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Course # 90200 • Botulinum Toxin and Dermal Fillers for Facial Aging

Discuss the mechanism of action and clinical use of botulinum toxin for the treatment of facial aging.

7. Which of the following is TRUE regarding onabotulinumtoxinA?
A) It was first marketed in Europe.
B) It is the original, most-studied formulation.
C) It is the only approved serotype-B formulation.
D) It is newer and less-studied, and FDA approval is pending.