Structure and function of neurons

Which of the following is not a type of neuron?

• motor

• sensory

• relay

• glial

Which of the following is true?

• glial cells communicate via electrical impulses whereas neurons only transmit messages chemically

• neurons transmit electrical signals but glial cells do not

• neurons produce myelin whereas glial cells do not

• glial cells communicate with each other whereas neurons protect, support and nourish the glial cells

Which type of neurons have long dendrites and short axons and carry message from the PNS to the CNS?

• sensory

• motor

• relay

Which type of neurons have short dendrites and short axons?

• Sensory

• Relay

• Motor

Which type of neuron (with short dendrites and long axons) connect CNS to effectors such as muscles and glands>

• motor

• relay

• sensory

The nucleus of the neurons is contained within the ....

• cell body

• terminal button

• axon hillock

• dendrite

The myelin sheath surrounding the axon is made up of...

• Schwann cells

• Vesicles

• Serotonin

• Nodes of Ranvier

Dendrites carry nerve impulses ...... the cell body.

• towards

• away from

Axons carry the nerve impulse.....the cell body.

• towards

• away from

Axons are covered in myelin sheaths, a fatty layer which provides protection and

• slows down the speed of transmission

• speeds up the speed of transmission