Q6 of 102 Page 118

Explain the following terms:

Association neuron ................

A neuron between the primary afferent neuron and the final motor neuron. Also, any neuron whose processes lie entirely within a specific area, such as the olfactory lobe. The main function of the association neurons in the spinal cord is that of inhibitory control. They also interconnect other cells with one another.


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Explain the following terms:

Autonomic nervous system .............

 6

Explain the following terms:

Conditioned reflex ..................

 6

Explain the following terms:

Gray matter .......................

 7

Rearrange the following in correct sequence pertaining to what is given within brackets at the end.


(a) Effector- Sensory neuron - Receptor- Motor neuron - Stimulus - Central nervous system - Response (Reflex arc)


 


(b) Repolarization - Depolarization - Resting (polarized) (during conduction of nerve impulse through a nerve fiber)


 


(c) Axon endings- Nucleus-Dendrites-Axon - Perikaryon- Dendron (Neuron structure)


 


(d) Diencephalon -Cerebellum - Medulla oblongata - Pons - Cerebrum - midbrain (sequence of parts of the human brain).