1. Which of the following cosmetic injectables binds water to create volume, has a low allergic reaction profile, and lasts approximately 6 months?
a. bovine-derived collagen
b. calcium hydroxylapatite
c. human-derived collagen
d. hyaluronic acid
e. polymethyl methacrylate
2. Which cosmetic injectable demonstrates radiopacity?
a. bovine-derived collagen
b. calcium hydroxylapatite
c. human-derived collagen
d. poly-L-lactic acid
e. polymethyl methacrylate
3. Which cosmetic injectable is contraindicated in the glabellar region due to increased risk for tissue necrosis?
a. bovine-derived collagen
b. human-derived collagen
c. poly-L-lactic acid
d. a and b
e. a, b, and c
4. Which of the following cosmetic injectables is the least likely to illicit a localized inflammatory response?
a. calcium hydroxylapatite
b. human-derived collagen
c. hyaluronic acid
d. poly-L-lactic acid
e. silicone
5. Which of the following cosmetic injectables is approved by the US Food and Drug Administration for the treatment of human immunodeficiency virus–associated lipoatrophy?
a. bovine-derived collagen
b. human-derived collagen
c. hyaluronic acid
d. poly-L-lactic acid
e. polymethyl methacrylate