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Synapse Transmission of Nervous Messages Quiz

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Synapse Transmission of Nervous Messages Quiz

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Questions and Answers

What is the role of neurotransmitters at a synapse?

Initiate the nervous message

Transport electric nerve impulses

Facilitate the transmission of electric nerve impulses (correct)

Generate an electrochemical impulse

In a neuro-neural synapse, the synapse occurs between which two elements?

Neuron and muscle cell

Neuron and gland cell

Two muscle cells

Two neurons (correct)

What are synaptic vesicles and what do they contain?

Large vesicles containing electric impulses

Large vesicles containing neurotransmitters

Small vesicles containing electric impulses

Small vesicles containing neurotransmitters (correct)

What is the function of the gap between the presynaptic neuron and the postsynaptic element at a synapse?

Allow for chemical transmission of nerve impulses Signup and view all the answers

Where do molecules carrying the nervous message pass through to reach another neuron?

Synaptic cleft Signup and view all the answers

What is the role of the post-synaptic membrane in a synapse?

Contains receptors specific for neurotransmitters Signup and view all the answers

Which step occurs first in the transmission of a nervous message across a synapse?

Arrival of the nervous message to the terminal bud Signup and view all the answers

After which step do neurotransmitters bind to their specific receptors on the post-synaptic membrane?

Exocytosis (release) of neurotransmitters into the synaptic cleft Signup and view all the answers

What happens after the neurotransmitters are removed by degradation in a synapse?

They are re-absorbed by the presynaptic neuron Signup and view all the answers

In which location do synaptic vesicles containing neurotransmitters move towards in a synapse?

Presynaptic membrane Signup and view all the answers