CHAPTER 18: NEURAL CONTROL AND COORDINATION

EXERCISES

1. Briefly describe the structure of the Brain

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2. Compare the following:

(a) Central neural system (CNS) and Peripheral neural system (PNS)

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(b) Resting potential and action potential

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3. Explain the following processes:

(a) Polarisation of the membrane of a nerve fibre

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(b) Depolarisation of the membrane of a nerve fibre

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(c) Transmission of a nerve impulse across a chemical synapse

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4. Draw labelled diagrams of the following:

(a) Neuron (b) Brain

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5. Write short notes on the following:

(a) Neural coordination (b) Forebrain (c) Midbrain

(d) Hindbrain (e) Synapse

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6. Give a brief account of Mechanism of synaptic transmission.

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7. Explain the role of Na+ in the generation of action potential.

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8. Differentiate between:

(a) Myelinated and non-myelinated axons

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(b) Dendrites and axons

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(c) Thalamus and Hypothalamus

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(d) Cerebrum and Cerebellum

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9. Answer the following:

(a) Which part of the human brain is the most developed?

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(b) Which part of our central neural system acts as a master clock?

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10. Distinguish between:
(a) afferent neurons and efferent neurons

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(b) impulse conduction in a myelinated nerve fibre and unmyelinated nerve
fibre

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(c) cranial nerves and spinal nerves.
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