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In an electrical synapse, how is the nerve impulse transmitted between neurons?
| 1. | By releasing neurotransmitters across the synaptic cleft |
| 2. | Through the direct movement of ions via gap junctions |
| 3. | By synaptic vesicles fusing with the postsynaptic membrane |
| 4. | Through saltatory conduction at the nodes of Ranvier. |
Subtopic: Â Action Potential |Â Synapse |
 51%
Level 3: 35%-60%
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The mechanism by which neurotransmitters are released into the synaptic cleft from the presynaptic neuron involves:
1. Simple diffusion
2. Active transport
3. Exocytosis
4. Endocytosis
1. Simple diffusion
2. Active transport
3. Exocytosis
4. Endocytosis
Subtopic: Â Synapse |
 58%
Level 3: 35%-60%
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How many of the given statements are correct?
| I: | Chemical synapses use neurotransmitters to transmit impulses. |
| II: | Nodes of Ranvier are gaps in the myelin sheath of axons. |
| III: | The occipital lobe is associated with processing visual information. |
| IV: | The temporal lobe is involved in processing auditory information. |
| V: | The spinal cord is responsible for voluntary actions. |
2. 3
3. 4
4. 5
Subtopic: Â Synapse |Â Neuroanatomy |
 57%
Level 3: 35%-60%
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