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Kelly is getting a spinal tap. In order to remove the CSF, which of the following layers of the meninges must be passed through in order to reach the CSF:

A dorsal and ventral root of each spinal segment unite to form a:

When a neurotransmitter such as ACh diffuses across the synaptic cleft, binds to a channel receptor and results in the channel opening, this receptor is a:

Which of the following membrane potential values must a neuron return to in order to respond to new stimuli:

Bill contracts a viral disease that destroys cells in the posterior gray horns in his spinal cord. As a result, which of the following would you expect:

The dorsal root of a spinal nerve is ______________ and carries ________________ impulses:

Which of the following neuronal circuits maintains consciousness:

Use the following scenario to answer questions 9 & 10: Joey is playing baseball and is up to bat. He swings the bat and hits the ball far into the outfield. As he runs the bases and approaches home base, his heart rate and respiratory rate have been elevated above normal. Which of the following neurons is responsible for stimulating the cardiovascular and respiratory response during this scenario: 

Mary is in an automobile accident and suffers a spinal cord injury. She has lost feeling in her lower body. Her doctor tells her that swelling is compressing a portion of her spinal cord. Which part of her cord is likely to be compressed?

Which of the following neurotransmitters is responsible for affecting emotional states and attention: