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

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:

The gray horns of the spinal cord contain mainly

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

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:

Which of the following pairs are correct:

Sally is waving her arms to catch a cab. The motor signal is traveling through the ________ to the skeletal muscles in her arm to produce the movement.

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

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 pairs are correct: