ABPS Surgical Anatomy & Reconstructive Techniques 4

Question 1

The blood supply to a pedicled transverse rectus abdominis myocutaneous (TRAM) flap is based on which vessels?

Accepted Answer

Superior epigastric vessels

Answer

Deep inferior epigastric vessels

Answer

Superficial inferior epigastric vessels

Answer

Internal mammary perforators

Question 2

Which anatomical structure passes through the carpal tunnel along with the nine flexor tendons?

Accepted Answer

Median nerve

Answer

Ulnar nerve

Answer

Radial nerve

Answer

Palmar cutaneous branch of the median nerve

Question 3

A Z-plasty with limbs at 60-degree angles theoretically increases the length of the central limb by approximately:

Accepted Answer

75%

Answer

25%

Answer

50%

Answer

100%

Question 4

During parotidectomy, the facial nerve is most reliably identified at which landmark?

Accepted Answer

Tragal pointer (tragal cartilage pointer)

Answer

Posterior belly of the digastric muscle

Answer

Tympanomastoid suture line

Answer

Stylomastoid foramen directly

Question 5

In hand surgery, the Camper chiasm refers to the anatomical arrangement of which tendons at the level of the proximal phalanx?

Accepted Answer

Flexor digitorum superficialis splitting to allow passage of flexor digitorum profundus

Answer

Extensor digitorum splitting around the lateral bands

Answer

Lumbrical tendons joining the extensor expansion

Answer

Interosseous tendons merging at the base of the proximal phalanx

Question 6

The superior gluteal artery perforator (SGAP) flap is particularly advantageous over the DIEP flap in which patient population?

Accepted Answer

Thin patients with insufficient abdominal tissue

Answer

Obese patients with large pannus

Answer

Patients with prior C-section scars

Answer

Smokers requiring delayed reconstruction

Question 7

What is the primary advantage of a keystone island perforator flap over a standard random-pattern advancement flap?

Accepted Answer

Named perforators provide reliable axial blood supply allowing larger flap dimensions

Answer

It requires no skin incisions

Answer

It can be used without subcutaneous tissue

Answer

It does not require a donor site closure