Single Answer MCQ
Q-00019243
What initiates a reflex action in the nervous system?
1
Conscious thought
2
Pain or danger stimulus
3
Neurotransmitter release
4
Muscle contraction
Answer and Solution
Answer
B. Pain or danger stimulus
Solution:
The correct answer is Pain or danger stimulus. Reflex actions are immediate reactions to stimuli that do not require conscious thought, ensuring a quick response to potentially harmful situations.
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