ABOS Part I Comprehensive Review - Batch 82

Question 1

A 32-year-old carpenter sustains a deep laceration to his dominant right hand, resulting in a full-thickness skin defect over the palmar aspect of his index finger, exposing the flexor digitorum profundus tendon. Intraoperatively, after meticulous de

Accepted Answer

C. Application of a local or regional vascularized flap followed by potential secondary skin grafting.

Question 2

A 48-year-old patient presents with a clean, well-vascularized full-thickness skin defect over the dorsal aspect of the metacarpophalangeal (MCP) joint of the middle finger, following excision of a benign lesion. The underlying extensor tendon's para

Accepted Answer

C. A full-thickness skin graft from the groin crease, meticulously defatted.

Question 3

A 60-year-old diabetic patient undergoes skin grafting for a dorsal hand wound with exposed extensor tendons (intact paratenon). On post-operative day 3, the patient complains of increasing pain, and examination reveals a dark, tense, non-blanching d

Accepted Answer

C. Hematoma or seroma formation beneath the graft.

Question 4

A 28-year-old patient requires coverage for a large, irregularly shaped full-thickness skin defect on the dorsal aspect of the hand, extending across multiple digits. The underlying extensor tendons have viable paratenon. The surgeon decides to use a

Accepted Answer

B. Meshing prevents the formation of seroma or hematoma by allowing fluid drainage.

Question 5

A 55-year-old patient undergoes successful full-thickness skin grafting to the dorsal aspect of the wrist. On post-operative day 6, during the first dressing change, the graft appears uniformly pink, adherent, and blanches with gentle pressure. The u

Accepted Answer

C. Reapply a non-adherent dressing and a new splint, then begin controlled, gentle active range of motion for non-grafted joints and adjacent joints, as tolerated.

Question 6

During the harvest of a full-thickness skin graft (FTSG) from the groin crease for a hand defect, the surgeon meticulously excises the graft. After harvest, the graft is placed dermal side up on a sterile surface. Which of the following steps is CRIT

Accepted Answer

C. Meticulously trimming away all subcutaneous fat from the undersurface of the dermis.

Question 7

A 70-year-old patient with a history of chronic steroid use presents with a large, chronic ulcer on the dorsal aspect of the hand, exposing the extensor tendons with viable paratenon. The wound bed is marginal due to poor tissue quality. The surgeon

Accepted Answer

C. Thinner STSGs require less oxygen and nutrients for survival, facilitating quicker revascularization and higher take rates.

Question 8

A 40-year-old patient requires a full-thickness skin graft (FTSG) for a small, clean defect on the dorsal aspect of the index finger. The surgeon is planning the donor site. Which of the following donor sites is generally preferred for FTSGs in the h

Accepted Answer

C. Groin crease.

Question 9

A 25-year-old patient sustains a degloving injury to the dorsal hand, resulting in a large full-thickness skin defect. The underlying extensor tendons are exposed but retain viable paratenon. The surgeon plans for an intermediate split-thickness skin

Accepted Answer

C. Passive absorption of tissue fluid and nutrients from the recipient bed (Imbibition).

Question 10

A 50-year-old patient undergoes skin grafting for a complex hand wound, as depicted in the image below, showing the meticulous application of a skin graft to a hand wound, illustrating careful placement and secure suturing to ensure optimal contact w

Accepted Answer

C. A bolster dressing (tie-over or stent) providing continuous, gentle pressure and immobilization.

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Key Takeaway