Nervous system

Which of the following is the correct order of the direction of a nerve impulse?

• Dendrite-Dendron-Cell Body-Axon-Synapse

• Synapse-Cell Body-Axon-Dendrite-Dendron

• Dendrite-Synapse-Cell Body-Axon-Dendron

• Axon-Dendron-Cell Body-Dendrite-Synapse

This insulating material forms a layer around the axon of a neuron.

• neuron

• myelin sheath

• dendrite

• neurotransmitter

Which type of neurone transmit impulses from the CNS to the effector?

• sensory neurone

• motor neurone

• relay neurone

• intermediate neurone

Which type of neurone transmit impulses from sense organs to the CNS?

• sensory neurone

• relay neurone

• intermediate neurone

• motor neurone

Which type of nerve fibre carries impulses away from the cell body?

• dendrite

• axon

• dendron

What does the central nervous system consist of?

• brain and cranial nerves

• brain and spinal cord

• spinal cord and spinal nerves

• spinal nerves and cranial nerves

What does the peripheral nervous system consist of?

• brain and spinal cord

• spinal nerves only

• spinal nerves and cranial nerves

• brain only