Neurons

Label the Neuron-What does the letter "A" represent?

• Axon
• Dendrite
• Axon Terminal
• Cell Body

Label the Neuron-What does the letter "D" represent?

• Dendrite
• Axon
• Myelin Sheath
• Node of Ranvier

Label the Neuron-What does the letter "E" represent?

• Schwann Cell
• Node of Ranvier
• Axon Terminal
• Myelin Sheath

What is the insulating membrane that surrounds parts of the axon that helps the impulses travel faster called?

• Axon
• Dendrites
• Node of Ranvier
• Myelin Sheath

The part of the neuron that receives messages from other neurons

• axon
• dendrite
• cell body
• Schwann cell

nerve impulse

• action potential
• resting potential
• membrane potential
• synapse

What is the chemical used by a neuron to transmit an impulse across a synapse to another nerve cell?

• Neurotransmitters
• Synapse
• Threshold
• Impulse

The function of a myelin sheath is to....

• Protects a dendrite

• Protects a axon

• Insulates an axon to make electricity faster

• Insulates a dendrite to make electricity faster

Identify what SPECIFIC type of cell is pictured above.

• Oligodentrocyte

• Neuron

• Animal Cell

• Plant Cell

Reuptake is best defined as...

• release of hormones into the bloodstream.
• movement of neurotransmitter molecules across a synaptic gap.
• reabsorption of excess neurotransmitter molecules by a sending neuron.
• inflow of positively charged ions through an axon membrane.