What Is the Principle Defect in Parkinson Disease

question 25

Multiple Choice

What is the principle defect in Parkinson disease?

• A)There is a loss of neurons in the reticular activating system that secrete acetylcholine.
• B)There is a demyelination of alpha motor neurons important for posture and balance.
• C)Neurons of the substantia nigra degenerate and there is reduced delivery of dopamine to the basal ganglia.
• D)Autoimmune destruction occurs in neurons in the motor regions of the cerebral cortex.
• E)Damage to neurons of the cerebellum reduces the coordination of muscle movements.

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Definitions:

Equity Theory

A theory that focuses on the fairness of outcomes that individuals receive in an organization, which influences their motivation and satisfaction.

Mere Exposure Effect

The tendency to prefer stimuli that we've been repeatedly exposed to, regardless of the stimuli's inherent qualities.

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The name given to a particular product or service by its manufacturer or provider, used to distinguish it from competitors in the market.

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Situations where a group or individual acts in a way that produces short-term rewards but leads to long-term negative consequences.