Parkinson disease tremors are the result of which condition?
Correct answer: D. Dopamine deficiency
- A. Dopamine excess
- B. Norepinephrine deficiency
- C. Epinephrine excess
- D. Dopamine deficiency
Explanation
Dopamine deficiency in the brain leads to Parkinson's disease because dopamine is crucial for regulating movement and coordination, and its depletion results in the characteristic motor symptoms of the condition.
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About Coordination and Control
Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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