Two students are discussing the long-term effects of echinacea. Which of the following statements by one of the students would be correct?
a. "Long-term use stimulates immune function."
b. "Long-term use suppresses immune function."
c. "Long-term use prolongs bleeding time."
d. "Prolonged use leads to increased platelet function."
ANS: B
Long-term use of echinacea can suppress immune function, therefore the herbal should not be taken by immunocompromised patients.
Short-term, not long-term, use of echinacea stimulates immune function.
Long-term use does not prolong bleeding time or increase platelet function.
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