1.) Once again, consider the global population of sensory neurons that innervate
ID: 50022 • Letter: 1
Question
1.) Once again, consider the global population of sensory neurons that innervate somatic muscle spindles. Where do these neurons secrete glutamate?
within muscle spindles
within the CNS
2. Which type of proprioceptor provides -motor neurons with biofeedback?
muscle spindles
Golgi tendon organs
3. The myotatic reflex serves to
counter sudden muscle stretch
maintain balance
4. The -loop is an information pathway whereby premotor neurons in the brainstem control the output of the spinal cord -motor neurons that innervate anti-gravity muscles. This information pathway requires relatively little input from premotor neurons. Why?
a single sensory neuron can synapse with hundreds of -motor neurons
a single motor neuron innervates hundreds of motor units
Explanation / Answer
1. The sensory neurons that innervate somatic muscle spindles secrete glutamate within the CNS (central nervous system).
2. Golgi tendon organs are the proprioceptors that provide -motor neurons with biofeedback.
3. The myotatic reflex serves to counter sudden muscle stretch.
4. This is because a single motor neuron innervates hundreds of motor units.
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