BSC 2011 Lecture Notes - Lecture 12: Neuromuscular Junction, Excitatory Synapse, Chemical Synapse
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34. Choose the one(s) that is/are an example of homeostatic control (choose ALL that apply):
Body temperature | ||
Energy balance | ||
Increase in atmospheric pressure | ||
None is correct |
32. Which of the following is TRUE regarding chemical synapses? (Select all that apply.)
They have gap-junctions | ||
Vesicles fuse with the presynaptic membrane to release neurotransmitters into the synaptic cleft | ||
When released from postsynaptic membrane receptors, molecules associated with the neurotransmitter may be returned to the presynaptic cell. | ||
Neurotransmitter is secreted in the synaptic cleft |
11.Norepinephrine is the neurotransmitter released in the synaptic cleft of the neuromuscular junction.
True
False
9. Choose the chemical below that allows transmission of a nerve impulse from one neuron across a synapse to another neuron.
Sodium | ||
Chloride ion | ||
Neurotransmitter | ||
Pottasium |
5. When thinking about an action potential, which of the following describes what is happening?
All of these are correct | ||
The membrane potential changes really fast. | ||
It is part of the process of how a nerve cell passes information. | ||
It is generated as a result of voltage-gated ion channels opening. |