OSMT (Ontario Society of Medical Technologists) Practice Exam

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The part of a neuron that carries impulses away from the cell body is the:

a. Myelin sheath
b. Dendrite
c. Axon
d. Schwann cell

The correct answer is: c. Axon

The correct answer is the Axon. The axon is a long, slender projection of a nerve cell that carries electrical impulses away from the cell body to the synapses with other neurons, muscles, or glands. Dendrites, on the other hand, receive signals from other neurons and carry them towards the cell body. The myelin sheath is a fatty substance that surrounds and insulates the axon, aiding in the speedy transmission of nerve impulses. Schwann cells are a type of glial cell that produces the myelin sheath in the peripheral nervous system.