Nervous system and brain

The two main types of cells in the nervous system are neurons and neuroglia.

• true

• false

Short, branched extensions of the neuron that receive messages from other cells.

• Myelin sheath

• Dendrites

• Synapse

• Axon

A gap between the axon of one neuron and the dendrites of another.

• Myelin sheath

• Dendrites

• Synapse

• Axon

The protective layer of neuroglia covering some axons.

• Myelin sheath

• Dendrites

• Synapse

• Axon

The nervous system is composed of the ___, ___, and ___.

• heart, brain, kidneys
• lungs, liver, stomach
• brain, spinal cord, nerves
• eyes, pancreas, veins

What does the cerebrum control?

• controls thoughts and voluntary actions
• controls vital and involuntary actions 
• controls balance
• controls the uvula

Which part of the brain controls vital functions such as breathing and heart rate?

• Diencephalon
• Frontal Lobe
• Brain Stem
• Cerebellum

Wrinkled part of the brain's surface where the body processes information

• Brain stem
• Cerebral Cortex
• Corpus Callosum
• Cerebellum

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