Multipolar Neural Anatomy Quiz

Which specialized cell sends electrical signals over long distances in the nervous system?

• Astrocyte

• Oligodendrocyte

• Neuron

• Microglia

• Ependymal cell

What is the long, singular extension from the soma of a neuron called?

• Dendrite

• Axon

• Myelin sheath

• Synapse

• Collateral branch

Which structures are the short, branch-like extensions from the soma of a neuron?

• Axons

• Nodes of Ranvier

• Dendrites

• Synaptic bulbs

• Neurofibrils

What are the fatty, sausage-shaped structures that enclose sections of an axon?

• Nodes of Ranvier

• Synaptic clefts

• Axon terminals

• Myelin sheaths

• Mitochondria

What term describes the space on the axon located between two myelin sheaths?

• Synaptic cleft

• Axon hillock

• Node of Ranvier

• Collateral branch

• Synaptic bulb

Which structures are the branch-like endings of an axon containing numerous tiny vesicles with neurotransmitters?

• Dendrites

• Axon terminals

• Nodes of Ranvier

• Schwann cells

• Neurofibrils

What is the wedge-shaped location where the axon attaches to the soma called?

• Axon terminal

• Synaptic cleft

• Axon hillock

• Node of Ranvier

• Collateral branch

What term describes the tiny gap between a synaptic bulb on one axon terminal and the soma or dendrite of another neuron?

• Node of Ranvier

• Synaptic cleft

• Axon hillock

• Neurilemma

• Nissl substance

What are the round, globular endings of an axon terminal called?

• Synaptic bulbs

• Nodes of Ranvier

• Dendrites

• Mitochondria

• Neurofibrils

Which membrane-bound organelle contains a neuron's DNA (genome)?

• Mitochondrion

• Lysosome

• Golgi apparatus

• Nucleus

• Endoplasmic reticulum