Question detail
Which of the following best describes a reflex action?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
The human nervous system
Question
- A. A slow, voluntary response to stimuli
- B. An automatic and rapid response that does not require conscious thought
- C. A learned behaviour that takes time to develop
- D. A response that involves the brain only
Answer
The correct option is An automatic and rapid response that does not require conscious thought. This answer is correct because it matches the approved learning objective to describe the nervous system as a system that enables humans to react to their surroundings and coordinate behaviour in the subtopic Structure and function.
Explanation
The correct option is An automatic and rapid response that does not require conscious thought. An automatic and rapid response that does not require conscious thought is correct because it directly supports the approved learning objective to describe the nervous system as a system that enables humans to react to their surroundings and coordinate behaviour. This belongs to the subtopic Structure and function within The human nervous system, so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from Structure and function.
Common mistake
Misunderstanding the Role of the Nervous System
Students often describe the nervous system solely as a network of nerves without explaining its role in reacting to surroundings and coordinating behavior.
Students should emphasize that the nervous system not only consists of nerves but also processes information from stimuli and coordinates appropriate responses to enable behavior.
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