Module 3 Chapter 17 Multiple choice questions 17.6

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. Electrical synapses involve connections between neurons called

adherens junctions. correct incorrect

desmosomes. correct incorrect

gap junctions. correct incorrect

tight junctions. correct incorrect

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. When an action potential arrives at the synaptic terminal, the opening of which ion channels is the trigger for fusion of pre-synaptic vesicles with the pre-synaptic membrane?

Voltage-gated calcium channels correct incorrect

Voltage-gated chloride channels correct incorrect

Voltage-gated potassium channels correct incorrect

Voltage-gated sodium channels correct incorrect

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. Which of the following is not a common mechanism for the removal of neurotransmitters from the synaptic cleft? (Please select all that apply.)

Diffusion via the extracellular fluid correct incorrect

Enzymatic breakdown in the synaptic cleft correct incorrect

Reuptake into the presynaptic terminal correct incorrect

Uptake via the post-synaptic membrane correct incorrect

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