Intro to Nervous System

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

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

• synapse

• dendrite

• axon

• synaptic cleft

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

• Axons; Dendrites

• Synapses; dendrites

• Dendrites; axons

• Axons; synapses

A nerve cell can also be termed

• Neuron

• Cell Body

• Dendrite

• Axon

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

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

• I'm not sure

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

What part of the neuron is myelinated?

• Cell Body

• Axon

• Synapse

• Dendrite