CANS Exam ACTUAL EXAM 2026/2027 | Version 1 | 150
Verified Q&A | Aesthetic Nurse Prep | Pass Guaranteed - A+
Graded
Section 1: Facial Anatomy and Physiology (25 Questions)
Q1: A 45-year-old client presents for upper face neuromodulator treatment. During
consultation, the nurse identifies the corrugator supercilii muscle as the primary target
for glabellar rhytids. Which anatomical description correctly identifies the origin and
insertion of this muscle?
A. Originates from the medial orbital rim and inserts into the skin of the eyebrow
B. Originates from the nasal bone and medial frontal bone and inserts into the skin of
the medial eyebrow [CORRECT]
C. Originates from the temporal fascia and inserts into the lateral eyebrow skin
D. Originates from the galea aponeurotica and inserts into the supraorbital dermis
Correct Answer: B
Rationale: The corrugator supercilii originates from the nasal bone and medial aspect of
the frontal bone near the superomedial orbital rim. It inserts into the skin of the medial
eyebrow, creating vertical glabellar lines through its action of drawing the eyebrow
medially and downward. Option A describes the orbicularis oculi (depressor supercilii
portion). Option C describes the temporalis fascia insertion of the lateral orbicularis
oculi. Option D describes frontalis muscle anatomy. Understanding precise corrugator
,anatomy is critical for safe glabellar injection, as the supratrochlear and supraorbital
vessels lie deep to this muscle at the medial canthus region—one of the facial danger
zones.
Q2: A client receiving hyaluronic acid filler to the nasolabial fold develops sudden pain,
skin blanching, and a reticulated pattern over the cheek immediately following injection.
The nurse recognizes this as vascular occlusion. Which artery is most likely involved
based on the anatomical location?
A. Facial artery
B. Angular artery [CORRECT]
C. Superior labial artery
D. Transverse facial artery
Correct Answer: B
Rationale: The angular artery, terminal branch of the facial artery, courses along the side
of the nose toward the medial canthus. It lies superficially in the nasolabial fold region,
particularly in the upper third, making it vulnerable during filler injection. The described
presentation—sudden pain, blanching, and reticulated pattern (livedo reticularis)—is
pathognomonic for arterial occlusion. The angular artery supplies the nasal ala, medial
cheek, and canthal region; occlusion risks alar necrosis and potential retrograde
embolization to the ophthalmic circulation. Option A (facial artery) is more lateral and
inferior. Option C (superior labial) supplies the upper lip. Option D (transverse facial)
runs horizontally across the cheek, lateral to this presentation.
Q3: Which anatomical structure defines the "danger zone" at the temporal region during
filler injection, and what critical neurovascular structure passes through this area?
,A. The temporal fusion line; frontal branch of the facial nerve
B. The temporal fossa; superficial temporal artery
C. The temporal ligamentous adhesion; temporal branch of the facial nerve [CORRECT]
D. The deep temporal fascia; zygomaticotemporal nerve
Correct Answer: C
Rationale: The temporal ligamentous adhesion (TLA), also known as the temporal
septum or orbicularis-temporal ligament, represents a critical transition zone between
the mobile temporal soft tissue and the fixed periorbital structures. The temporal
branch of the facial nerve (frontal branch) passes approximately 1 cm lateral to the
lateral orbital rim at the level of the eyebrow, coursing within the superficial
musculoaponeurotic system (SMAS) over the zygomatic arch. Injury to this branch
causes brow ptosis and asymmetric frontalis function. The TLA serves as a palpable
landmark; injections should remain superficial (subcutaneous or pre-periosteal on the
bone) or deep (sub-SMAS) but avoid the plane immediately superficial to the deep
temporal fascia where the nerve travels. Option A describes the fusion line (surgical
landmark) but incorrect nerve. Option B describes the fossa and artery but misses the
critical nerve danger. Option D describes the deep fascia and sensory nerve.
Q4: A 52-year-old client requests treatment for platysmal banding. The nurse plans
neuromodulator injection to the platysma. Which anatomical description accurately
characterizes this muscle and its relationship to vital structures?
