ABCS Surgical Anatomy for Cosmetic Procedures 3

Question 1

Which fascial layer is incised to access the submuscular plane during transaxillary breast augmentation?

Accepted Answer

Pectoralis fascia (clavipectoral fascia)

Answer

Scarpa's fascia

Answer

Camper's fascia

Answer

Bucks fascia

Question 2

In a brow lift, which nerve must be identified and protected to avoid loss of forehead sensation?

Accepted Answer

Supraorbital and supratrochlear nerves

Answer

Facial nerve temporal branch

Answer

Zygomaticotemporal nerve

Answer

Auriculotemporal nerve

Question 3

The 'danger zone' in neck liposuction where the marginal mandibular nerve is most at risk corresponds to the area:

Accepted Answer

1–2 cm below the mandibular border anteriorly near the angle

Answer

Posterior to the sternocleidomastoid muscle

Answer

Midline submental region only

Answer

At the level of the thyroid cartilage

Question 4

Which blood supply concept explains why periumbilical perforators are critical to preserve during full abdominoplasty?

Accepted Answer

Zone of perfusion from DIEA perforators

Answer

Angiosome theory

Answer

Random pattern flap principle

Answer

Axial pattern flap design

Question 5

During a deep plane facelift, which anatomical structure separates the superficial from the deep compartments and is released to allow composite flap elevation?

Accepted Answer

Deep plane including SMAS and zygomatic retaining ligaments

Answer

Platysma muscle

Answer

SMAS layer

Answer

Masseteric fascia only

Question 6

In otoplasty for prominent ears, the antihelical fold is recreated primarily by modifying which cartilaginous structure?

Accepted Answer

Antihelix

Answer

Concha

Answer

Tragus

Answer

Lobule

Question 7

When performing a medial thighplasty, which neurovascular structure in the femoral triangle must be avoided to prevent significant hemorrhage or numbness?

Accepted Answer

Saphenous nerve and great saphenous vein

Answer

Sciatic nerve and inferior gluteal vessels

Answer

Femoral nerve, artery, and vein

Answer

Lateral femoral cutaneous nerve only