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

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?

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: 

Following divergence, the postsynaptic neurons process the signal simultaneously that they all received from the presynaptic neuron. Which of the following terms describes this phenomenon:

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

If potassium ions are observed to be moving along their electrochemical gradient and the membrane potential is measured at –85 mV, which of the following phases of an action potential is occurring:

All of the following cells are neuroglia of the CNS EXCEPT:

The gray horns of the spinal cord contain mainly

Suppose that you feel something brushing against your abdomen. The sensory information would be carried to the spinal cord through a(n) ________ ramus.

Which of the following membrane potential values would be expected for a neuron that is in a hyperpolarized state: