alleryA reflex action is best described as:
AA voluntary, planned movement
BAn automatic, rapid response without conscious thought
CA slow learned response
DA purely chemical signal
Answer & Solution
Correct answer: B. An automatic, rapid response without conscious thought
1. Reflex actions are AUTOMATIC: they don't wait for the brain to decide.
2. Path = reflex ARC, mediated mostly by the SPINAL CORD.
3. Examples: pulling hand off a hot plate, knee-jerk.
_Source: syllabus Science Ch 6 §6.1.2 Reflex Action_
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