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2.3 The nervous system and brain

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Question 25

After an injury, the dendron of a sensory neurone linking a muscle-position receptor to the central nervous system can no longer carry electrical impulses. The cell body and axon of the neurone are undamaged.

What is the consequence when the receptor produces an impulse?

[1]
A

the impulse travels from the cell body back towards the receptor

B

the impulse passes directly from the receptor into the axon

C

the impulse stops before reaching the cell body

D

the impulse reaches the cell body but stops before the central nervous system

Markscheme

2.3 The nervous system and brain Questions

  1. GCSE
  2. /Biology
  3. /2.3 The nervous system and brain

111 exam-style questions on Edexcel GCSE Biology 2.3 The nervous system and brain, covering 2.3.1 Structures and functions of the brain, 2.3.2 Imaging brain function with scanning, 2.3.3 Limitations in treating nervous system damage, 2.3.4 Neurones and impulse transmission, and 2.3.5 Structure and function of a reflex arc. Each one has a worked solution and a mark scheme showing where the marks go.

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