CANS Cosmetic Injectables & Techniques

Question 1

What is the primary action of botulinum toxin when injected into facial muscles?

Accepted Answer

Relaxes muscle activity

Answer

Botulinum toxin works by temporarily blocking the release of acetylcholine, which inhibits muscle contraction.

Question 2

Which filler type is most commonly used for volume restoration in cheeks?

Accepted Answer

Hyaluronic acid

Answer

Hyaluronic acid-based fillers are widely used due to their safety profile and reversibility.

Question 3

What is the best technique to minimize bruising during injectable treatments?

Accepted Answer

Use slow, gentle injection with a fine needle

Answer

Using a slow injection technique with a small-gauge needle reduces trauma to blood vessels and minimizes bruising.

Question 4

Which area is considered high-risk for vascular occlusion when injecting fillers?

Accepted Answer

Glabella

Answer

The glabella region has complex vasculature and limited collateral circulation, increasing the risk for vascular occlusion.

Question 5

Which product is used to reverse the effects of hyaluronic acid fillers?

Accepted Answer

Hyaluronidase

Answer

Hyaluronidase is an enzyme that breaks down hyaluronic acid, allowing correction of overfilling or complications.

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