Synapse
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Question 1 of 28
1. Question
The ______ is the point of connection between two neurons or between a neuron and a muscle or gland.
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Question 2 of 28
2. Question
A synaptic connection between a neuron and a muscle cell is called a ________ .
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Question 3 of 28
3. Question
Neurons are specialised to receive, conduct and transmit ______ .
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Question 4 of 28
4. Question
Synapses are key to the brain’s function, especially when it comes to _______.
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Question 5 of 28
5. Question
The term synapse was first introduced in 1897 by physiologist ______ ?
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Question 6 of 28
6. Question
Synapses are composed of…?
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Question 7 of 28
7. Question
The synaptic knob of the pre-synaptic cell contains…?
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Question 8 of 28
8. Question
Most synapses are chemical, and these synapses communicate using chemical messengers called…
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Question 9 of 28
9. Question
The postsynaptic ending contains…
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Question 10 of 28
10. Question
The typical synaptic cleft is about ______ wide.
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Question 11 of 28
11. Question
Which of the following ions cause the presynaptic vesicles to fuse with the presynaptic membrane and release a neurotransmitter into the synaptic area?
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Question 12 of 28
12. Question
Inside the axon terminal of a sending cell are many_______, that are membrane-bound spheres filled with neurotransmitter molecules.
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Question 13 of 28
13. Question
In order for an impulse to be transmitted from one neuron to the next or from a neuron to its destination, a neurotransmitter must be released from __________.
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Question 14 of 28
14. Question
If K + or chlorine ion (Cl –) gates open (allowing K + to exit or Cl –to enter), the membrane becomes more polarised (hyperpolarised), which results in an____.
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Question 15 of 28
15. Question
Different _______ are receptors for different neurotransmitters.
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Question 16 of 28
16. Question
Neurotransmitter release occurs through the process of…?
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Question 17 of 28
17. Question
Once released, neurotransmitter molecules typically produce signals in postsynaptic neurons by…?
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Question 18 of 28
18. Question
After release, most neurotransmitters are deactivated by…?
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Question 19 of 28
19. Question
If positive ion gates open (allowing more Na + and Ca 2+ to enter than K + to exit), the membrane becomes depolarised, which results in an ______.
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Question 20 of 28
20. Question
The integration of postsynaptic potentials that occur in different locations—but at about the same time—is known as…?
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Question 21 of 28
21. Question
Electrical synapses transmit signals _____ than chemical synapses do.
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Question 22 of 28
22. Question
What happens to excess neurotransmitter produced by presynaptic neurons?
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Question 23 of 28
23. Question
The integration of postsynaptic potentials that occur in the same place—but at slightly different times—is called…?
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Question 24 of 28
24. Question
For the signal to end, the synaptic cleft must be _______ of neurotransmitter.
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Question 25 of 28
25. Question
During termination of signal the neurotransmitter may be broken down by…
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Question 26 of 28
26. Question
What determines the effect of neurotransmitter release on the post-synaptic neurons?
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Question 27 of 28
27. Question
Neurotransmitters can inhibit or excite neurons. ______, for example, is inhibitory whereas ______ is excitatory.
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Question 28 of 28
28. Question
Synaptic vesicles discharge _________ at the neuromuscular junction.
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