Week 10 Neuronal Review 201

Which of these best describes glial cells?

• The cells that send signals to the brain

• Cells that support the neurons

• Any cell in the nervous system

• Cells that make muscles move

Which type of cell is located between neurons and capillaries to control what enters the cells from the blood?

• Astrocytes

• Oligodendrocytes

• Schwann cells

• Satellite cells

Which two types of glial cells produce myelin coverings around the nerves?

• Microglia and astrocytes

• Schwann cells and satellite cells

• Schwann cells and oligodendrocytes

• Oligodendrocytes and astrocytes

Which type of glial cells are found in the Peripheral Nervous System (PNS)?

• Astrocytes

• Microglia

• Schwann cells

• Oligodendrocytes

Which glial cell is responsible for cleaning up and disposing of debris?

• Microglial

• Astrocytes

• Schwann

• Oligodendrocyte

Which neuron structure is indicated by #1 ?

• Dendrite

• Axon

• Axon terminal

• Myelin sheath

Which number indicates a Node of Ranvier?

• 1

• 4

• 5

• 8

Which is the correct sequence in the transmission of a neural impulse?

• axon, dendrite, cell body, synapse
• dendrite, axon, cell body, synapse
• synapse, axon, dendrite, cell body
• dendrite, cell body, axon, synapse

An axon conducts nerve impulses _________ the cell body.

• away from
• toward
• both toward and away
• around, bypassing

The rapid skipping of an action potential from node to node on myelinated neurons.

• Saltatory conduction

• Repolarization

• Refractory period

• Reflexes