Unit 2 Review

Which part of the neuron covers the axon?

• Myelin Sheath
• Dendrite
• Neural Impulse

If the myelin sheath degenerates, what can be a result of that?

• Multiple Sclerosis
• Downs Syndrome
• Schizophrenia

A brief electrical charge that travels down the axon

• Action Potential
• Resting Potential
• Synapse

part of autonomic nervous, calms you down

• Parasympathetic 
• sympathetic 

chemical messager, released into the bloodstream, slow but long lasting

• neurotransmitter
• hormones

The "master gland" that controls or influences all of the other endocrine glands is the:

• adrenal gland.
• pituitary gland.
• thyroid gland.
• pineal gland.

The part of the brain that controls life-sustaining functions, such as heartbeat, breathing, and swallowing, is the:

• cerebral cortex.
• cerebellum.
• medulla.
• hippocampus.

When people are walking, raising their hands in class or smelling a flower, they are using the:

• central nervous system
• somatic nervous system
• autonomic nervous system
• sympathetic nervous system 

Young Keith was in a very bad accident, where specific parts of his brain were damaged. His neurologists noted that over the course of the next several months, other parts of his brain began to compensate for these deficits, and he was not as impaired as they had expected. Keith’s case demonstrates the concept of _______________.

• neuroadaptivity
• neuroplasticity
• neurogenesis
• pruning

Xzasia has been suffering from severe bouts of depression for the past several years. Her doctor suggests that some medications designed to impact a specific neurotransmitter might be helpful for her. Which neurotransmitter would be the most likely target of this medication?

• GABA
• Dopamine
• Serotonin
• Acetylcholine