Advancing Biology) The Effect of Ageing on the Nervous System
This topic covers how ageing affects the nervous system.
What you need to know
- Ageing Loss of neurones and slower responses.
- Alzheimer's Plaques and tangles and memory loss.
- Parkinson's Dopamine-producing cell loss and tremors.
- Treatment Drugs and their limitations.
Common mistakes in The Effect of Ageing on the Nervous System
- Confusing Alzheimer's and Parkinson's.
- Saying treatments cure the diseases.
- Forgetting the role of dopamine.
Try three The Effect of Ageing on the Nervous System exam-style questions
1. State the neurotransmitter linked to Parkinson's. (1 mark)
Show the mark scheme answer
Dopamine.
2. Explain how L-dopa helps Parkinson's. (1 mark)
Show the mark scheme answer
It is converted to dopamine in the brain.
3. Give one feature of Alzheimer's in the brain. (1 mark)
Show the mark scheme answer
Amyloid plaques.
The Effect of Ageing on the Nervous System FAQs
What does this topic cover?
Ageing and neurodegenerative diseases.
Is ageing hearing loss included?
Yes, sensory decline can be assessed.
Why can't dopamine be given directly?
It cannot cross the blood-brain barrier.
Revise this topic with flashcards: A Level Biology Flashcards, with mark scheme answers for Anki and Quizlet.
