Anatomy Case Study MCQ

An action potential occurs when..
The neuron polarizes
The neuron depolarizes
The neuron depolarizes and repolarizes
The neuron becomes neutral
The presacral vertebrae, from superior to inferior, are..
Lumbar region (L1-L5), Thoracic region (T1-T12), Cervical region (C1-C7)
Cervical region (C1-C6), Lumbar region (L1-L5), Thoracic region (T1-T14)
Cervical region (C1-C7), Thoracic region (T1-T12), Lumbar region (L1-L5)
Thoracic region (T1-T14), Cervical region (C1-C6), Lumbar region (L1-L5)
The two main descending spinal tracts are..
Interior white matter and exterior grey matter
Interior and exterior white and grey matter.
Interior red matter and exterior yellow mater
Interior grey matter and exterior white matter
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