Chapter 18
Body Fluids and Circulation
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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Type Susmita kakati
DABP007058
