O-LevelBiologyCoordination & Response5090/12 · Oct/Nov 2023 · Q241 Mark
A student was asked to compare a typical spinal reflex action with a voluntary action. He has made one mistake in his comparison. Which row shows the incorrect statement? [Table 24.1]
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Areflex action: rapid response to a stimulus, voluntary action: response may be slow
Breflex action: initiated by the response of a receptor to a stimulus, voluntary action: initiated from the brain by conscious thought
Creflex action: the nervous impulse takes the longest pathway, voluntary action: the nervous impulse takes the shortest pathway
Dreflex action: effectors are muscles or glands, voluntary action: effectors are muscles only
✓ Correct answer
C: reflex action: the nervous impulse takes the longest pathway, voluntary action: the nervous impulse takes the shortest pathway
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