Synapse

Y

• Axon Terminal Button

• Neurotransmitters

• Dendrite

• Synapse

What generates a nerve impulse on the post-synaptic membrane? 

• Calcium binding with a receptor site

• Potassium leaking into the post-synaptic membrane 

• Neurotransmitter binding with receptor sites

• Neurotransmitter being removed from the synapse

The location of neurotransmitters

• axon terminals

• dendrites

• Schwann cells

• cell body

X

• Axon Terminal Button

• Neurotransmitters

• Dendrite

• Synapse

A synapse is:

• A gap between neurons

• Separates the axon end of one neuron from the dendrite of the next

• Crossed by a chemical

• All of these are true

Which neuron receives input at the synapse?

• Presynaptic neuron

• Interneuron

• Postsynaptic neuron

• Dendritic neuron

When Claudia is cut by a sharp piece of glass, sensory neurons relay the pain message to interneurons in her spinal cord by releasing neurotransmitters into the _____ between them.

• Synapses

•  

  Axon terminals

• Dendrites

• Axons

Synapses that are ____________ cause a neuron to fire whereas ____________ synapses reduce the likelihood that a neuron will fire.

• excitatory; inhibitory

• synaptic; terminal

• postsynaptic; presynaptic

• dendritic; axon

What is the general name for the chemicals in the nervous system that allow messages to be passed across the synapse?

• Amino Acid

• Enzyme

• Hormone

• Neurotransmitter

Excess neurotransmitters in the synapse that goes back into the presynaptic neuron.

• Resting potential

• Reuptake

• Retroactivity

• Repolarization