CANS Facial Anatomy & Physiology

Question 1

Which artery is most at risk during filler injections in the nasolabial fold?

Accepted Answer

Facial artery

Answer

Temporal artery

Answer

Occipital artery

Answer

Maxillary artery

Question 2

Which muscle is primarily responsible for frown lines between the eyebrows?

Accepted Answer

Corrugator supercilii

Answer

Orbicularis oculi

Answer

Frontalis

Answer

Zygomaticus major

Question 3

What is the function of the orbicularis oris muscle?

Accepted Answer

Closes and puckers the lips

Answer

Raises the eyebrows

Answer

Controls nostril flaring

Answer

Elevates the upper eyelid

Question 4

Which layer of the skin contains blood vessels and nerves?

Accepted Answer

Dermis

Answer

Epidermis

Answer

Stratum corneum

Answer

Subcutaneous fat

Question 5

Which facial muscle is commonly targeted to treat crow’s feet with botulinum toxin?

Accepted Answer

Orbicularis oculi

Answer

Masseter

Answer

Mentalis

Answer

Buccinator

Question 6

What is the main function of subcutaneous fat in the face?

Accepted Answer

Provides structural support and contour

Answer

Produces melanin

Answer

Stores collagen

Answer

Regulates skin hydration