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The Nervous NervousSystemThe SystemActionPotentialActionPotentialStructure/FunctionStructure/FunctionSpinalDisordersSpinalDisordersNeuronsNeurons $100 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $200 Exit

The Nervous System for $100 Answer What are unmyelinated neurons called collectively?

Gray Matter Back to the Back to the Board

The Nervous System for $200 Answer What is the functional cell of the nervous system?

Neuron Back to the Back to the Board

The Nervous System for $300 Answer What cells make myelin in the PNS?

Schwann Cells Back to the Back to the Board

The Nervous System for $400 Answer Where do sensory neurons conduct impulses?

Toward the CNS Back to the Back to the Board

The Nervous System for $500 Answer What is myelin composed of?

Lipids (Fat) Back to the Back to the Board

Neurons Neurons for $100 Answer What part of the neuron holds and releases neurotransmitters?

Axon Terminal Back to the Back to the Board

Neurons Neurons for $200 Answer What part of the neuron sends a signal toward the cell body?

Dendrites Back to the Back to the Board

Neurons Neurons for $300 Answer What part of the neuron contains organelles?

Back to the Back to the Board Cell Body (Soma)

Neurons Neurons for $400 Answer What part of the neuron carries signals away from the cell body?

Axon Back to the Back to the Board

Neurons Neurons for $500 Answer What is the space between the myelin sheath that surrounds the axon called?

Nodes (of Ranvier) Back to the Back to the Board

Action Potential Action Potential for $100 Answer What are the 3 stages of an action potential called?

Resting, Depolarization and Repolarization Back to the Back to the Board

Action Potential Action Potential for $200 Answer What ion is involved in depolarization? Does it enter or leave the neuron?

Na + Enters Na + Enters Back to the Back to the Board

Action Potential Action Potential for $300 Answer What ion is involved in repolarization? Does it enter or leave the neuron?

K + Leaves K + Leaves Back to the Back to the Board

Action Potential Action Potential for $400 Answer If you were to draw a curve depicting an AP, what would you label the y-axis?

Membrane Potential Back to the Back to the Board

Action Potential Action Potential for $500 Answer During what stage of an AP is the inside of a neuron +?

Depolarization Back to the Back to the Board

Structure/Function Structure/Function for $100 Name the 2 structural divisions of the Nervous System. Answer

CNS and PNS Back to the Back to the Board

Structure/Function Structure/Function for $200 What are the 2 functional divisions of the PNS? Answer

Somatic and Autonomic Back to the Back to the Board

Structure/Function Structure/Function for $300 What does the Autonomic System control? Answer

Involuntary Smooth Muscle Involuntary Smooth Muscle Back to the Back to the Board

Structure/Function Structure/Function for $400 What does the Somatic System control? Answer

Voluntary Skeletal Muscle Voluntary Skeletal Muscle Back to the Back to the Board

Structure/Function Structure/Function for $500 What are the roles of the Nervous System? Answer

Coordinates all body systems Detects and responds to stimuli Coordinates all body systems Detects and responds to stimuli Back to the Back to the Board

Spinal Disorders Spinal Disorders for $100 What is the cause of MS? Answer

Back to the Back to the Board Destruction of myelin

Spinal Disorders for $200 What causes polio? How does an individual get polio? What causes polio? How does an individual get polio? Answer

Virus Ingestion of contaminated H2O Virus Ingestion of contaminated H2O Back to the Back to the Board

Spinal Disorders Spinal Disorders for $300 What is hemiplegia? Answer

Paralysis of half the body Back to the Back to the Board

Spinal Disorders Spinal Disorders for $400 What is affected in ALS? Answer

Motor Neurons Back to the Back to the Board

Spinal Disorders Spinal Disorders for $500 Which vertebrae do they inject a needle between for a spinal tap? Answer

L3 and L4 Back to the Back to the Board

ReceptorEffector Sensory Neuron Motor Neuron Interneuron in S. C.

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