Multiple Choice
Which sequence correctly describes how different types of neurons work together to sense, process, and respond to a stimulus?
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45. Nervous System
Neurons and Action Potentials
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Dendrites receive stimulus input from which of the following sources?
A
Muscle fibers
B
Other neurons
C
Blood vessels
D
Glial cells
Verified step by step guidance1
Understand the role of dendrites: Dendrites are structures on neurons that receive signals from other cells. Their primary function is to collect information and transmit it to the cell body of the neuron.
Identify the sources of input for dendrites: Dendrites typically receive input from other neurons through synapses, which are specialized junctions where neurotransmitters are released.
Eliminate incorrect options: Muscle fibers, blood vessels, and glial cells do not directly provide stimulus input to dendrites. Muscle fibers are involved in movement, blood vessels supply nutrients and oxygen, and glial cells provide support and protection for neurons but do not directly send signals to dendrites.
Focus on the correct source: Other neurons communicate with dendrites by releasing neurotransmitters into the synaptic cleft, which bind to receptors on the dendrites and initiate a response.
Conclude the reasoning: Based on the function of dendrites and the nature of neuronal communication, the correct answer is 'Other neurons.'
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