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Ch.8 BNS
Movement
| Question | Answer |
|---|---|
| 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
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