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Questions and Answers
What is the true etiology of Parkinson's disease?
What is the true etiology of Parkinson's disease?
- Reduced activation of dopamine and dopamine receptors (correct)
- Antagonism of adenosine A receptors in GABAergic neurons
- Presence of Lewy bodies in the substantia nigra pars compacta
- Loss of neurons in the substantia nigra pars compacta
What results in greater inhibition of the thalamus and reduced motor cortex activation in Parkinson's disease?
What results in greater inhibition of the thalamus and reduced motor cortex activation in Parkinson's disease?
- Reduced activation of dopamine and dopamine receptors (correct)
- Antagonism of adenosine A receptors in GABAergic neurons
- Loss of neurons in the substantia nigra pars compacta
- Presence of Lewy bodies in the substantia nigra pars compacta
What can prolong dopaminergic action in Parkinson's disease?
What can prolong dopaminergic action in Parkinson's disease?
- Reduced activation of dopamine and dopamine receptors
- Antagonism of adenosine A receptors in GABAergic neurons (correct)
- Loss of neurons in the substantia nigra pars compacta
- Presence of Lewy bodies in the substantia nigra pars compacta
What are the two hallmark features in the substantia nigra pars compacta in Parkinson's disease?
What are the two hallmark features in the substantia nigra pars compacta in Parkinson's disease?
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What correlates positively with the severity of motor symptoms in Parkinson's disease?
What correlates positively with the severity of motor symptoms in Parkinson's disease?
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