1. Echinacea is a member of the daisy family.
True
False

2. Echinacea is commonly used as an immunostimulant to treat the common cold, sore throat, and flu.
True
False

3. Echinacea is not known to have any serious adverse side effects.
True
False

4. There have been reports of skin rash and insomnia among people who use echinacea.
True
False

5. Echinacea is available in many forms (dried root or leaf, liquid extract, powder, capsules, tablets, creams, gels).
True
False

6. Medical experts do not yet know how echinacea is best administered or exactly how (or if) the plant's complex mixture of polysaccharides, flavonoids, essential oils, and other compounds actually produces beneficial effects.
True
False

Score =
Correct answers:

Source(s): U.S. Environmental Protection Agency, National Toxicology Program Readability: Reading Ease: 39.1 Flesch-Kincaide Grade Level: 11.8