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
d
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Researchers have found that the neurological organization of male and female brains is somewhat different
Indicate whether the statement is true or false.
Depending on the drug, what percentage of multiple births results from using fertility drugs?
a. 1–2% b. 10–25% c. 40–55% d. 60–75%
Young children who become anxious, fearful, and angry after their parents divorce sometimes
A) require coercive discipline. B) show early signs of emotional instability. C) feel that both parents may abandon them. D) need to live with the father rather than the mother.
Most children live with their mothers after a divorce.
Answer the following statement true (T) or false (F)