St.John's wort has been shown to:
A) increase blood levels of several drugs.
B) decrease blood levels of several drugs.
C) increase or decrease blood levels of several drugs.
D) not affect blood levels of any drugs tested to date.
Correct Answer:
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Q1: Overall,the effects of kava most resemble:
A)antidepressants.
B)alcohol.
C)barbiturates.
D)sedatives.
Q2: The active ingredients in ginkgo extracts appear
Q4: The metabolism of St.John's wort occurs:
A)in the
Q5: The active ingredient in Ma-huang and Metabolife
Q6: Kava,at high doses,produces:
A)euphoria.
B)insomnia.
C)depression.
D)sleep.
Q7: Kava,at low to moderate doses,is useful for
Q8: Ma-huang is best described as a(n):
A)depressant.
B)anxiolytic.
C)psychostimulant.
D)sedative.
Q9: Elimination of ginkgo occurs through:
A)the liver.
B)the kidneys.
C)the
Q10: The EEG alterations induced by kava resemble
Q11: Several studies on St.John's wort suggest it
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