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Axons of most mammalian neurons are surr...

Axons of most mammalian neurons are surrounded by a myelin sheath. What is the functional advantage of myelination?

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It increases the speed of nerve impulse conduction.
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ICSE-NEURAL CONTROL AND CO-ORDINATION -TEST YOUR PROGRESS ( VERY SHORT ANSWER TYPE QUESTIONS )
  1. What effect might vagotomy (cutting of vagal nerve fibres) have on emp...

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  2. Name the terms given to neurons that carry input to the central nervou...

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  3. Axons of most mammalian neurons are surrounded by a myelin sheath. Wha...

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  4. Which division of the nervous system is voluntary?

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  5. In a polarised membrane, what is the charge just inside the membrane?

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  6. Name the neuron which is responsible for one-way impulse conduction.

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  7. In which space does cerebrospinal fluid circulate?

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  8. Spinal nerves are part of which division of the nervous system?

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  9. What is a typical value for the resting membrane potential of a neuron...

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  10. An action potential consists of depolarization and repolarization. Whi...

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  11. Why do impulses in a neuron travel in one direction only?

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  12. Why are all spinal nerves classified as mixed nerves?

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  13. What are the three layers of the cranial meninges, from superficial to...

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  14. Which region of the brain surrounds the third ventricle?

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  15. Where is cerebrospinal fluid (CSF) formed and where is it reabsorbed?

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  16. Name the part of the brain that contains pyramids, and cerebral pedunc...

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  17. During development, which portion of the brain-the grey or the white m...

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  18. Which lobes of the cerebrum are usually narrower in left handed people...

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  19. Which sensations can arise when free nerve endings in the skin are sti...

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  20. Name the fibre tracts that channel information into and out of the cer...

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