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Home Q & A Board Science-Related Homework Help Psychology
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KaylaMarie2014 KaylaMarie2014
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6 years ago
L-dopa's efficacy in the treatment of Parkinson's disease decreases after a few years of treatment because
 
  a. as the patient gets older plasma concentrations may increase too fast and produce motor disturbances and adverse psychic effects
  b. as the patient gets older plasma concentrations may fall too quickly, allowing the disease symptoms to suddenly appear
  c. of continued progression of the underlying cause of the disease
  d. all of the above
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dc0063dc0063
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6 years ago
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KaylaMarie2014 Author
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6 years ago
You make an excellent tutor!
Chaldoren
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Yesterday
Thanks for your help!!
Alina01978
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2 hours ago
Helped a lot
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