Learning objective
Explain how receptors convert stimuli into nervous impulses.
Read the explanation, check the common trap, then practise with flashcards and questions.
At a glance
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Flashcards
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Questions
Topic
Response and homeostasis official content
Subtopic
Nervous coordination
Study support
Understand this objective
Quick explanation
Explain how receptors convert stimuli into nervous impulses
- This point belongs to Response and homeostasis official content, especially Nervous coordination.
- You need to be able to explain how receptors convert stimuli into nervous impulses.
- The key ideas to know are receptor.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
Why it matters
This objective helps connect Nervous coordination to exam-style questions, flashcards, and revision notes for Response and homeostasis official content.
Quick student answer
Which of the following correctly describes the role of receptors in the nervous system?
Direct answer
Receptors convert stimuli into electrical impulses, initiating a nervous response.
Key terms
- Transduction: The process by which sensory receptors convert a stimulus into an electrical signal.
- Threshold potential: The minimum membrane potential that must be reached for an action potential to be generated.
Common trap
Confusing receptors with effectors: Receptors detect stimuli and convert them into impulses, while effectors carry out responses based on those impulses.
Related questions
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Revision tools
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Revision notestopic notes
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Open revision notesRelated learning objectives
- Explain why organisms detect internal and external stimuli.
Stimuli, both internal and external, are detected and lead to a response
- Link stimulus detection to responses that increase survival.
Stimuli, both internal and external, are detected and lead to a response
- Distinguish internal and external environmental changes.
Stimuli, both internal and external, are detected and lead to a response
- Relate coordination systems to organism responses.
Stimuli, both internal and external, are detected and lead to a response
- Describe Pacinian corpuscle and retinal photoreceptor function.
Nervous coordination