A. The platysma is a muscle of mastication innervated by the mandibular division of the
trigeminal nerve
B. The platysma is a superficial cervical muscle innervated by the cervical branch of the
facial nerve, with the external jugular vein lying deep to its posterior border [CORRECT]
C. The platysma is a deep neck muscle innervated by the spinal accessory nerve,
overlying the carotid sheath
, D. The platysma is a muscle of facial expression innervated by the buccal branch of the
facial nerve, with no major vessels in proximity
Correct Answer: B
Rationale: The platysma is a broad, thin sheet of muscle in the superficial cervical
fascia, extending from the upper chest and shoulder (pectoralis major and deltoid
fascia) to the mandible and perioral skin. It is innervated by the cervical branch of the
facial nerve (CN VII), specifically descending branches from the mandibular ramus
region. The external jugular vein courses deep to the posterior border of the platysma,
crossing the sternocleidomastoid muscle. The anterior jugular veins lie more medially.
During platysmal band injection, the needle should remain superficial to avoid these
vessels. Option A incorrectly identifies it as masticatory and trigeminal-innervated.
Option C incorrectly places it deep with spinal accessory innervation. Option D
incorrectly identifies buccal innervation and misses the vascular anatomy.
Q5: The "Ogee curve" is a fundamental aesthetic concept in facial rejuvenation. Which
anatomical structures create this characteristic S-shaped curve when viewed in profile?
A. The projection of the forehead, nasal dorsum, and chin
B. The convexity of the brow, concavity of the mid-cheek, and convexity of the jawline
[CORRECT]
C. The curvature of the helix, antihelix, and lobule of the ear
D. The arc of the mandible, hyoid bone, and thyroid cartilage
Correct Answer: B
Rationale: The Ogee curve describes the ideal facial contour when viewed from a
three-quarter or lateral perspective. It consists of: (1) a convex curve over the brow and
upper eyelid region (supraorbital convexity), (2) a gentle concavity or depression at the
Verified Q&A | Aesthetic Nurse Prep | Pass Guaranteed - A+
Graded
Section 1: Facial Anatomy and Physiology (25 Questions)
Q1: A 45-year-old client presents for upper face neuromodulator treatment. During
consultation, the nurse identifies the corrugator supercilii muscle as the primary target
for glabellar rhytids. Which anatomical description correctly identifies the origin and
insertion of this muscle?
A. Originates from the medial orbital rim and inserts into the skin of the eyebrow
B. Originates from the nasal bone and medial frontal bone and inserts into the skin of
the medial eyebrow [CORRECT]
C. Originates from the temporal fascia and inserts into the lateral eyebrow skin
D. Originates from the galea aponeurotica and inserts into the supraorbital dermis
Correct Answer: B
Rationale: The corrugator supercilii originates from the nasal bone and medial aspect of
the frontal bone near the superomedial orbital rim. It inserts into the skin of the medial
eyebrow, creating vertical glabellar lines through its action of drawing the eyebrow
medially and downward. Option A describes the orbicularis oculi (depressor supercilii
portion). Option C describes the temporalis fascia insertion of the lateral orbicularis
oculi. Option D describes frontalis muscle anatomy. Understanding precise corrugator
,anatomy is critical for safe glabellar injection, as the supratrochlear and supraorbital
vessels lie deep to this muscle at the medial canthus region—one of the facial danger
zones.
Q2: A client receiving hyaluronic acid filler to the nasolabial fold develops sudden pain,
skin blanching, and a reticulated pattern over the cheek immediately following injection.
The nurse recognizes this as vascular occlusion. Which artery is most likely involved
based on the anatomical location?
