Multiple Choice
Which part of a neuron conducts an action potential?
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4. Tissues & Histology
Nervous Tissue: The Neuron
Multiple Choice
Which of the following best explains how dendrites contribute to the function of the neuron?
A
Dendrites transmit electrical impulses away from the cell body.
B
Dendrites receive and integrate signals from other neurons.
C
Dendrites store neurotransmitters for synaptic transmission.
D
Dendrites generate action potentials to initiate nerve impulses.
Verified step by step guidance1
Understand the structure of a neuron: Neurons are composed of a cell body (soma), dendrites, and an axon. Each part has a specific role in the neuron's function.
Identify the role of dendrites: Dendrites are tree-like extensions at the beginning of a neuron that help increase the surface area available for receiving signals from other neurons.
Clarify the function of dendrites: Dendrites primarily receive and integrate incoming signals from other neurons, which are usually in the form of neurotransmitters released into the synaptic cleft.
Differentiate dendrites from other neuron parts: Unlike axons, which transmit electrical impulses away from the cell body, dendrites do not generate action potentials but rather collect and process incoming information.
Conclude the correct function: Based on the understanding of dendrites' role, they are responsible for receiving and integrating signals, not transmitting impulses away from the cell body or storing neurotransmitters.
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