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Ch.8 BNS

Movement

QuestionAnswer
What type of muscle is responsible for the movement of your body through the environment? striated
You have precise control over the movement of your fingers, probably because: they have few muscle fibers per motor neuron
What is the name given to the synapse where a motor neuron's axon meets a muscle fiber? neuromuscular junction
Would slow-twitch or fast-twitch muscles be especially important when running up a flight of stairs at full speed? fast-twitch muscles
A proprioceptor is sensitive to the: position and movement of a part of the body
A sudden stretch of a muscle excites a feedback system that opposes the stretch. This message starts in the: muscle spindles
Which type of proprioceptor responds to increases in muscle tension? Golgi tendon organ
Very brief electrical stimulation of the motor cortex results in: muscle twitching
The premotor cortex is active during what and less active during what? active during preparations for a movement and less active during the movement
People with damage to the parietal cortex appear to lack ________ related to voluntary movements. feelings of intention
Axons of the dorsolateral tract extend to what area? spinal cord
The symptoms of cerebellar damage resemble those of: intoxication
The cerebellum appears to be critical for: certain aspects of attention
The structure composed of the caudate nucleus, putamen, and globus pallidus is the: basal ganglia
What is one of the main symptoms of Parkinson's disease? difficulty initiating movements
The immediate cause of Parkinson's disease is the: gradual, progressive death of neurons in the substantia nigra
Although several genes have been found to be more common among people with Parkinson's disease, these genes are: small contributors to the incidence of late-onset Parkinson's disease
Although Parkinson's disease is usually limited to old people, it has occurred in a small number of young people that: used a designer drug
L-dopa is most effective: in the early to intermediate stages of Parkinson's disease
Which parts of the brain deteriorate most strongly in Huntington's disease? the caudate nucleus, putamen, and globus pallidus
Created by: hilarytumey