Biology 5090 · O Level · Mammalian nervous system

Mammalian nervous system — practice question

A student was asked to compare a typical spinal reflex response with a voluntary movement. He has made one error in his comparison. Which row contains the incorrect statement?

  • 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

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