Structure of a Neuron

Which is the correct sequence in the transmission of a neural impulse?

• axon, dendrite, cell body, synapse
• dendrite, axon, cell body, synapse
• synapse, axon, dendrite, cell body
• dendrite, cell body, axon, synapse

An axon conducts nerve impulses _________ the cell body.

• away from
• toward
• both toward and away
• around, bypassing

The brain's supporting cells are called:

• neuroglial cells

• mitochondria

• neurons

• nuclei

Neurons that travel toward the central nervous system are called

• afferent neurons
• efferent neurons
• exit neurons
• CNS neurons

Impulses that travel down a myelinated neuron move faster than if it was unmyelinated.

• True

• False

Which of the following are parts of neurons?

• brain, spinal cord, and vertebral column
• dendrite, axon, and cell body
• sensory and motor dendrites
• dendrite, medulla and myelin sheath

The gap that a message has to cross to get from one neuron to the other is called the _____

• synapse

• dendrite

• axon

• nodes of Ranvier

Identify W.

• Axon Terminal Button

• Neurotransmitters

• Dendrite

• Synapse

_____ neurons carry messages to the central nervous system

• Motor
• Inter
• Sensory
• Fun

______ send signals away from neurons whereas ______ receive signals from other neurons.  

• Axons; Dendrites
• Synapses; dendrites
• Dendrites; axons
• Axons; synapses