Which Statement Explains How the Lack of Dopamine Physiologically Affects

question 30

Multiple Choice

Which statement explains how the lack of dopamine physiologically affects those individuals suffering from Parkinson disease?

• A) Without dopamine, the excitatory effects of acetylcholine are not restrained, thus postural muscles are overstimulated.
• B) Without dopamine, the excitatory effects of acetylcholine are inhibited, thus relaxing postural muscles.
• C) Without dopamine, the inhibitory effects of acetylcholine are not restrained, thus postural muscles are overstimulated.
• D) Without dopamine, the inhibitory effects of acetylcholine are restrained, thus relaxing postural muscles.

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Definitions:

Planum Temporale

A region in the brain's temporal lobe involved in processing language and music, often showing asymmetry between the left and right hemispheres.

Wernicke's Area

An area within the temporal lobe of the brain that is essential for understanding language.

Arcuate Fasciculus

Arcuate Fasciculus is a bundle of axons that forms part of the language network in the brain, connecting the Wernicke's area and Broca's area.