Nerve Conduction Answers

Which structures are unique to neurons? Check all that apply.

insulates the axon so that nerve impulses can be transmitted quickly

contains the control center and powerhouse of the cel

receives information and carries it to the cell body

Once a stimulus changes the membrane potential, the neuron conducts an impulse called a(n) .

This causes the charge outside the cell to temporarily become and

the inside to temporarily become .

When the action potential arrives at the axon terminal it reaches a junction called the

Because the nerve impulse cannot cross the synaptic cleft, are released.

carries information away from the cell body

Complete the following statements.At resting potential, the charge of the outside of the neuron is

Use the information in the passage to determine the parts of the sneeze reflex arc.In this reflex arc, the is/are the receptor(s).

and the inside is .

The sodium-potassium pump helps maintain the resting potential.The pump will move three ions out of the cell while it moves two

ions into the cell.