Synaptic Transmission

The proper name for brain chemicals

• Hormones

• Neurons

• Neurotransmitters

• Synapse

Tags

NGSS.HS-LS1-3

NGSS.HS-LS1-6

The name of the specialised gap between 2 neurons

• Dendrites

• Terminal buttons

• Synaptic Vesicles

• Synapse

The part of the neuron which houses the neurotransmitters

• Dendrites

• Terminal buttons

• Synaptic Vesicles

• Synapse

When the action potential travels down the axon it reaches which part of the neuron?

• Dendrite

• Cell body

• Terminal body

• Nucleus

Type of synapse which decreases the chance of the next neuron firing

• Inhibitory

• Excitatory

• Neurotransmitters

• Neuron

Type of synapse which increases the chance of the next neuron firing

• Inhibitory

• Excitatory

• Neurotransmitters

• Neuron

When an action potential reaches the terminal button it causes...

• vesicles to migrate towards and fuse with the cell membrane

• neurotransmitter molecules to bind to the receptor sites on the postsynaptic cell

• enzymes to breakdown leftover molecules of neurotransmitter in the synaptic cleft

• chloride ions to flood into the postsynaptic cell

Neurotransmitter molecules diffuse across the synapse before binding to ...... on the post synaptic cell

• receptors

• schwann cells

• the nodes of Ranvier

• the axon hillock

Depolarisation means the cell is more likely to fire due to...

• positively charged sodium ions rushing into the cell

• negatively charged chloride ions rushing into the cell

Depolarisation occurs if a neurotransmitter has an...

• excitatory effect

• inhibitory effect