Multiple Choice
Which part of a neuron contains vesicles that house neurotransmitters?
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45. Nervous System
Neurons and Action Potentials
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Which sequence correctly describes how different types of neurons work together to sense, process, and respond to a stimulus?
A
Motor neuron → Sensory neuron → Interneuron
B
Interneuron → Sensory neuron → Motor neuron
C
Sensory neuron → Interneuron → Motor neuron
D
Motor neuron → Interneuron → Sensory neuron
Verified step by step guidance1
Step 1: Begin by understanding the roles of the three types of neurons involved in sensing, processing, and responding to a stimulus. Sensory neurons detect stimuli from the environment (e.g., light, sound, touch) and send signals to the central nervous system.
Step 2: Interneurons, located in the central nervous system (brain and spinal cord), process the information received from sensory neurons. They act as intermediaries, integrating and interpreting the signals.
Step 3: Motor neurons receive processed information from interneurons and carry signals to muscles or glands to produce a response, such as movement or secretion.
Step 4: Recognize the correct sequence of neuron activity: Sensory neurons detect the stimulus → Interneurons process the information → Motor neurons execute the response.
Step 5: Eliminate incorrect sequences by comparing them to the logical flow of information in the nervous system. For example, 'Motor neuron → Sensory neuron → Interneuron' is incorrect because motor neurons act last, not first.
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