Nervous All

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

Multiple sclerosis is an autoimmune disease in which the body's own immune system destroys the _____________ of the nerve axons. 

• Myelin
• Dendrites
• Axon Terminal
• Nodes of Ranvier

An axon conducts nerve impulses _________ the cell body.

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

The brain's supporting cells are called: 

• glial cells
• mitochondria
• neurons
• nuclei

Multiple sclerosis is an autoimmune disease in which the body's own immune system destroys the _____________ of the nerve axons. 

• Myelin
• Dendrites
• Axon Terminal
• Nodes of Ranvier

The brain's supporting cells are called: 

• glial cells
• mitochondria
• neurons
• nuclei

Neurons that travel toward the central nervous system are called

• sensory neurons

• motor neurons

• exit neurons

• CNS neurons

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

• True
• False
• I'm not sure

An axon conducts nerve impulses _________ the cell body.

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

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

• True
• False
• I'm not sure