A. Facial artery
B. Angular artery [CORRECT]
C. Superior labial artery
D. Transverse facial artery
Correct Answer: B
Rationale: The angular artery, terminal branch of the facial artery, courses along the side
of the nose toward the medial canthus. It lies superficially in the nasolabial fold region,
particularly in the upper third, making it vulnerable during filler injection. The described
presentation—sudden pain, blanching, and reticulated pattern (livedo reticularis)—is
pathognomonic for arterial occlusion. The angular artery supplies the nasal ala, medial
cheek, and canthal region; occlusion risks alar necrosis and potential retrograde
embolization to the ophthalmic circulation. Option A (facial artery) is more lateral and
inferior. Option C (superior labial) supplies the upper lip. Option D (transverse facial)
runs horizontally across the cheek, lateral to this presentation.
Q3: Which anatomical structure defines the "danger zone" at the temporal region during
filler injection, and what critical neurovascular structure passes through this area?
,A. The temporal fusion line; frontal branch of the facial nerve
B. The temporal fossa; superficial temporal artery
C. The temporal ligamentous adhesion; temporal branch of the facial nerve [CORRECT]
D. The deep temporal fascia; zygomaticotemporal nerve
Correct Answer: C
Rationale: The temporal ligamentous adhesion (TLA), also known as the temporal
septum or orbicularis-temporal ligament, represents a critical transition zone between
the mobile temporal soft tissue and the fixed periorbital structures. The temporal
branch of the facial nerve (frontal branch) passes approximately 1 cm lateral to the
lateral orbital rim at the level of the eyebrow, coursing within the superficial
musculoaponeurotic system (SMAS) over the zygomatic arch. Injury to this branch
causes brow ptosis and asymmetric frontalis function. The TLA serves as a palpable
landmark; injections should remain superficial (subcutaneous or pre-periosteal on the
bone) or deep (sub-SMAS) but avoid the plane immediately superficial to the deep
temporal fascia where the nerve travels. Option A describes the fusion line (surgical
landmark) but incorrect nerve. Option B describes the fossa and artery but misses the
critical nerve danger. Option D describes the deep fascia and sensory nerve.
Q4: A 52-year-old client requests treatment for platysmal banding. The nurse plans
neuromodulator injection to the platysma. Which anatomical description accurately
characterizes this muscle and its relationship to vital structures?
A. The platysma is a muscle of mastication innervated by the mandibular division of the
trigeminal nerve
B. The platysma is a superficial cervical muscle innervated by the cervical branch of the
facial nerve, with the external jugular vein lying deep to its posterior border [CORRECT]
C. The platysma is a deep neck muscle innervated by the spinal accessory nerve,
overlying the carotid sheath
, D. The platysma is a muscle of facial expression innervated by the buccal branch of the
facial nerve, with no major vessels in proximity
Correct Answer: B
Rationale: The platysma is a broad, thin sheet of muscle in the superficial cervical
fascia, extending from the upper chest and shoulder (pectoralis major and deltoid
fascia) to the mandible and perioral skin. It is innervated by the cervical branch of the
facial nerve (CN VII), specifically descending branches from the mandibular ramus
region. The external jugular vein courses deep to the posterior border of the platysma,
crossing the sternocleidomastoid muscle. The anterior jugular veins lie more medially.
During platysmal band injection, the needle should remain superficial to avoid these
vessels. Option A incorrectly identifies it as masticatory and trigeminal-innervated.
Option C incorrectly places it deep with spinal accessory innervation. Option D
incorrectly identifies buccal innervation and misses the vascular anatomy.
Q5: The "Ogee curve" is a fundamental aesthetic concept in facial rejuvenation. Which
anatomical structures create this characteristic S-shaped curve when viewed in profile?
A. The projection of the forehead, nasal dorsum, and chin
B. The convexity of the brow, concavity of the mid-cheek, and convexity of the jawline
[CORRECT]
C. The curvature of the helix, antihelix, and lobule of the ear
D. The arc of the mandible, hyoid bone, and thyroid cartilage
Correct Answer: B
Rationale: The Ogee curve describes the ideal facial contour when viewed from a
three-quarter or lateral perspective. It consists of: (1) a convex curve over the brow and
upper eyelid region (supraorbital convexity), (2) a gentle concavity or depression at the
