Multiple Choice
Which one of the following best describes how neurons transmit messages to one another?
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45. Nervous System
Neurons and Action Potentials
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The neural processes that convey incoming messages toward the cell body are indicated by which of the following?
A
Myelin sheaths
B
Axons
C
Dendrites
D
Synaptic terminals
Verified step by step guidance1
Understand the structure of a neuron: A neuron is composed of three main parts - the cell body (soma), dendrites, and axon. Each part has a specific function in transmitting and receiving signals.
Learn the role of dendrites: Dendrites are branch-like structures that extend from the cell body. Their primary function is to receive incoming signals (electrical or chemical) from other neurons or sensory receptors and convey these messages toward the cell body.
Differentiate between axons and dendrites: Axons are long, thin structures that transmit signals away from the cell body to other neurons, muscles, or glands. In contrast, dendrites bring signals toward the cell body.
Understand the role of myelin sheaths: Myelin sheaths are insulating layers that cover axons, helping to speed up the transmission of electrical signals along the axon. They do not play a role in receiving signals.
Clarify the function of synaptic terminals: Synaptic terminals are located at the end of axons and are responsible for releasing neurotransmitters to communicate with other neurons or target cells. They are not involved in conveying messages toward the cell body.
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