Eopa Nervous

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

• Soma

What is structure labeled D in the picture?

• Dendrite
• Axon
• Cell Body
• Axon Terminal

Neurotransmitters are released from the

• Dendrites
• Post-synaptic neuron
• Presynaptic neuron
• Axon

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

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

• Neurotransmitters
• Synapse
• Threshold
• Impulse

State the name given to the minimum number of neurotransmitter molecules that are required to send an impulse.

• Summation

• Threshold

• Excitatory

• Inhibitory

During an action potential, the restoration of the membrane potential (Restoring the negative internal charge of the cell)

• Depolarization

• Repolarization

• Refractory period

The neurotransmitters are released from the axon terminal by exocytosis and cross the _________ _____________.

• Synaptic cleft

• Axon terminal

• Dendrite terminal

• Myelin sheath

The neurotransmitters bind to specific _________________ on the post-synaptic membrane and open ligand-gated ion channels.

• Neurotransmitters

• Vesicles

• Receptors

• Synapse